Wolff Walsrode AG

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Walsrode-Bomlitz, DT

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Patents Grantslast 30 patents

Information Patent Grant
Water soluble copolyamide from (1) polyalkylene polyamine, (2) dica...
- Patent number 3,945,983
- Issue date Mar 23, 1976
- Wolff Walsrode AG
- Lutz Hoppe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...