Inventor · disambiguated record
Stefan Käshammer
Also filed as: KAESHAMMER STEFAN · KASHAMMER STEFAN
11 granted patents·4 pending applications·44 citations·filing 1997–2011
87Inventor score
Top patents by PatentIndex Score
15 records- 0175US6034279AMethod for the production of γ, δ-unsaturated ketones by reacting tertiary allyl alcohols with alkenyl alkyl ethersBASF AG·Filed 1997·Granted Mar 7, 2000·21 cites·12 claims
- 0272US8138283B2Method for changing the predefined mean molecular weight Mn during the continuous production of polytetrahydrofuranes or THF copolymersPINKOS ROLF·Filed 2007·Granted Mar 20, 2012·2 cites·12 claims
- 0369US8030439B2Method for the production of polytetrahydrofurane or tetrahydrofurane copolymersBASF SE·Filed 2007·Granted Oct 4, 2011·1 cites·15 claims
- 0466US7105662B2Method of producing N-substituted 2,6-dialkylmorpholinesBASF AKTEINGESELLSCHAFT·Filed 2002·Granted Sep 12, 2006·4 cites·18 claims
- 0562US7098349B2Method for producing tetrahydrofuranBASF AG·Filed 2003·Granted Aug 29, 2006·5 cites·16 claims
- 0661US7074944B2Method for producing polytetrahydrofuranBASF AG·Filed 2002·Granted Jul 11, 2006·5 cites·8 claims
- 0757US7897719B2Catalyst and process for the polymerization of cyclic ethersBASF SE·Filed 2006·Granted Mar 1, 2011·0 cites·20 claims
- 0857US6563004B2Process for preparing monoisopropylamineBASF AG·Filed 2000·Granted May 13, 2003·2 cites·9 claims
- 0957US6191320B1Finishing of neopentyl glycolBASF AKTIENGESELLCHAFT·Filed 2000·Granted Feb 20, 2001·2 cites·9 claims
- 1054US2011224401A1Apparatus for separation by distillationKAESHAMMER STEFAN·Filed 2009·Application pending·0 cites
- 1150US7276573B2Method for producing monoesters and diesters of polytetrahydrofuran and of tetrahydrofuran copolymersBASF AG·Filed 2003·Granted Oct 2, 2007·2 cites·14 claims
- 1247US7449422B2Catalyst, its preparation and the polymerization of cyclic ethers over this catalystBASF SE·Filed 2003·Granted Nov 11, 2008·0 cites·4 claims
- 1341US2009131657A1Process for alkenylating carboxamidesBASF SE·Filed 2007·Application pending·0 cites
- 1438US2012059143A1Preparing polyester alcoholsTISCHER GERLINDE·Filed 2011·Application pending·0 cites
- 1538US2012059142A1Preparing polyester alcoholsGRAF HERMANN·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →