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James N. Ziemer
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Hercules, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Process for the production of para-xylene
Patent number
9,115,041
Issue date
Aug 25, 2015
Chevron U.S.A. Inc.
Cong-Yan Chen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Multi-stage reforming process to produce high octane gasoline
Patent number
8,882,992
Issue date
Nov 11, 2014
Chevron U.S.A. Inc.
Cong-Yan Chen
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method for preparing molecular sieves
Patent number
8,734,758
Issue date
May 27, 2014
Chevron U.S.A. Inc.
James N. Ziemer
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Multi-stage reforming process to produce high octane gasoline
Patent number
8,658,021
Issue date
Feb 25, 2014
Chevron U.S.A. Inc.
Cong-Yan Chen
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method for preparing small crystal SSZ-32
Patent number
8,545,805
Issue date
Oct 1, 2013
Chevron U.S.A. Inc.
Stacey I. Zones
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Electrochemical removal of conjunct polymers from chloroaluminate i...
Patent number
8,524,623
Issue date
Sep 3, 2013
Chevron U.S.A. Inc.
Hye-Kyung Timken
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of para-xylene
Patent number
8,471,083
Issue date
Jun 25, 2013
Chevron U.S.A. Inc.
Cong-Yan Chen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process and catalyst system for improving dewaxing catalyst stabili...
Patent number
8,431,014
Issue date
Apr 30, 2013
Chevron U.S.A. Inc.
Kamala R. Krishna
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Polyalphaolefin and fischer-tropsch derived lubricant base oil lubr...
Patent number
7,476,645
Issue date
Jan 13, 2009
Chevron U.S.A. Inc.
John M. Rosenbaum
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Finished lubricating comprising lubricating base oil with high mono...
Patent number
7,195,706
Issue date
Mar 27, 2007
Chevron U.S.A. Inc.
Susan M. Abernathy
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method of operating a wormgear drive at high energy efficiency
Patent number
7,045,055
Issue date
May 16, 2006
Chevron U.S.A. Inc.
James N. Ziemer
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Base stock lube oil manufacturing process
Patent number
6,264,826
Issue date
Jul 24, 2001
Chevron U.S.A. Inc.
Jirong Xiao
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Hydroconversion sulfur-containing lube feedstock using a sulfur res...
Patent number
6,136,181
Issue date
Oct 24, 2000
Chevron U.S.A. Inc.
James N. Ziemer
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Sulfur resistant hydroconversion catalyst and hydroprocess of sulfu...
Patent number
6,030,921
Issue date
Feb 29, 2000
Chevron U.S.A. Inc.
James N. Ziemer
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Isomerization process using zeolite SSZ-25
Patent number
6,005,154
Issue date
Dec 21, 1999
Chevron U.S.A. Inc.
Stacey I. Zones
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Base stock lube oil manufacturing process
Patent number
5,993,644
Issue date
Nov 30, 1999
Chevron U.S.A. Inc.
Jirong Xiao
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Low-Aluminum boron beta zeolite
Patent number
5,693,215
Issue date
Dec 2, 1997
Chevron U.S.A. Inc.
Stacey I. Zones
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Alkylation process using zeolite SSZ-25
Patent number
5,691,463
Issue date
Nov 25, 1997
Chevron U.S.A. Inc.
Stacey I. Zones
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Low-aluminum boron beta zeolite
Patent number
5,603,821
Issue date
Feb 18, 1997
Chevron Research Company
Lawrence W. Jossens
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Dewaxing process using zeolite SSZ-25
Patent number
5,591,322
Issue date
Jan 7, 1997
Chevron U.S.A. Inc.
Stacey I. Zones
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing a high quality lubricating oil using a VI sel...
Patent number
5,543,035
Issue date
Aug 6, 1996
Chevron U.S.A. Inc.
James N. Ziemer
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Hydrocarbon conversion process using zeolite SSZ-25
Patent number
5,421,992
Issue date
Jun 6, 1995
Chevron U.S.A. Inc.
Stacey I. Zones
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Hydrocarbon conversion process using zeolite SSZ-32 having constrai...
Patent number
5,397,454
Issue date
Mar 14, 1995
Chevron U.S.A. Inc.
Stacey I. Zones
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the stabilization of lubricating oil base stocks
Patent number
5,393,408
Issue date
Feb 28, 1995
Chevron Research and Technology Company
James N. Ziemer
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Hydrocarbon conversion process using zeolite SSZ-32 as catalyst
Patent number
5,300,210
Issue date
Apr 5, 1994
Chevron Research and Technology Company
Stacey I. Zones
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Zeolite SSZ-25
Patent number
5,202,014
Issue date
Apr 13, 1993
Chevron Research and Technology Company
Stacey I. Zones
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Zeolite SSZ-26
Patent number
5,007,997
Issue date
Apr 16, 1991
Chevron Research Company
Stacy I. Zones
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Zeolite SSZ-26
Patent number
4,910,006
Issue date
Mar 20, 1990
Chevron Research Company
Stacey I. Zones
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for hydrodehazing hydrocracked lube oil base stocks
Patent number
4,867,862
Issue date
Sep 19, 1989
Chevron Research Company
James N. Ziemer
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for hydrodewaxing hydrocracked lube oil base stocks
Patent number
4,822,476
Issue date
Apr 18, 1989
Chevron Research Company
James N. Ziemer
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Patents Applications
last 30 patents
Information
Patent Application
PROCESS FOR THE PRODUCTION OF PARA-XYLENE
Publication number
20140114106
Publication date
Apr 24, 2014
Chevron U.S.A. Inc.
Cong-Yan Chen
C07 - ORGANIC CHEMISTRY
Information
Patent Application
MULTI-STAGE REFORMING PROCESS TO PRODUCE HIGH OCTANE GASOLINE
Publication number
20140076778
Publication date
Mar 20, 2014
Chevron U.S.A. Inc.
Cong-Yan Chen
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
PROCESS FOR THE PRODUCTION OF PARA-XYLENE
Publication number
20140046106
Publication date
Feb 13, 2014
Chevron U.S.A. Inc.
Cong-Yan Chen
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR THE PRODUCTION OF PARA-XYLENE
Publication number
20130131413
Publication date
May 23, 2013
Cong-Yan Chen
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR PREPARING MOLECULAR SIEVES
Publication number
20120114552
Publication date
May 10, 2012
Chevron U.S.A. Inc.
James N. Ziemer
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR PREPARING SMALL CRYSTAL SSZ-32
Publication number
20120114553
Publication date
May 10, 2012
Chevron U.S.A. Inc.
Stacey I. Zones
C01 - INORGANIC CHEMISTRY
Information
Patent Application
MULTI-STAGE REFORMING PROCESS TO PRODUCE HIGH OCTANE GASOLINE
Publication number
20120024753
Publication date
Feb 2, 2012
Chevron U.S.A. Inc.
Cong-Yan Chen
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
Multi-Stage Hydroprocessing for the Production of High Octane Naphtha
Publication number
20120024752
Publication date
Feb 2, 2012
Chevron U.S.A. Inc.
Cong-Yan Chen
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
MULTI-STAGE REFORMING PROCESS WITH FINAL STAGE CATALYST REGENERATION
Publication number
20120024754
Publication date
Feb 2, 2012
Chevron U.S.A. Inc.
Cong-Yan Chen
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
PROCESS FOR THE PRODUCTION OF PARA-XYLENE
Publication number
20120029257
Publication date
Feb 2, 2012
Chevron U.S.A. Inc.
Cong-Yan Chen
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Novel process and catalyst system for improving dewaxing catalyst s...
Publication number
20110079540
Publication date
Apr 7, 2011
Chevron U.S.A. Inc.
Kamala R. Krishna
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
ELECTROCHEMICAL REMOVAL OF CONJUNCT POLYMERS FROM CHLOROALUMINATE I...
Publication number
20100130804
Publication date
May 27, 2010
Chevron U.S.A., Inc.
Hye-Kyung C. Timken
C07 - ORGANIC CHEMISTRY
Information
Patent Application
MULTI-STAGE REFORMING PROCESS TO PRODUCE HIGH OCTANE GASOLINE
Publication number
20090301934
Publication date
Dec 10, 2009
Chevron U.S.A. Inc.
Stephen Joseph Miller
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
CATALYTIC REFORMING PROCESS TO PRODUCE HIGH OCTANE GASOLINE
Publication number
20090301933
Publication date
Dec 10, 2009
Chevron U.S.A. Inc.
Stephen Joseph Miller
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
TRACTION COEFFICIENT REDUCING LUBRICATING OIL COMPOSITION
Publication number
20080128322
Publication date
Jun 5, 2008
CHEVRON ORONITE COMPANY LLC
WILLEM VAN DAM
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
Polyalphaolefin & fischer-tropsch derived lubricant base oil lubric...
Publication number
20060199743
Publication date
Sep 7, 2006
Chevron U.S.A. Inc.
John M. Rosenbaum
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
Polyalphaolefin & Fischer-Tropsch derived lubricant base oil lubric...
Publication number
20060196807
Publication date
Sep 7, 2006
Chevron U.S.A. Inc.
John M. Rosenbaum
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
Method of operating a wormgear drive at high energy efficiency
Publication number
20050241990
Publication date
Nov 3, 2005
Chevron U.S.A. Inc.
James N. Ziemer
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
Finished lubricating comprising lubricating base oil with high mono...
Publication number
20050133407
Publication date
Jun 23, 2005
Chevron U.S.A. Inc.
Susan M. Abernathy
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...