David Lee Sikkenga

Person

Wheaton, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Conversion of polystyrene to benzoic acid
- Patent number 10,259,769
- Issue date Apr 16, 2019
- David Lee Sikkenga
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of 2,5-furan-dicarboxylic acid
- Patent number 9,643,945
- Issue date May 9, 2017
- Furanix Technologies B.V.
- Etienne Mazoyer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Staged countercurrent oxidation
- Patent number 7,485,746
- Issue date Feb 3, 2009
- BP Corporation North America Inc.
- Frank G. Belmonte
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of high purity aromatic carboxylic acids...
- Patent number 7,465,824
- Issue date Dec 16, 2008
- BP Corporation North America Inc.
- Carolyn E. Schmit
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of removing iron oxide deposits from the surface of titanium...
- Patent number 7,005,011
- Issue date Feb 28, 2006
- BP Corporation North America Inc.
- Frank G. Belmonte
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method of removing iron oxide deposits from the surface of titanium...
- Patent number 6,852,879
- Issue date Feb 8, 2005
- BP Corporation North America Inc.
- Frank G. Belmonte
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Production of high purity aromatic carboxylic acid by oxidation in...
- Patent number 6,562,997
- Issue date May 13, 2003
- BP Corporation North America Inc.
- David L. Sikkenga
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing purified carboxylic acids
- Patent number 6,255,525
- Issue date Jul 3, 2001
- BP Amoco Corporation
- David Lee Sikkenga
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing purified aromatic polycarboxylic acids
- Patent number 5,770,764
- Issue date Jun 23, 1998
- Amoco Corporation
- Martin A. Zeitlin
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing purified 2,6-naphthalenedicarboxylic acid
- Patent number 5,728,870
- Issue date Mar 17, 1998
- Amoco Corporation
- Juergen K. Holzhauer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing purified 2,6-naphthalenedicarboxylic acid
- Patent number 5,629,446
- Issue date May 13, 1997
- Amoco Corporation
- Juergen K. Holzhauer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing purified 2,6-naphthalenedicarboxylic acid
- Patent number 5,563,294
- Issue date Oct 8, 1996
- Amoco Corporation
- Juergen K. Holzhauer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for recovery of aromatic acid and dihydric alcohol from was...
- Patent number 5,473,102
- Issue date Dec 5, 1995
- Amoco Corporation
- Floyd Johnson
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of a dimethyltetralin by cyclizing an orthotolylpentene...
- Patent number 5,401,892
- Issue date Mar 28, 1995
- Amoco Corporation
- David L. Sikkenga
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing diesters of naphthalenedicarboxylic acids
- Patent number 5,350,874
- Issue date Sep 27, 1994
- Amoco Corporation
- Paul K. Behrens
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparing aromatic carboxylic acids
- Patent number 5,292,934
- Issue date Mar 8, 1994
- Amoco Corporation
- David L. Sikkenga
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of a dimethyltetralin in a distillation reactor
- Patent number 5,284,987
- Issue date Feb 8, 1994
- Amoco Corporation
- David L. Sikkenga
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for purifying a naphthalenedicarboxylic acid
- Patent number 5,256,817
- Issue date Oct 26, 1993
- Amoco Corporation
- David L. Sikkenga
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of a dimethylnaphthalene
- Patent number 5,118,892
- Issue date Jun 2, 1992
- Amoco Corporation
- David L. Sikkenga
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of a dimethyltetralin
- Patent number 5,073,670
- Issue date Dec 17, 1991
- Amoco Corporation
- David L. Sikkenga
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalytic alkenylbenzene cyclization
- Patent number 5,034,561
- Issue date Jul 23, 1991
- Amoco Corporation
- David L. Sikkenga
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of a dimethyltetralin
- Patent number 5,030,781
- Issue date Jul 9, 1991
- Amoco Corporation
- David L. Sikkenga
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of a dimethylnaphthalene
- Patent number 5,012,024
- Issue date Apr 30, 1991
- Amoco Corporation
- David L. Sikkenga
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Palladium catalyst reactivation
- Patent number 4,999,326
- Issue date Mar 12, 1991
- Amoco Corporation
- David L. Sikkenga
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Monoalkenylation of alkylbenzenes in a fixed catalyst bed
- Patent number 4,990,717
- Issue date Feb 5, 1991
- Amoco Corporation
- David L. Sikkenga
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of a dimethylnaphthalene
- Patent number 4,962,260
- Issue date Oct 9, 1990
- Amoco Corporation
- David Sikkenga
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of a dimethyltetralin
- Patent number 4,950,825
- Issue date Aug 21, 1990
- Amoco Corporation
- David L. Sikkenga
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Selective synthesis of pseudocumene and durene
- Patent number 4,891,467
- Issue date Jan 2, 1990
- Amoco Corporation
- David L. Sikkenga
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalyzed olefin equlibration and separation of the equilibrated pr...
- Patent number 4,777,310
- Issue date Oct 11, 1988
- Amoco Corporation
- David L. Sikkenga
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for converting C.sub.5 olefins to aromatic hydrocarbons and...
- Patent number 4,777,311
- Issue date Oct 11, 1988
- Amoco Corporation
- David L. Sikkenga
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
CONVERSION OF POLYSTYRENE TO BENZOIC ACID
- Publication number 20200140367
- Publication date May 7, 2020
- David Lee Sikkenga
- C07 - ORGANIC CHEMISTRY
Information Patent Application
CONVERSION OF POLYSTYRENE TO BENZOIC ACID
- Publication number 20190016659
- Publication date Jan 17, 2019
- David Lee Sikkenga
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR THE PREPARATION OF 2,5-FURAN-DICARBOXYLIC ACID
- Publication number 20160024039
- Publication date Jan 28, 2016
- FURANIX TECHNOLOGIES B.V.
- Etienne Mazoyer
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PRODUCTION OF RENEWABLE AROMATIC COMPOUNDS
- Publication number 20130130345
- Publication date May 23, 2013
- JNF BIOCHEMICALS, LLC
- Wendy Thai
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
Ethanolysis of PET to Form DET and Oxidation Thereof
- Publication number 20090171113
- Publication date Jul 2, 2009
- BP Corporation North America Inc.
- Ronald L. Anderson
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for the Production of High Purity Aromatic Carboxylic Acids...
- Publication number 20080194866
- Publication date Aug 14, 2008
- BP Corporation North America Inc.
- Carolyn E. Schmit
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method of removing iron oxide deposits from the surface of titanium...
- Publication number 20050113603
- Publication date May 26, 2005
- Frank G. Belmonte
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Staged countercurrent oxidation
- Publication number 20050107630
- Publication date May 19, 2005
- Frank G. Belmonte
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method of removing iron oxide deposits from the surface of titanium...
- Publication number 20030098042
- Publication date May 29, 2003
- Frank G. Belmonte
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Production of high purity aromatic carboxylic acid by oxidation in...
- Publication number 20010041811
- Publication date Nov 15, 2001
- David L. Sikkenga
- C07 - ORGANIC CHEMISTRY

David Lee Sikkenga

Person

Patents Grantslast 30 patents

Conversion of polystyrene to benzoic acid

Process for the preparation of 2,5-furan-dicarboxylic acid

Staged countercurrent oxidation

Process for the production of high purity aromatic carboxylic acids...

Method of removing iron oxide deposits from the surface of titanium...

Method of removing iron oxide deposits from the surface of titanium...

Production of high purity aromatic carboxylic acid by oxidation in...

Process for preparing purified carboxylic acids

Process for preparing purified aromatic polycarboxylic acids

Process for preparing purified 2,6-naphthalenedicarboxylic acid

Process for preparing purified 2,6-naphthalenedicarboxylic acid

Process for preparing purified 2,6-naphthalenedicarboxylic acid

Process for recovery of aromatic acid and dihydric alcohol from was...

Preparation of a dimethyltetralin by cyclizing an orthotolylpentene...

Process for preparing diesters of naphthalenedicarboxylic acids

Method for preparing aromatic carboxylic acids

Preparation of a dimethyltetralin in a distillation reactor

Method for purifying a naphthalenedicarboxylic acid

Preparation of a dimethylnaphthalene

Preparation of a dimethyltetralin

Catalytic alkenylbenzene cyclization

Preparation of a dimethyltetralin

Preparation of a dimethylnaphthalene

Palladium catalyst reactivation

Monoalkenylation of alkylbenzenes in a fixed catalyst bed

Preparation of a dimethylnaphthalene

Preparation of a dimethyltetralin

Selective synthesis of pseudocumene and durene

Catalyzed olefin equlibration and separation of the equilibrated pr...

Process for converting C.sub.5 olefins to aromatic hydrocarbons and...

Patents Applicationslast 30 patents

CONVERSION OF POLYSTYRENE TO BENZOIC ACID

CONVERSION OF POLYSTYRENE TO BENZOIC ACID

PROCESS FOR THE PREPARATION OF 2,5-FURAN-DICARBOXYLIC ACID

PRODUCTION OF RENEWABLE AROMATIC COMPOUNDS

Ethanolysis of PET to Form DET and Oxidation Thereof

Process for the Production of High Purity Aromatic Carboxylic Acids...

Method of removing iron oxide deposits from the surface of titanium...

Staged countercurrent oxidation

Method of removing iron oxide deposits from the surface of titanium...

Production of high purity aromatic carboxylic acid by oxidation in...