John H. Frey

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Alburtis, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Polyester polyurethane flexible slabstock foam made using reduced e...
- Patent number 5,908,871
- Issue date Jun 1, 1999
- Air Products and Chemicals, Inc.
- John Herbert Frey
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Low emission, cell opening surfactants for polyurethane flexible an...
- Patent number 5,852,065
- Issue date Dec 22, 1998
- Air Products and Chemicals, Inc.
- John Herbert Frey
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyether silicone surfactants for the manufacture of urethane foams
- Patent number 5,492,939
- Issue date Feb 20, 1996
- Dow Corning Corporation
- Michael A. Stanga
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyether silicone surfactants for the manufacture of urethane foams
- Patent number 5,432,206
- Issue date Jul 11, 1995
- Dow Corning Corporation
- Michael A. Stanga
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Production of noncyclic polyalkylene polyamines
- Patent number 5,243,078
- Issue date Sep 7, 1993
- Air Products and Chemicals, Inc.
- Rakesh Agrawal
- C07 - ORGANIC CHEMISTRY