Lois C. Trautvetter

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Pittsburgh, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Resinous compositions and their formulation into intumescent fire p...
- Patent number 4,725,457
- Issue date Feb 16, 1988
- PPG Industries, Inc.
- Thomas A. Ward
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...