Hans-Walter Birnkraut

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Oberhausen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the manufacture of polyolefins
- Patent number 4,370,458
- Issue date Jan 25, 1983
- Ruhrchemie AG
- Jurgen Falbe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Copolymers of ethylene, process for producing them and their use
- Patent number 4,158,588
- Issue date Jun 19, 1979
- Ruhrchemie Aktiengesellschaft
- Hans-Walter Birnkraut
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the manufacture of high molecular copolymerisates of et...
- Patent number 4,138,540
- Issue date Feb 6, 1979
- Ruhrchemie Aktiengesellschaft
- Siegfried Lutze
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
4,4-Thio-bis-(dialkylphenol)/formaldehyde condensates
- Patent number 4,134,933
- Issue date Jan 16, 1979
- Ruhrchemie Aktiengesellschaft
- Hans Feichtinger
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the purification of low pressure polymerized polyolefin...
- Patent number 4,098,990
- Issue date Jul 4, 1978
- Ruhrchemie Aktiengesellschaft
- Siegfried Lutze
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...