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C08
Organic compounds
C08J
WORKING-UP GENERAL PROCESSES OF COMPOUNDING AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G
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Recovery or working-up of waste materials
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Patents Grants
last 30 patents
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Patent Grant
Method for obtaining superabsorbent polymers via alkaline hydrolysi...
Patent number
12,364,968
Issue date
Jul 22, 2025
INSTITUTO GRANADO DE TECNOLOGIA DA POLIACRILONTIRILA LTDA
Nilton Pereira Alves Granado
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Arrangement for producing hydrocarbons with parallel gasifier and c...
Patent number
12,365,846
Issue date
Jul 22, 2025
Teknologian tutkimuskeskus VTT Oy
Matti Nieminen
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Thermal decomposition apparatus
Patent number
12,331,168
Issue date
Jun 17, 2025
Niimi-Solar Co., Ltd.
Hideyuki Sakumoto
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
Process for the production of particle board or wood fiber board
Patent number
12,325,148
Issue date
Jun 10, 2025
UNILIN, BV
Laurens Allaert
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
Recovering heavy hydrocarbons from plastic materials and geoformation
Patent number
12,312,446
Issue date
May 27, 2025
Mansour S. Bader
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Degradation of plastic materials into terephthalic acid (TPA), ethy...
Patent number
12,312,306
Issue date
May 27, 2025
Ecole Polytechnique Federale de Lausanne (EPFL)
Samantha Lynn Anderson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Cellulosic superabsorbent polymer from post-consumer textile waste
Patent number
12,305,023
Issue date
May 20, 2025
The Hong Kong Research Institute of Textiles and Apparel Limited
Edwin Yee Man Keh
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Continuous hydrolyzation apparatus and continuous hydrolyzation method
Patent number
12,297,329
Issue date
May 13, 2025
Honda Motor Co., Ltd.
Tsuyoshi Baba
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Degradation of polymers using hydrated electrons
Patent number
12,129,345
Issue date
Oct 29, 2024
H2 Plus LLC
Gene Dedick
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Recycling a used absorbent hygiene product or its components using...
Patent number
12,060,462
Issue date
Aug 13, 2024
The Procter & Gamble Company
Dimitris Ioannis Collias
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Plastic waste-derived polymers and resins and methods of making the...
Patent number
12,030,969
Issue date
Jul 9, 2024
Alliance for Sustainable Energy, LLC
Chen Wang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of polyethylenes from waste plastic fee...
Patent number
12,024,683
Issue date
Jul 2, 2024
SABIC GLOBAL TECHNOLOGIES B.V.
Anthoni Van Zijl
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
System and method of elastane removal for repurposing textiles
Patent number
12,018,133
Issue date
Jun 25, 2024
K Joy Nunn
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Methods for recycling cotton and polyester fibers from waste textiles
Patent number
12,006,403
Issue date
Jun 11, 2024
Circ, LLC
Florin G. Barla
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Degradation of polymers, non-polymers, and per- and polyfluoroalkyl...
Patent number
11,993,683
Issue date
May 28, 2024
H2Plus LLC
Gene Dedick
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Polyester-cotton blend textile recycling process and system with ro...
Patent number
11,958,944
Issue date
Apr 16, 2024
Hybridworks Chemical, LLC
James Honshell
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Use of multifunctional CO2 for depolymerization of polyethylene ter...
Patent number
11,920,005
Issue date
Mar 5, 2024
University of Wyoming
Maohong Fan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method and process arrangement for producing hydrocarbons
Patent number
11,905,477
Issue date
Feb 20, 2024
Teknologian tutkimuskeskus VTT Oy
Matti Nieminen
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for the preparation of polyethylenes from waste plastic fee...
Patent number
11,879,102
Issue date
Jan 23, 2024
SABIC GLOBAL TECHNOLOGIES B.V.
Anthoni Van Zijl
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Recycling apparatus for a cross-linked polyethylene resin using twi...
Patent number
11,826,927
Issue date
Nov 28, 2023
Korea Institute of Science and Technology
Soon Man Hong
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Mechanochemical process for producing valuable products free from p...
Patent number
11,807,724
Issue date
Nov 7, 2023
Gregor Luthe
B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information
Patent Grant
Upcycling perfluoropolymers into fluorinated olefins
Patent number
11,795,126
Issue date
Oct 24, 2023
3M Innovative Properties Company
Markus E. Hirschberg
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Plant extract compositions for forming protective coatings
Patent number
11,767,278
Issue date
Sep 26, 2023
aPEEL Technology, Inc.
Ronald C. Bakus
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Recycling of superabsorbent polymer with an extensional flow device
Patent number
11,746,210
Issue date
Sep 5, 2023
The Procter & Gamble Company
Dimitris Ioannis Collias
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Recovery of (meth) acrylic resin by depolymerization and hydrolysis
Patent number
11,739,192
Issue date
Aug 29, 2023
Arkema France
Jean-Luc Dubois
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of polymers from waste plastic feedstocks
Patent number
11,685,867
Issue date
Jun 27, 2023
SABIC GLOBAL TECHNOLOGIES B.V.
Anthoni Van Zijl
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of polypropylenes from waste plastic fe...
Patent number
11,667,854
Issue date
Jun 6, 2023
SABIC GLOBAL TECHNOLOGIES B.V.
Anthoni Van Zijl
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Multistage thermolysis method for safe and efficient conversion of...
Patent number
11,613,704
Issue date
Mar 28, 2023
CHZ Technologies, LLC
Henry W. Brandhorst
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
Process for reclamation of polyester by reactor addition
Patent number
11,518,865
Issue date
Dec 6, 2022
OCTAL SAOC FZC
Tarun Joshi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Recovering heavy hydrocarbons from plastic materials and geoformation
Patent number
11,492,456
Issue date
Nov 8, 2022
Mansour S. Bader
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
WATER REMOVAL IN A PROCESS FOR HYDROLYTICALLY DEPOLYMERIZING A POLY...
Publication number
20250223417
Publication date
Jul 10, 2025
BASF SE
Stefan BLEI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR RECOVERING RAW MATERIALS FROM POLYURETHANE PRODUCTS
Publication number
20250223420
Publication date
Jul 10, 2025
COVESTRO DEUTSCHLAND AG
Dirk Hinzmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
HEAT INTEGRATION IN A PROCESS FOR HYDROLYTICALLY DEPOLYMERIZING A P...
Publication number
20250215180
Publication date
Jul 3, 2025
BASF SE
Stefan BLEI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PROCESS FOR HYDROLYTICALLY DEPOLYMERIZING A POLYAMIDE
Publication number
20250197592
Publication date
Jun 19, 2025
BASF SE
Stefan BLEI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Methods of Purification of Recycled Monomers, and Recycled Monomers...
Publication number
20250188244
Publication date
Jun 12, 2025
Cornell University
Phillip J. Milner
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Purification of polymer solvolysis mixtures
Publication number
20250179261
Publication date
Jun 5, 2025
RAMPF ADVANCED POLYMERS GMBH & CO. KG
Michael KUGLER
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PROCESS FOR THE PRODUCTION OF PARTICLE BOARD OR WOOD FIBER BOARD
Publication number
20250170746
Publication date
May 29, 2025
UNILIN, BV
Laurens ALLAERT
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Application
DEPOLYMERIZATION OF POLYURETHANES WITH ORGANIC AMINE BASES
Publication number
20250171607
Publication date
May 29, 2025
Evonik Operations GmbH
Jens Hildebrand
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PRODUCTION OF RUBBER COMPOSITIONS FROM END OF LIFE TIRES
Publication number
20250163236
Publication date
May 22, 2025
The Goodyear Tire and Rubber Company
Xiaoping Yang
B60 - VEHICLES IN GENERAL
Information
Patent Application
USE OF RECYCLED POLYOL FROM AMINE-BASED HYDROLYSIS PROCESS TO PRODU...
Publication number
20250163205
Publication date
May 22, 2025
Evonik Operations GmbH
Emily Clare Schweissinger
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PRODUCTION OF CELLULOSE FROM COTTON OR COTTON BLENDS
Publication number
20250154719
Publication date
May 15, 2025
EEDEN GERMAN UG
Reiner MANTSCH
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
RENEWABLE POLYMERS FROM POST-CONSUMER PET DEPOLYMERIZED FEEDSTOCK
Publication number
20250154333
Publication date
May 15, 2025
RiKarbon, Inc
Basudeb Saha
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD OF PRODUCING EPSILON-CAPROLACTAM AND METHOD OF PRODUCING POL...
Publication number
20250122352
Publication date
Apr 17, 2025
TORAY INDUSTRIES, INC.
Kohei Yamashita
C07 - ORGANIC CHEMISTRY
Information
Patent Application
LOW ENERGY CONSUMPTION ELECTROCATALYTIC METHOD FOR ELECTROSYNTHESIS...
Publication number
20250092535
Publication date
Mar 20, 2025
Beijing University of Chemical Technology
Jieshan QIU
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
NETWORK POLYMER AND MANUFACTURING METHOD THEREOF
Publication number
20250075052
Publication date
Mar 6, 2025
Korea Institute of Science and Technology
Hae Jung SON
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Flow Through Process for Thermal Depolymerization and Monomer Repur...
Publication number
20250059342
Publication date
Feb 20, 2025
EnhancedGEO Holdings, LLC
Greg Lindberg
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
Continuous Process for Thermal Depolymerization and Monomer Repurpo...
Publication number
20250059341
Publication date
Feb 20, 2025
EnhancedGEO Holdings, LLC
Greg Lindberg
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
DEVICE AND METHOD FOR PRODUCING A POLYESTER DEPOLYMERIZATE, AND DEV...
Publication number
20250043098
Publication date
Feb 6, 2025
Uhde Inventa-Fischer GmbH
Matthias SCHOENNAGEL
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD OF HYDROGEN MANUFACTURE
Publication number
20250042733
Publication date
Feb 6, 2025
Arrowhead Center, Inc.
Huiyao Wang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PROCESS FOR RECOVERY OF RUBBER-MODIFIED VINYL(CO)POLYMER
Publication number
20250034350
Publication date
Jan 30, 2025
COVESTRO DEUTSCHLAND AG
Ivan Sluijs
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PROCESS FOR HYDROLYSIS OF (POLY)CARBONATES
Publication number
20250019514
Publication date
Jan 16, 2025
Matthias Leven
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
DEPOLYMERIZATION SYSTEM AND DEPOLYMERIZATION METHOD
Publication number
20250002671
Publication date
Jan 2, 2025
Honda Motor Co., Ltd.
Tsuyoshi Baba
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
DEPOLYMERIZATION LIQUID GENERATION DEVICE
Publication number
20250002672
Publication date
Jan 2, 2025
Honda Motor Co., Ltd.
Tsuyoshi Baba
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
DEPOLYMERIZATION SYSTEM
Publication number
20250002670
Publication date
Jan 2, 2025
Honda Motor Co., Ltd.
Tsuyoshi Baba
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PRODUCTION OF PU FOAMS USING RECYCLED POLYOLS
Publication number
20240368331
Publication date
Nov 7, 2024
Evonik Operations GmbH
Roland HUBEL
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
RECYCLING A USED ABSORBENT HYGIENE PRODUCT OR ITS COMPONENTS USING...
Publication number
20240368369
Publication date
Nov 7, 2024
The Procter & Gamble Company
Dimitris Ioannis Collias
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
PRODUCTION OF PU FOAMS USING RECYCLED POLYOLS
Publication number
20240368332
Publication date
Nov 7, 2024
Evonik Operations GmbH
Roland HUBEL
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
A METHOD OF CLOSED LOOP RECYCLING OF POLYLACTIC ACID
Publication number
20240368368
Publication date
Nov 7, 2024
Johan Albert Frans Kunst
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD AND PROCESS ARRANGEMENT FOR PRODUCING HYDROCARBONS
Publication number
20240352336
Publication date
Oct 24, 2024
Teknologian Tutkimuskeskus VTT Oy
Matti NIEMINEN
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
METHOD OF COLLECTING FIBROUS FILLING MATERIAL AND e-CAPROLACTAM, AN...
Publication number
20240352217
Publication date
Oct 24, 2024
TORAY INDUSTRIES, INC.
Kohei Yamashita
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL