Helmut Kolling

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Oberhausen, DT

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Patents Grantslast 30 patents

Information Patent Grant
Process for the production of polyethylene having molecular weights...
- Patent number 4,059,720
- Issue date Nov 22, 1977
- Ruhrchemie Aktiengesellschaft
- Helmut Kolling
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...