Clifton L. Kehr

Person

Silver Spring, MD, US

People

Patents Grantslast 30 patents

Information Patent Grant
Protein nonadsorptive membranes for wound dressings
- Patent number 5,462,536
- Issue date Oct 31, 1995
- Hampshire Chemical Corp.
- James A. Braatz
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Hydrophilic polyurethaneurea foams containing no toxic leachable ad...
- Patent number 5,296,518
- Issue date Mar 22, 1994
- Hampshire Chemical Corp.
- Timothy G. Grasel
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Degradable articles and methods of using such articles as degradabl...
- Patent number 5,270,044
- Issue date Dec 14, 1993
- Hampshire Chemical Corp.
- Glenn E. Fulmer
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Degradable articles and methods of using such articles as degradabl...
- Patent number 5,266,323
- Issue date Nov 30, 1993
- Hampshire Chemical Corp.
- James L. Guthrie
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Biocompatible polyurea-urethane hydrated polymers
- Patent number 5,175,229
- Issue date Dec 29, 1992
- W. R. Grace & Co.-Conn.
- James A. Braatz
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Protein non-adsorptive polyurea-urethane polymer coated devices
- Patent number 5,169,720
- Issue date Dec 8, 1992
- W. R. Grace & Co.-Conn.
- James A. Braatz
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Polymer surface modification using aqueous stable diazo solution
- Patent number 5,075,427
- Issue date Dec 24, 1991
- W. R. Grace & Co.-Conn.
- Uan G. Kang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of making a hydrophilic, biocompatible, protein non-adsorpti...
- Patent number 5,039,458
- Issue date Aug 13, 1991
- W. R. Grace & Co.-Conn.
- James A. Braatz
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Contact lenses based on biocompatible polyurethane and polyurea-ure...
- Patent number 4,886,866
- Issue date Dec 12, 1989
- W. R. Grace & Co.-Conn.
- James A. Braatz
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Hindered aliphatic monoisocyanates
- Patent number 4,510,097
- Issue date Apr 9, 1985
- W. R. Grace & Co.
- Clifton L. Kehr
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
High molecular weight aromatic amine scavengers and method of use
- Patent number 4,439,553
- Issue date Mar 27, 1984
- W. R. Grace & Co.
- James L. Guthrie
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation of solid polyurethane particles
- Patent number 4,403,083
- Issue date Sep 6, 1983
- W. R. Grace & Co.
- Nelson S. Marans
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyurethane foams and foam forming compositions containing amine s...
- Patent number 4,211,847
- Issue date Jul 8, 1980
- W. R. Grace & Co.
- Clifton L. Kehr
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Dimensionally stable polyurethane foam
- Patent number 4,201,846
- Issue date May 6, 1980
- W. R. Grace & Co.
- Clifton L. Kehr
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Flame retardant urethane and method
- Patent number 4,165,411
- Issue date Aug 21, 1979
- W. R. Grace & Co.
- Nelson S. Marans
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Urethane polythiols
- Patent number 4,045,472
- Issue date Aug 30, 1977
- W. R. Grace & Co.
- James Leverette Guthrie
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Curable liquid polymer compositions
- Patent number 4,008,341
- Issue date Feb 15, 1977
- W. R. Grace & Co.
- Clifton L. Kehr
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Novel urethane polythiols
- Patent number 3,984,456
- Issue date Oct 5, 1976
- W. R. Grace & Co.
- James Leverette Guthrie
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Novel urethane polythiols
- Patent number 3,981,901
- Issue date Sep 21, 1976
- W. R. Grace & Co.
- James Leverette Guthrie
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Novel urethane polythiols
- Patent number 3,981,904
- Issue date Sep 21, 1976
- W. R. Grace & Co.
- James Leverette Guthrie
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Novel hydrophobic polyurethane foams
- Patent number 3,959,191
- Issue date May 25, 1976
- W. R. Grace & Co.
- Clifton L. Kehr
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyene compounds
- Patent number 3,931,287
- Issue date Jan 6, 1976
- W. R. Grace & Co.
- Clifton L. Kehr
- C07 - ORGANIC CHEMISTRY

Clifton L. Kehr

Person

Patents Grantslast 30 patents

Protein nonadsorptive membranes for wound dressings

Hydrophilic polyurethaneurea foams containing no toxic leachable ad...

Degradable articles and methods of using such articles as degradabl...

Degradable articles and methods of using such articles as degradabl...

Biocompatible polyurea-urethane hydrated polymers

Protein non-adsorptive polyurea-urethane polymer coated devices

Polymer surface modification using aqueous stable diazo solution

Method of making a hydrophilic, biocompatible, protein non-adsorpti...

Contact lenses based on biocompatible polyurethane and polyurea-ure...

Hindered aliphatic monoisocyanates

High molecular weight aromatic amine scavengers and method of use

Preparation of solid polyurethane particles

Polyurethane foams and foam forming compositions containing amine s...

Dimensionally stable polyurethane foam

Flame retardant urethane and method

Urethane polythiols

Curable liquid polymer compositions

Novel urethane polythiols

Novel urethane polythiols

Novel urethane polythiols

Novel hydrophobic polyurethane foams

Polyene compounds