Razmik Vartan-Boghossian

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Belmont, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Aqueous dispersions of polyurethane
- Patent number 5,169,895
- Issue date Dec 8, 1992
- ICI Americas, Inc.
- Richard G. Coogan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aqueous dispersions of a nonionic, water dispersible polyurethane h...
- Patent number 5,043,381
- Issue date Aug 27, 1991
- ICI Americas, Inc.
- Richard G. Coogan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aqueous dispersion of a nonionic, water-dispersible polyurethane
- Patent number 4,992,507
- Issue date Feb 12, 1991
- ICI Americas, Inc.
- Richard G. Coogan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aqueous dispersions
- Patent number 4,927,876
- Issue date May 22, 1990
- ICI Americas Inc.
- Richard G. Coogan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...