James R. Freid

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Pittsburgh, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Modified rosin soaps for acrylic emulsions
- Patent number 4,812,508
- Issue date Mar 14, 1989
- PPG Industries, Inc.
- Joseph M. Makhlouf
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...