Helfried Ehrend

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Speyer, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the cross-linking of halogenated polymers
- Patent number 5,250,625
- Issue date Oct 5, 1993
- Rhein Chemie Rheinau GmbH
- Helfried Ehrend
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Processing of polyurethane rubbers
- Patent number 5,141,978
- Issue date Aug 25, 1992
- Rhein-Chemie Rheinau GmbH
- Helfried Ehrend
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for crosslinking chlorinated polyethylene
- Patent number 4,551,505
- Issue date Nov 5, 1985
- Rhein-Chemie Rheinau GmbH
- Michael Sauerbier
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Use of cross-linked epoxidized fatty oils in vulcanizing polymers
- Patent number 4,524,182
- Issue date Jun 18, 1985
- Rhein-Chemie Rhein GmbH
- Armin Bauer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...