Robert P. Allen

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Longview, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Low softening point homopolypropylene wax
- Patent number 5,330,568
- Issue date Jul 19, 1994
- Eastman Chemical Company
- Vernon K. Park
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Hydrocarbon resin and process for preparation
- Patent number 4,393,261
- Issue date Jul 12, 1983
- Eastman Kodak Company
- Robert P. Allen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of hydrocarbon resins
- Patent number 4,342,850
- Issue date Aug 3, 1982
- Eastman Kodak Company
- Robert P. Allen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Production of 2,2-disubstituted propiolactones
- Patent number 3,994,929
- Issue date Nov 30, 1976
- Eastman Kodak Company
- Robert P. Allen
- C07 - ORGANIC CHEMISTRY