Inventor · disambiguated record
Wilhelm Oppermann
Also filed as: OPPERMANN WILHELM
5 granted patents·1 pending application·127 citations·filing 1982–2006
83Inventor score
Top patents by PatentIndex Score
6 records- 0178US6593468B1Essentially fiber-free cellulose ether with improved water retention, method for the production and use thereofWOLFF WALSRODE AG·Filed 1998·Granted Jul 15, 2003·38 cites·13 claims
- 0274US4451649AProcess for the production of hydroxypropyl starchWOLFF WALSRODE AG·Filed 1982·Granted May 29, 1984·31 cites·5 claims
- 0367US6458866B1Polyurethane elastomers, method of producing them and their useRHODIA·Filed 1996·Granted Oct 1, 2002·25 cites·35 claims
- 0455US6485665B1Method for producing polyurethane elastomer fibers and fibers produced according to this methodRHODIANYL S N C·Filed 1998·Granted Nov 26, 2002·28 cites·20 claims
- 0541US4438264AProcess for the production of hydroxyethyl methyl celluloseBAYER AG·Filed 1982·Granted Mar 20, 1984·5 cites·4 claims
- 0631US2006205935A1Process for shaping cellulose ethersHILD ALEXANDRA·Filed 2006·Application pending·0 cites
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