Herman P. Doerge

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Oakmont, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Polyether polyols and their method of preparation
- Patent number 4,430,490
- Issue date Feb 7, 1984
- PPG Industries, Inc.
- Herman P. Doerge
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of producing phenolic foam using pressure and foam produced...
- Patent number 4,423,163
- Issue date Dec 27, 1983
- Koppers Company, Inc.
- Herman P. Doerge
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL