Arne Graff-Andersen

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Koege, DK

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Patents Grantslast 30 patents

Information Patent Grant
Dispersible water-soluble or water-swellable polymers and process f...
- Patent number 5,869,029
- Issue date Feb 9, 1999
- Hercules Incorporated
- Arne Graff-Andersen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE