Edward W. Kifer

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Trafford, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Polyimide material and method of manufacture
- Patent number 6,114,494
- Issue date Sep 5, 2000
- Ranbar Electrical Materials, Inc.
- Edward W. Kifer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Closed cell phenolic foam containing alkyl glucosides
- Patent number 4,956,394
- Issue date Sep 11, 1990
- Thermal Products International
- Edward W. Kifer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Phenol formaldehyde resoles for making phenolic foam
- Patent number 4,539,338
- Issue date Sep 3, 1985
- Koppers Company, Inc.
- John D. Carlson
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for preparing phenolic foams using anhydrous aryl sulfonic a...
- Patent number 4,478,958
- Issue date Oct 23, 1984
- Kopper Company, Inc.
- John D. Carlson
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Phenolic foam and composition and method for preparing the same
- Patent number 4,444,912
- Issue date Apr 24, 1984
- Koppers Company, Inc.
- John D. Carlson
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...