Guan-Yu Xu

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Polyvinylamine derivatives having hydrophilic centers, processes fo...
- Patent number 5,430,110
- Issue date Jul 4, 1995
- Hoechst Aktiengesellschaft
- Michael Ahlers
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...