Ralph K. Joffrion

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Baton Rouge, LA, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for dissolving EPM and EPDM polymers in oil
- Patent number 4,464,493
- Issue date Aug 7, 1984
- Copolymer Rubber & Chemical Corp.
- Ralph K. Joffrion
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Method of grafting EPM and EPDM polymers
- Patent number 4,340,689
- Issue date Jul 20, 1982
- Copolymer Rubber & Chemical Corporation
- Ralph K. Joffrion
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polar resins having improved characteristics by blending with EPM a...
- Patent number 4,251,644
- Issue date Feb 17, 1981
- Copolymer Rubber & Chemical Corporation
- Ralph K. Joffrion
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...