John D. Harper

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Long Beach, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Epoxy resin(s) with anhydride and polybutadiene-maleic anhydride ad...
- Patent number 5,962,586
- Issue date Oct 5, 1999
- John D. Harper
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Anhydride-hardened epoxy resin with polybutadiene-maleic anhydride...
- Patent number 5,629,379
- Issue date May 13, 1997
- John D. Harper
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermosetting bis(isoimide) resin compositions
- Patent number 5,082,920
- Issue date Jan 21, 1992
- John D. Harper
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermosetting bis(isoimide) resin composition
- Patent number 5,079,338
- Issue date Jan 7, 1992
- Thomas A. Schenach
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...