Inventor · disambiguated record
Rolf-Dieter Langenhagen
Also filed as: LANGENHAGEN ROLF-DIETER
23 granted patents·828 citations·filing 1975–2000
97Inventor score
Top patents by PatentIndex Score
23 records- 0196US4654161ASiloxanes with betaine groups, their synthesis and use in cosmetic preparationsGOLDSCHMIDT AG TH·Filed 1985·Granted Mar 31, 1987·172 cites·19 claims
- 0292US5306737APolysiloxane-polyoxyalkylene block copolymers with different polyoxyalkylene blocks in the average moleculeGOLDSCHMIDT AG TH·Filed 1993·Granted Apr 26, 1994·58 cites·2 claims
- 0391US4698178AUse of polyoxyalkylene-polysiloxane copolymers with silicon-linked, long-chain alkyl radicals as emulsifiers for the preparation of water/oil emulsionsGOLDSCHMIDT AG TH·Filed 1985·Granted Oct 6, 1987·110 cites·3 claims
- 0488US6730749B1Siloxane block copolymers having linked siloxane blocksGOLDSCHMIDT AG TH·Filed 2000·Granted May 4, 2004·30 cites·20 claims
- 0588US5357018APolysiloxane-polyoxyalkylene block copolymers with different polyoxyalkylene blocks in the average moleculeGOLDSCHMIDT AG TH·Filed 1993·Granted Oct 18, 1994·39 cites·6 claims
- 0687US4417068AProcess for the addition of organic silicon compounds with SiH groups to compounds with olefinic double bondsGOLDSCHMIDT AG TH·Filed 1982·Granted Nov 22, 1983·35 cites·7 claims
- 0786US5321051APolysiloxane-polyoxyalkylene block copolymers with different polyoxyalkylene blocks in the average moleculeGOLDSCHMIDT AG TH·Filed 1993·Granted Jun 14, 1994·34 cites·2 claims
- 0883US4609750ASiloxanes with betaine groups, their synthesis and use in hair care productsGOLDSCHMIDT AG TH·Filed 1985·Granted Sep 2, 1986·30 cites·21 claims
- 0981US5844010AMethod of preparing polyurethane foam utilizing block copolymers having linked siloxane blocksGOLDSCHMIDT AG TH·Filed 1997·Granted Dec 1, 1998·37 cites·7 claims
- 1080US4042540AProcess for the manufacture of highly elastic soft polyurethane foamsGOLDSCHMIDT AG TH·Filed 1975·Granted Aug 16, 1977·38 cites·13 claims
- 1174US4687786AProcess for the preparation of flexible polyurethane foamsGOLDSCHMIDT AG TH·Filed 1986·Granted Aug 18, 1987·21 cites·21 claims
- 1273US6117963ATetrahydrofuran-containing silicone polyethersGOLDSCHMIDT AG TH·Filed 1997·Granted Sep 12, 2000·27 cites·5 claims
- 1372US5565194APolysiloxane-polyoxyalkylene block copolymers and their use as additives for hair cosmeticsGOLDSCHMIDT AG TH·Filed 1995·Granted Oct 15, 1996·41 cites·9 claims
- 1471US6297331B1Organosiloxanyl derivatives of alkanediol monovinyl ethers, process for their preparation, their modification and their use as paint additivesGOLDSCHMIDT AG TH·Filed 1997·Granted Oct 2, 2001·26 cites·24 claims
- 1567US5985948AUse of silicone polyether copolymers in the production of high-resilience polyurethane foamsGOLDSCHMIDT AG TH·Filed 1999·Granted Nov 16, 1999·22 cites·9 claims
- 1667US4529743AProcess for the production of rigid polyurethane foamsGOLDSCHMIDT AG TH·Filed 1984·Granted Jul 16, 1985·17 cites·13 claims
- 1763US5130344AUse of polysiloxane polyoxyalkylene block copolymers for the preparation of rigid polyurethane foamsGOLDSCHMIDT AG TH·Filed 1990·Granted Jul 14, 1992·20 cites·21 claims
- 1859US4087448AProcess for preparing equilibrated organopolysiloxane mixtures with organosulfonic acid groups linked to siliconGOLDSCHMIDT AG TH·Filed 1977·Granted May 2, 1978·10 cites·8 claims
- 1958US4478957AProcess for the production of highly resilient, cold-curing polyurethane foamsGOLDSCHMIDT AG TH·Filed 1983·Granted Oct 23, 1984·14 cites·16 claims
- 2052US5064870AMethod for the production of highly elastic, cold-curing polyurethane foamsGOLDSCHMIDT AG TH·Filed 1990·Granted Nov 12, 1991·12 cites·5 claims
- 2152US5043409ARelease agent and process for the preparation of molded polyurethane or polyurea articles in the presence of the release agentGOLDSCHMIDT AG TH·Filed 1989·Granted Aug 27, 1991·10 cites·6 claims
- 2251US6414175B1Innovative siloxane block copolymers with rigid spacers and their useTH GOLDSCHMIDT AGH·Filed 1997·Granted Jul 2, 2002·13 cites·6 claims
- 2347US5990187AMethod of preparing polyurethane foam utilizing organofunctionally modified polysiloxanesGOLDSCHMIDT AG TH·Filed 1997·Granted Nov 23, 1999·12 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →