Eric D. SCHWERDTFEGER

Person

Bartlesville, OK, US

People

Patents Grantslast 30 patents

Information Patent Grant
Aqueous methods for titanating a chromium/silica catalyst
- Patent number 12,161,997
- Issue date Dec 10, 2024
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
High porosity fluorided silica-coated alumina activator-supports an...
- Patent number 12,146,018
- Issue date Nov 19, 2024
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Polymer composition and methods of making and using same
- Patent number 12,037,483
- Issue date Jul 16, 2024
- Chevron Phillips Chemical Company LP
- Youlu Yu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Methods for operating ethylene oligomerization reactor systems with...
- Patent number 12,024,479
- Issue date Jul 2, 2024
- Chevron Phillips Chemical Company LP
- Bruce Kreischer
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Methods of preparing a catalyst with low HRVOC emissions
- Patent number 12,005,425
- Issue date Jun 11, 2024
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Modifications of sulfated bentonites and uses thereof in metallocen...
- Patent number 11,999,814
- Issue date Jun 4, 2024
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Particle size control of supported chromium catalysts in loop slurr...
- Patent number 11,999,807
- Issue date Jun 4, 2024
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Methods of preparing a catalyst
- Patent number 11,976,142
- Issue date May 7, 2024
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
High porosity fluorided silica-coated alumina activator-supports an...
- Patent number 11,912,809
- Issue date Feb 27, 2024
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Particle size control of metallocene catalyst systems in loop slurr...
- Patent number 11,814,457
- Issue date Nov 14, 2023
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Particle size control of supported chromium catalysts in loop slurr...
- Patent number 11,814,449
- Issue date Nov 14, 2023
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Methods of preparing a catalyst
- Patent number 11,801,490
- Issue date Oct 31, 2023
- Chevron Phillips Chemical Company LP
- Jeremy M. Praetorius
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Methods for operating ethylene oligomerization reactor systems with...
- Patent number 11,753,356
- Issue date Sep 12, 2023
- Chevron Phillips Chemical Company LP
- Bruce E. Kreischer
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Methods of preparing a catalyst
- Patent number 11,697,697
- Issue date Jul 11, 2023
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymer composition and methods of making and using same
- Patent number 11,674,023
- Issue date Jun 13, 2023
- Chevron Phillips Chemical Company LP
- Youlu Yu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Particle size control of metallocene catalyst systems in loop slurr...
- Patent number 11,634,521
- Issue date Apr 25, 2023
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Methods of preparing a catalyst utilizing hydrated reagents
- Patent number 11,583,840
- Issue date Feb 21, 2023
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Methods of preparing a catalyst utilizing hydrated reagents
- Patent number 11,583,841
- Issue date Feb 21, 2023
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Methods for operating ethylene oligomerization reactor systems with...
- Patent number 11,572,324
- Issue date Feb 7, 2023
- Chevron Phillips Chemical Company, LP
- Bruce E. Kreischer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Methods of preparing a catalyst
- Patent number 11,542,348
- Issue date Jan 3, 2023
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Particle size control of supported chromium catalysts in loop slurr...
- Patent number 11,512,154
- Issue date Nov 29, 2022
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Particle size control of metallocene catalyst systems in loop slurr...
- Patent number 11,492,430
- Issue date Nov 8, 2022
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Methods of preparing a catalyst
- Patent number 11,472,897
- Issue date Oct 18, 2022
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Methods of preparing a catalyst
- Patent number 11,384,179
- Issue date Jul 12, 2022
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Methods of preparing a catalyst with low HRVOC emissions
- Patent number 11,383,222
- Issue date Jul 12, 2022
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Methods of preparing a catalyst utilizing hydrated reagents
- Patent number 11,358,131
- Issue date Jun 14, 2022
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Methods of preparing a catalyst utilizing hydrated reagents
- Patent number 11,358,132
- Issue date Jun 14, 2022
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Light treatment of chromium catalysts and related catalyst preparat...
- Patent number 11,338,278
- Issue date May 24, 2022
- Chevron Phillips Chemical Company LP
- Kathy S. Clear
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Methods of preparing a catalyst
- Patent number 11,331,650
- Issue date May 17, 2022
- Chevron Phillips Chemical Company LP
- Jeremy M. Praetorius
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Particle size control of supported chromium catalysts in loop slurr...
- Patent number 11,325,997
- Issue date May 10, 2022
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
HIGH POROSITY FLUORIDED SILICA-COATED ALUMINA ACTIVATOR-SUPPORTS AN...
- Publication number 20250043037
- Publication date Feb 6, 2025
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Methods of Preparing a Catalyst with Low HRVOC Emissions
- Publication number 20240299910
- Publication date Sep 12, 2024
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
MODIFICATIONS OF SULFATED BENTONITES AND USES THEREOF IN METALLOCEN...
- Publication number 20240279366
- Publication date Aug 22, 2024
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
HIGH POROSITY FLUORIDED SILICA-COATED ALUMINA ACTIVATOR-SUPPORTS AN...
- Publication number 20240150501
- Publication date May 9, 2024
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Aqueous Methods for Titanating A Chromium/Silica Catalyst
- Publication number 20240091744
- Publication date Mar 21, 2024
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Methods of Preparing a Catalyst
- Publication number 20230415127
- Publication date Dec 28, 2023
- Chevron Phillips Chemical Company LP
- Jeremy M. PRAETORIUS
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PARTICLE SIZE CONTROL OF SUPPORTED CHROMIUM CATALYSTS IN LOOP SLURR...
- Publication number 20230416419
- Publication date Dec 28, 2023
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
HIGH POROSITY FLUORIDED SILICA-COATED ALUMINA ACTIVATOR-SUPPORTS AN...
- Publication number 20230391897
- Publication date Dec 7, 2023
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHODS FOR OPERATING ETHYLENE OLIGOMERIZATION REACTOR SYSTEMS WITH...
- Publication number 20230331642
- Publication date Oct 19, 2023
- Chevron Phillips Chemical Company LP
- Bruce Kreischer
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
Polymer Composition and Methods of Making and Using Same
- Publication number 20230227638
- Publication date Jul 20, 2023
- Chevron Phillips Chemical Company LP
- Youlu YU
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
MODIFICATIONS OF SULFATED BENTONITES AND USES THEREOF IN METALLOCEN...
- Publication number 20230192909
- Publication date Jun 22, 2023
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Particle Size Control of Metallocene Catalyst Systems in Loop Slurr...
- Publication number 20230192921
- Publication date Jun 22, 2023
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Methods of Preparing a Catalyst Utilizing Hydrated Reagents
- Publication number 20230173474
- Publication date Jun 8, 2023
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PARTICLE SIZE CONTROL OF SUPPORTED CHROMIUM CATALYSTS IN LOOP SLURR...
- Publication number 20230121415
- Publication date Apr 20, 2023
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHODS FOR OPERATING ETHYLENE OLIGOMERIZATION REACTOR SYSTEMS WITH...
- Publication number 20230081124
- Publication date Mar 16, 2023
- Chevron Phillips Chemical Company LP
- Bruce E. Kreischer
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Particle Size Control of Metallocene Catalyst Systems in Loop Slurr...
- Publication number 20220403075
- Publication date Dec 22, 2022
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHODS OF PREPARING A CATALYST
- Publication number 20220348701
- Publication date Nov 3, 2022
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Methods of Preparing a Catalyst with Low HRVOC Emissions
- Publication number 20220305463
- Publication date Sep 29, 2022
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Methods of Preparing a Catalyst Utilizing Hydrated Reagents
- Publication number 20220280925
- Publication date Sep 8, 2022
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Methods of Preparing a Catalyst Utilizing Hydrated Reagents
- Publication number 20220274095
- Publication date Sep 1, 2022
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PARTICLE SIZE CONTROL OF SUPPORTED CHROMIUM CATALYSTS IN LOOP SLURR...
- Publication number 20220227897
- Publication date Jul 21, 2022
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Methods of Preparing a Catalyst
- Publication number 20220203333
- Publication date Jun 30, 2022
- Chevron Phillips Chemical Company LP
- Jeremy M. PRAETORIUS
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Aqueous Methods for Titanating A Chromium/Silica Catalyst
- Publication number 20220152586
- Publication date May 19, 2022
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Particle Size Control of Metallocene Catalyst Systems in Loop Slurr...
- Publication number 20220153887
- Publication date May 19, 2022
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Methods of Preparing a Catalyst
- Publication number 20220144982
- Publication date May 12, 2022
- Chevron Phillips Chemical Company LP
- Max P. MCDANIEL
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Particle Size Control of Metallocene Catalyst Systems in Loop Slurr...
- Publication number 20220144985
- Publication date May 12, 2022
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Methods of Preparing a Catalyst with Low HRVOC Emissions
- Publication number 20220134311
- Publication date May 5, 2022
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Polymer Composition and Methods of Making and Using Same
- Publication number 20220119627
- Publication date Apr 21, 2022
- Chevron Phillips Chemical Company LP
- Youlu YU
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHODS OF PREPARING A CATALYST
- Publication number 20220089794
- Publication date Mar 24, 2022
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Methods of Preparing a Catalyst
- Publication number 20220056173
- Publication date Feb 24, 2022
- Chevron Phillips Chemical Company LP
- Max P. MCDANIEL
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Eric D. SCHWERDTFEGER

Person

Patents Grantslast 30 patents

Aqueous methods for titanating a chromium/silica catalyst

High porosity fluorided silica-coated alumina activator-supports an...

Polymer composition and methods of making and using same

Methods for operating ethylene oligomerization reactor systems with...

Methods of preparing a catalyst with low HRVOC emissions

Modifications of sulfated bentonites and uses thereof in metallocen...

Particle size control of supported chromium catalysts in loop slurr...

Methods of preparing a catalyst

High porosity fluorided silica-coated alumina activator-supports an...

Particle size control of metallocene catalyst systems in loop slurr...

Particle size control of supported chromium catalysts in loop slurr...

Methods of preparing a catalyst

Methods for operating ethylene oligomerization reactor systems with...

Methods of preparing a catalyst

Polymer composition and methods of making and using same

Particle size control of metallocene catalyst systems in loop slurr...

Methods of preparing a catalyst utilizing hydrated reagents

Methods of preparing a catalyst utilizing hydrated reagents

Methods for operating ethylene oligomerization reactor systems with...

Methods of preparing a catalyst

Particle size control of supported chromium catalysts in loop slurr...

Particle size control of metallocene catalyst systems in loop slurr...

Methods of preparing a catalyst

Methods of preparing a catalyst

Methods of preparing a catalyst with low HRVOC emissions

Methods of preparing a catalyst utilizing hydrated reagents

Methods of preparing a catalyst utilizing hydrated reagents

Light treatment of chromium catalysts and related catalyst preparat...

Methods of preparing a catalyst

Particle size control of supported chromium catalysts in loop slurr...

Patents Applicationslast 30 patents

HIGH POROSITY FLUORIDED SILICA-COATED ALUMINA ACTIVATOR-SUPPORTS AN...

Methods of Preparing a Catalyst with Low HRVOC Emissions

MODIFICATIONS OF SULFATED BENTONITES AND USES THEREOF IN METALLOCEN...

HIGH POROSITY FLUORIDED SILICA-COATED ALUMINA ACTIVATOR-SUPPORTS AN...

Aqueous Methods for Titanating A Chromium/Silica Catalyst

Methods of Preparing a Catalyst

PARTICLE SIZE CONTROL OF SUPPORTED CHROMIUM CATALYSTS IN LOOP SLURR...

HIGH POROSITY FLUORIDED SILICA-COATED ALUMINA ACTIVATOR-SUPPORTS AN...

METHODS FOR OPERATING ETHYLENE OLIGOMERIZATION REACTOR SYSTEMS WITH...

Polymer Composition and Methods of Making and Using Same

MODIFICATIONS OF SULFATED BENTONITES AND USES THEREOF IN METALLOCEN...

Particle Size Control of Metallocene Catalyst Systems in Loop Slurr...

Methods of Preparing a Catalyst Utilizing Hydrated Reagents

PARTICLE SIZE CONTROL OF SUPPORTED CHROMIUM CATALYSTS IN LOOP SLURR...

METHODS FOR OPERATING ETHYLENE OLIGOMERIZATION REACTOR SYSTEMS WITH...

Particle Size Control of Metallocene Catalyst Systems in Loop Slurr...

METHODS OF PREPARING A CATALYST

Methods of Preparing a Catalyst with Low HRVOC Emissions

Methods of Preparing a Catalyst Utilizing Hydrated Reagents

Methods of Preparing a Catalyst Utilizing Hydrated Reagents

PARTICLE SIZE CONTROL OF SUPPORTED CHROMIUM CATALYSTS IN LOOP SLURR...

Methods of Preparing a Catalyst

Aqueous Methods for Titanating A Chromium/Silica Catalyst

Particle Size Control of Metallocene Catalyst Systems in Loop Slurr...

Methods of Preparing a Catalyst

Particle Size Control of Metallocene Catalyst Systems in Loop Slurr...

Methods of Preparing a Catalyst with Low HRVOC Emissions

Polymer Composition and Methods of Making and Using Same

METHODS OF PREPARING A CATALYST

Methods of Preparing a Catalyst