John Tomko

Person

Dobbs Ferry, NY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Process for purification of phosphate esters
- Patent number 7,759,522
- Issue date Jul 20, 2010
- Supresta LLC
- Danielle A. Bright
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Neopentylene 1-phenylvinyl phosphonate
- Patent number 6,630,539
- Issue date Oct 7, 2003
- Akzo Nobel N.V.
- John Tomko
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Synthesis of a hydrocarbylvinylphosphonic acid hydrocarbyl ester
- Patent number 6,429,329
- Issue date Aug 6, 2002
- Akzo Nobel N.V.
- Alan M. Aaronson
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Formation of styrene phosphonic acid
- Patent number 5,783,730
- Issue date Jul 21, 1998
- Akzo Nobel N.V.
- Carl C. Greco
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Formation of 1-phenylvinyl-1-phosphonic acid
- Patent number 5,391,816
- Issue date Feb 21, 1995
- Akzo Nobel N.V.
- John Tomko
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Arylphosphonodiamide compounds and herbicidal compositions thereof
- Patent number 5,186,733
- Issue date Feb 16, 1993
- Imperial Chemical Industries PLC
- Michael D. Broadhurst
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Epoxy resin compositions containing a polyphosphoric/polyphosphonic...
- Patent number 4,952,646
- Issue date Aug 28, 1990
- Akzo America Inc.
- Edward D. Weil
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for manufacture of melamine pyrophosphate
- Patent number 4,950,757
- Issue date Aug 21, 1990
- Akzo America Inc.
- John Tomko
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Thermally stable diphosphonate-type flame retardant additive for pl...
- Patent number 4,910,240
- Issue date Mar 20, 1990
- Akzo America Inc.
- Edward D. Weil
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation of diaryl sulfones
- Patent number 4,822,916
- Issue date Apr 18, 1989
- Akzo America Inc.
- Alan M. Aaronson
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Purification of diaryl alkylphosphonate reaction mixture
- Patent number 4,736,052
- Issue date Apr 5, 1988
- Stauffer Chemical Company
- R. Anthony Nunan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Herbicidal esters of 2-bromo-4-methylimidazole-5-carboxylic acid
- Patent number 4,596,598
- Issue date Jun 24, 1986
- Stauffer Chemical Company
- Andrea Leone-Bay
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Herbicidal esters of 2-bromo-4-methylimidazole-5-carboxylic acid
- Patent number 4,595,400
- Issue date Jun 17, 1986
- Stauffer Chemical Company
- Andrea Leone-Bay
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Process for purification of phosphate esters
- Publication number 20040116728
- Publication date Jun 17, 2004
- Danielle A. Bright
- C07 - ORGANIC CHEMISTRY

Person

Patents Grantslast 30 patents

Process for purification of phosphate esters

Neopentylene 1-phenylvinyl phosphonate

Synthesis of a hydrocarbylvinylphosphonic acid hydrocarbyl ester

Formation of styrene phosphonic acid

Formation of 1-phenylvinyl-1-phosphonic acid

Arylphosphonodiamide compounds and herbicidal compositions thereof

Epoxy resin compositions containing a polyphosphoric/polyphosphonic...

Process for manufacture of melamine pyrophosphate

Thermally stable diphosphonate-type flame retardant additive for pl...

Preparation of diaryl sulfones

Purification of diaryl alkylphosphonate reaction mixture

Herbicidal esters of 2-bromo-4-methylimidazole-5-carboxylic acid

Herbicidal esters of 2-bromo-4-methylimidazole-5-carboxylic acid

Patents Applicationslast 30 patents

Process for purification of phosphate esters