Walter A. Vredenburgh

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Pleasant Hills, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Copolymers of alpha-methylstyrene and styrene and uses thereof
- Patent number 4,113,801
- Issue date Sep 12, 1978
- Hercules Incorporated
- Paul S. Douglas
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Copolymers of alpha-methylstyrene and styrene and uses thereof
- Patent number 4,075,404
- Issue date Feb 21, 1978
- Hercules Incorporated
- Paul S. Douglas
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Copolymers of alpha-methylstyrene and styrene and uses thereof
- Patent number 3,932,332
- Issue date Jan 13, 1976
- Hercules Incorporated
- Paul S. Douglas
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...