Douglas P. Waszeciak

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North Haven, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Use of amine initiated butylene oxide polyols in polyurethane products
- Patent number 4,868,223
- Issue date Sep 19, 1989
- The Dow Chemical Company
- Donald L. Nelson
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Use of monohydric alcohols in molded polyurethane resins
- Patent number 4,863,994
- Issue date Sep 5, 1989
- The Dow Chemical Company
- Donald L. Nelson
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...