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Patents Grantslast 30 patents

Information Patent Grant
Method for preparing moulded polyureapolyurethane flexible foams
- Patent number RE34669
- Issue date Jul 19, 1994
- Imperial Chemical Industries PLC
- Roberto Frigo
- 521 - Synthetic resins or natural rubbers
Information Patent Grant
Method for preparing moulded polureapolyurethane flexible foams
- Patent number 5,034,427
- Issue date Jul 23, 1991
- Imperial Chemical Industries PLC
- Roberto Frigo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...