Karl J. Duyck

Person

Waterbury, CT, US

People

Patents Grantslast 30 patents

Information Patent Grant
Ketone diarylamine condensates
- Patent number 7,816,308
- Issue date Oct 19, 2010
- Crompton Corporation
- Karl J. Duyck
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Antioxidant hydrazides and derivatives thereof having multifunction...
- Patent number 7,375,061
- Issue date May 20, 2008
- Crompton Corporation
- Karl J. Duyck
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Diphenylamine alkylated with olefin mixtures containing fractions w...
- Patent number 7,189,875
- Issue date Mar 13, 2007
- Crompton Corporation
- Karl J. Duyck
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Multifunctional viscosity index improver and dispersant
- Patent number 7,144,951
- Issue date Dec 5, 2006
- Crompton Corporation
- Karl Duyck
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Alkylated iminodibenzyls as antioxidants
- Patent number 6,930,183
- Issue date Aug 16, 2005
- Crompton Corporation
- Karl J. Duyck
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Antioxidant amines based on n-(4aniliophenyl) amides antioxidant am...
- Patent number 6,916,767
- Issue date Jul 12, 2005
- Uniroyal Chemical Company, Inc.
- Karl J. Duyck
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Antioxidant hydrazides and derivatives thereof having multifunction...
- Publication number 20060052260
- Publication date Mar 9, 2006
- CROMPTON CORPORATION
- Karl J. Duyck
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Ketone diarylamine condensates
- Publication number 20050230664
- Publication date Oct 20, 2005
- Karl J. Duyck
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
Diphenylamine alkylated with olefin mixtures containing fractions w...
- Publication number 20040211113
- Publication date Oct 28, 2004
- Karl J. Duyck
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Alkylated iminodibenzyls as antioxidants
- Publication number 20040214813
- Publication date Oct 28, 2004
- CROMPTON CORPORATION
- Karl J. Duyck
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Multifunctional viscosity index improver and dispersant
- Publication number 20040186238
- Publication date Sep 23, 2004
- Karl J Duyck
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Antioxidant amines based on n-(4aniliophenyl) amides Antioxidant am...
- Publication number 20030030033
- Publication date Feb 13, 2003
- Karl J. Duyck
- C07 - ORGANIC CHEMISTRY

Karl J. Duyck

Person

Patents Grantslast 30 patents

Ketone diarylamine condensates

Antioxidant hydrazides and derivatives thereof having multifunction...

Diphenylamine alkylated with olefin mixtures containing fractions w...

Multifunctional viscosity index improver and dispersant

Alkylated iminodibenzyls as antioxidants

Antioxidant amines based on n-(4aniliophenyl) amides antioxidant am...

Patents Applicationslast 30 patents

Antioxidant hydrazides and derivatives thereof having multifunction...

Ketone diarylamine condensates

Diphenylamine alkylated with olefin mixtures containing fractions w...

Alkylated iminodibenzyls as antioxidants

Multifunctional viscosity index improver and dispersant

Antioxidant amines based on n-(4aniliophenyl) amides Antioxidant am...