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Patents Grantslast 30 patents

Information Patent Grant
Process for producing phenolic foams
- Patent number 4,720,510
- Issue date Jan 19, 1988
- BP Chemicals Limited
- Gerald C. Marks
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of phenolic foam
- Patent number 4,648,922
- Issue date Mar 10, 1987
- BP Chemicals Limited
- Gerald C. Marks
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL