containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium

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CPC
B01J29/16

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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B01Physical, chemical processing B01JCHEMICAL OR PHYSICAL PROCESSES B01J29/00Catalysts comprising molecular sieves

Current Industry

B01J29/16containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Functional structural body and method for making functional structu...
- Patent number 12,115,523
- Issue date Oct 15, 2024
- National University Corporation Hokkaido University
- Takao Masuda
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Catalysts with modified active phase dispersion and method to prepa...
- Patent number 12,023,656
- Issue date Jul 2, 2024
- Saudi Arabian Oil Company
- Omer Refa Koseoglu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Hydrocracking catalyst for hydrocarbon oil including titania binder...
- Patent number 11,998,898
- Issue date Jun 4, 2024
- Saudi Arabian Oil Company
- Omer Refa Koseoglu
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Catalyst structure and method of upgrading hydrocarbons in the pres...
- Patent number 11,833,492
- Issue date Dec 5, 2023
- KARA TECHNOLOGIES, INC.
- Hua Song
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Catalyst for removal of sulphur oxides from flue gases of power plants
- Patent number 11,801,498
- Issue date Oct 31, 2023
- M Chemical Company, Inc.
- Albert M. Tsybulevski
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Zeolitic catalytic conversion of alcohols to hydrocarbons
- Patent number 11,773,333
- Issue date Oct 3, 2023
- UT-Battelle, LLC
- Chaitanya K. Narula
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Platinum encapsulated zeolite hydrocracking catalyst and methods of...
- Patent number 11,745,170
- Issue date Sep 5, 2023
- Saudi Arabian Oil Company
- Lianhui Ding
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Structured catalyst for methanol reforming, methanol reforming devi...
- Patent number 11,684,909
- Issue date Jun 27, 2023
- Furukawa Electric Co., Ltd.
- Takao Masuda
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Catalysts and process for liquid hydrocarbon fuel production
- Patent number 11,660,587
- Issue date May 30, 2023
- Mississippi State University
- Mark G. White
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Structured catalyst for catalytic cracking or hydrodesulfurization,...
- Patent number 11,654,422
- Issue date May 23, 2023
- Furukawa Electric Co., Ltd.
- Takao Masuda
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process and catalyst for low temperature non-oxidative dehydrogenat...
- Patent number 11,654,420
- Issue date May 23, 2023
- Council of Scientific and Industrial Research
- Bipul Sarkar
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Functional structural body and method for making functional structu...
- Patent number 11,655,157
- Issue date May 23, 2023
- National University Corporation Hokkaido University
- Takao Masuda
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Functional structural body and method for making functional structu...
- Patent number 11,648,542
- Issue date May 16, 2023
- National University Corporation Hokkaido University
- Takao Masuda
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Functional structural body and method for making functional structu...
- Patent number 11,648,538
- Issue date May 16, 2023
- National University Corporation Hokkaido University
- Takao Masuda
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Functional structural body and method for making functional structu...
- Patent number 11,648,543
- Issue date May 16, 2023
- National University Corporation Hokkaido University
- Takao Masuda
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Methods and catalysts for cracking hydrocarbon oil
- Patent number 11,566,185
- Issue date Jan 31, 2023
- Saudi Arabian Oil Company
- Omer Refa Koseoglu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Bimetallic catalysts supported on zeolites for selective conversion...
- Patent number 11,559,795
- Issue date Jan 24, 2023
- SABIC Global Technologies, B.V.
- Prasanna Dasari
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Structured catalyst for oxidation for exhaust gas purification, met...
- Patent number 11,547,987
- Issue date Jan 10, 2023
- Furukawa Electric Co., Ltd.
- Takao Masuda
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method of producing an encapsulated hydroprocessing catalyst
- Patent number 11,529,625
- Issue date Dec 20, 2022
- Saudi Arabian Oil Company
- Omer Refa Koseoglu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Coated hydroprocessing catalyst
- Patent number 11,529,614
- Issue date Dec 20, 2022
- Saudi Arabian Oil Company
- Omer Refa Koseoglu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method and device for the catalytic conversion of a substance mixture
- Patent number 11,512,032
- Issue date Nov 29, 2022
- OMV DOWNSTREAM GMBH
- Paul Schöffl
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Modified USY zeolitic catalyst for isomerization of alkylated aroma...
- Patent number 11,433,379
- Issue date Sep 6, 2022
- Saudi Arabian Oil Company
- Omer Refa Koseoglu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydrocracking catalysts containing rare earth containing post-modif...
- Patent number 11,420,192
- Issue date Aug 23, 2022
- Saudi Arabian Oil Company
- Omer Refa Koseoglu
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Catalyst structure and method of upgrading hydrocarbons in the pres...
- Patent number 11,389,787
- Issue date Jul 19, 2022
- Kara Technologies Inc.
- Hua Song
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Catalyst for removal of sulphur oxides from flue gases of power plants
- Patent number 11,376,572
- Issue date Jul 5, 2022
- M Chemical Company, Inc.
- Albert Tsybulevski
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for preparing hydrocracking catalyst
- Patent number 11,358,135
- Issue date Jun 14, 2022
- SINOCHEM ENERGY CO., LTD.
- Changkun Liu
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Processing of paraffinic naphtha with modified USY zeolite dehydrog...
- Patent number 11,332,678
- Issue date May 17, 2022
- Saudi Arabian Oil Company
- Omer Refa Koseoglu
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Hydrocarbon conversion catalyst
- Patent number 11,318,445
- Issue date May 3, 2022
- SMH Co., Ltd
- Amnart Jantharasuk
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Cracking catalyst comprising platinum encapsulated in microporous s...
- Patent number 11,311,866
- Issue date Apr 26, 2022
- Saudi Arabian Oil Company
- Noor Almana
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Manufacturing hydrocracking catalyst
- Patent number 11,305,264
- Issue date Apr 19, 2022
- Saudi Arabian Oil Company
- Robert Peter Hodgkins
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
METHOD TO PREPARE CATALYSTS WITH MODIFIED ACTIVE PHASE DISPERSION
- Publication number 20240307859
- Publication date Sep 19, 2024
- Saudi Arabian Oil Company
- Omer Refa Koseoglu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR PRODUCING HYDROCRACKING CATALYST FOR HYDROCARBON OIL INC...
- Publication number 20240299915
- Publication date Sep 12, 2024
- Saudi Arabian Oil Company
- Omer Refa KOSEOGLU
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
MULTIFUNCTIONAL CATALYST FOR NAPHTHA CRACKING
- Publication number 20240286977
- Publication date Aug 29, 2024
- Exelus Inc.
- Mitrajit Mukherjee
- C07 - ORGANIC CHEMISTRY
Information Patent Application
A CATALYST FOR THE SELECTIVE CATALYTIC REDUCTION OF NOX AND FOR THE...
- Publication number 20240216864
- Publication date Jul 4, 2024
- BASF Corporation
- Robert Dorner
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
BASE METAL ISOMERIZATION CATALYSTS
- Publication number 20240216898
- Publication date Jul 4, 2024
- ExxonMobil Technology and Engineering Company
- Megan E. Witzke
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
CATALYST STRUCTURE AND METHOD OF UPGRADING HYDROCARBONS IN THE PRES...
- Publication number 20240207828
- Publication date Jun 27, 2024
- Kara Technologies Inc.
- Hua Song
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
TYPE II HYDROTREATING CATALYST FOR HYDROCARBON OIL AND METHOD FOR H...
- Publication number 20240198319
- Publication date Jun 20, 2024
- Saudi Arabian Oil Company
- Omer Refa KOSEOGLU
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
PRODUCTION OF MONOAROMATIC HYDROCARBONS FROM HYDROCARBON FEEDSTOCKS
- Publication number 20240182796
- Publication date Jun 6, 2024
- SABIC Global Technologies B.V.
- Syed Ahmed Ali
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
HYDROCRACKING CATALYST FOR HYDROCARBON OIL INCLUDING TITANIA BINDER...
- Publication number 20240173704
- Publication date May 30, 2024
- Saudi Arabian Oil Company
- Omer Refa KOSEOGLU
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
HIERARCHICALLY ORDERED CRYSTALLINE MICROPOROUS MATERIALS WITH LONG-...
- Publication number 20240009657
- Publication date Jan 11, 2024
- Saudi Arabian Oil Company
- Rajesh Kumar PARSAPUR
- C01 - INORGANIC CHEMISTRY
Information Patent Application
HIERARCHICALLY ORDERED CRYSTALLINE MICROPOROUS MATERIALS WITH LONG-...
- Publication number 20240010505
- Publication date Jan 11, 2024
- Saudi Arabian Oil Company
- Rajesh Kumar PARSAPUR
- C01 - INORGANIC CHEMISTRY
Information Patent Application
TRIMETAL SUPPORTED CATALYST
- Publication number 20230330641
- Publication date Oct 19, 2023
- Bi-Zeng ZHAN
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
METHOD FOR MAKING FUNCTIONAL STRUCTURAL BODY
- Publication number 20230330646
- Publication date Oct 19, 2023
- National University Corporation Hokkaido University
- Takao MASUDA
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PROCESS AND CATALYST SYSTEM FOR CONVERSION OF C6 AROMATICS TO HIGHE...
- Publication number 20230331645
- Publication date Oct 19, 2023
- Indian Oil Corporation Limited
- Nayan DAS
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Catalysts and process for liquid hydrocarbon fuel production
- Publication number 20230271172
- Publication date Aug 31, 2023
- Mississippi State University
- Mark G. White
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
HYDROCRACKING CATALYST FOR HEAVY DISTILLATE
- Publication number 20230226533
- Publication date Jul 20, 2023
- Chevron U.S.A. Inc.
- Jifei JIA
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
FUNCTIONAL STRUCTURAL BODY AND METHOD FOR MAKING FUNCTIONAL STRUCTU...
- Publication number 20230201814
- Publication date Jun 29, 2023
- National University Corporation Hokkaido University
- Takao MASUDA
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
USE OF MTW-ZEOLITE IN SUPPORT FOR HYDROCRACKING CATALYSTS WITH IMPR...
- Publication number 20230191381
- Publication date Jun 22, 2023
- Chevron U.S.A. Inc.
- Bi-Zeng ZHAN
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
A METHOD OF PREPARING A HYDROCRACKING CATALYST
- Publication number 20230191375
- Publication date Jun 22, 2023
- David Allen COOPER
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
CATALYST STRUCTURE AND METHOD OF UPGRADING HYDROCARBONS IN THE PRES...
- Publication number 20230013488
- Publication date Jan 19, 2023
- Kara Technologies Inc.
- Hua Song
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
STRUCTURED CATALYST FOR OXIDATION FOR EXHAUST GAS PURIFICATION, MET...
- Publication number 20230009052
- Publication date Jan 12, 2023
- FURUKAWA ELECTRIC CO., LTD.
- Takao MASUDA
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
CATALYST FOR REMOVAL OF SULPHUR OXIDES FROM FLUE GASES OF POWER PLANTS
- Publication number 20220387979
- Publication date Dec 8, 2022
- M Chemical Company, Inc.
- Albert M. Tsybulevski
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
COATED HYDROPROCESSING CATALYST
- Publication number 20220241760
- Publication date Aug 4, 2022
- Saudi Arabian Oil Company
- Omer Refa Koseoglu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD OF PRODUCING AN ENCAPSULATED HYDROPROCESSING CATALYST
- Publication number 20220241766
- Publication date Aug 4, 2022
- Saudi Arabian Oil Company
- Omer Refa Koseoglu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
CRACKING CATALYST COMPRISING PLATINUM ENCAPSULATED IN MICROPOROUS S...
- Publication number 20220062876
- Publication date Mar 3, 2022
- Saudi Arabian Oil Company
- Noor Almana
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
HYDROCRACKING CATALYSTS CONTAINING RARE EARTH CONTAINING POST-MODIF...
- Publication number 20220032273
- Publication date Feb 3, 2022
- Saudi Arabian Oil Company
- Omer Refa Koseoglu
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
PROCESSING OF PARAFFINIC NAPHTHA WITH MODIFIED USY ZEOLITE DEHYDROG...
- Publication number 20220025276
- Publication date Jan 27, 2022
- Saudi Arabian Oil Company
- Omer Refa Koseoglu
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
PROCESS AND CATALYST FOR LOW TEMPERATURE NON-OXIDATIVE DEHYDROGENAT...
- Publication number 20220001359
- Publication date Jan 6, 2022
- Council of Scientific and Industrial Research
- Bipul Sarkar
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Phosphorus-containing high-silica molecular sieve, its preparation...
- Publication number 20210395100
- Publication date Dec 23, 2021
- China Petroleum and Chemical Corporation
- Yichao MAO
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PLATINUM ENCAPSULATED ZEOLITE HYDROCRACKING CATALYST AND METHODS OF...
- Publication number 20210237042
- Publication date Aug 5, 2021
- Saudi Arabian Oil Company
- Lianhui Ding
- C01 - INORGANIC CHEMISTRY

containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Functional structural body and method for making functional structu...

Catalysts with modified active phase dispersion and method to prepa...

Hydrocracking catalyst for hydrocarbon oil including titania binder...

Catalyst structure and method of upgrading hydrocarbons in the pres...

Catalyst for removal of sulphur oxides from flue gases of power plants

Zeolitic catalytic conversion of alcohols to hydrocarbons

Platinum encapsulated zeolite hydrocracking catalyst and methods of...

Structured catalyst for methanol reforming, methanol reforming devi...

Catalysts and process for liquid hydrocarbon fuel production

Structured catalyst for catalytic cracking or hydrodesulfurization,...

Process and catalyst for low temperature non-oxidative dehydrogenat...

Functional structural body and method for making functional structu...

Functional structural body and method for making functional structu...

Functional structural body and method for making functional structu...

Functional structural body and method for making functional structu...

Methods and catalysts for cracking hydrocarbon oil

Bimetallic catalysts supported on zeolites for selective conversion...

Structured catalyst for oxidation for exhaust gas purification, met...

Method of producing an encapsulated hydroprocessing catalyst

Coated hydroprocessing catalyst

Method and device for the catalytic conversion of a substance mixture

Modified USY zeolitic catalyst for isomerization of alkylated aroma...

Hydrocracking catalysts containing rare earth containing post-modif...

Catalyst structure and method of upgrading hydrocarbons in the pres...

Catalyst for removal of sulphur oxides from flue gases of power plants

Method for preparing hydrocracking catalyst

Processing of paraffinic naphtha with modified USY zeolite dehydrog...

Hydrocarbon conversion catalyst

Cracking catalyst comprising platinum encapsulated in microporous s...

Manufacturing hydrocracking catalyst

Patents Applicationslast 30 patents

METHOD TO PREPARE CATALYSTS WITH MODIFIED ACTIVE PHASE DISPERSION

METHOD FOR PRODUCING HYDROCRACKING CATALYST FOR HYDROCARBON OIL INC...

MULTIFUNCTIONAL CATALYST FOR NAPHTHA CRACKING

A CATALYST FOR THE SELECTIVE CATALYTIC REDUCTION OF NOX AND FOR THE...

BASE METAL ISOMERIZATION CATALYSTS

CATALYST STRUCTURE AND METHOD OF UPGRADING HYDROCARBONS IN THE PRES...

TYPE II HYDROTREATING CATALYST FOR HYDROCARBON OIL AND METHOD FOR H...

PRODUCTION OF MONOAROMATIC HYDROCARBONS FROM HYDROCARBON FEEDSTOCKS

HYDROCRACKING CATALYST FOR HYDROCARBON OIL INCLUDING TITANIA BINDER...

HIERARCHICALLY ORDERED CRYSTALLINE MICROPOROUS MATERIALS WITH LONG-...

HIERARCHICALLY ORDERED CRYSTALLINE MICROPOROUS MATERIALS WITH LONG-...

TRIMETAL SUPPORTED CATALYST

METHOD FOR MAKING FUNCTIONAL STRUCTURAL BODY

PROCESS AND CATALYST SYSTEM FOR CONVERSION OF C6 AROMATICS TO HIGHE...

Catalysts and process for liquid hydrocarbon fuel production

HYDROCRACKING CATALYST FOR HEAVY DISTILLATE

FUNCTIONAL STRUCTURAL BODY AND METHOD FOR MAKING FUNCTIONAL STRUCTU...

USE OF MTW-ZEOLITE IN SUPPORT FOR HYDROCRACKING CATALYSTS WITH IMPR...

A METHOD OF PREPARING A HYDROCRACKING CATALYST

CATALYST STRUCTURE AND METHOD OF UPGRADING HYDROCARBONS IN THE PRES...

STRUCTURED CATALYST FOR OXIDATION FOR EXHAUST GAS PURIFICATION, MET...

CATALYST FOR REMOVAL OF SULPHUR OXIDES FROM FLUE GASES OF POWER PLANTS

COATED HYDROPROCESSING CATALYST

METHOD OF PRODUCING AN ENCAPSULATED HYDROPROCESSING CATALYST

CRACKING CATALYST COMPRISING PLATINUM ENCAPSULATED IN MICROPOROUS S...

HYDROCRACKING CATALYSTS CONTAINING RARE EARTH CONTAINING POST-MODIF...

PROCESSING OF PARAFFINIC NAPHTHA WITH MODIFIED USY ZEOLITE DEHYDROG...

PROCESS AND CATALYST FOR LOW TEMPERATURE NON-OXIDATIVE DEHYDROGENAT...

Phosphorus-containing high-silica molecular sieve, its preparation...

PLATINUM ENCAPSULATED ZEOLITE HYDROCRACKING CATALYST AND METHODS OF...