Inventor · disambiguated record
Ruth Zschiesche
Also filed as: ZSCHIESCHE RUTH
9 granted patents·271 citations·filing 1992–1997
91Inventor score
Files withBASF AG9
Top patents by PatentIndex Score
9 records- 0192US5476969AHighly reactive polyoxyalkylene-polyols containing tertiary amino groups in bonded form, their preparation, and their use for the preparation of polyisocyanate polyaddition productsBASF AG·Filed 1992·Granted Dec 19, 1995·67 cites·3 claims
- 0284US5739173APreparation of flame-resistant soft polyurethane foams of reduced smoke density, and melamine/expandable graphite/polyether-polyol dispersions for this purposeBASF AG·Filed 1995·Granted Apr 14, 1998·69 cites·19 claims
- 0378US5494941APreparation of chlorofluorocarbon-free flexible polyurethane foams using diphenylmethane diisocyanate-based polyisocyanate mixtures containing urethane groups, and modified polyisocyanate mixtures of the typeBASF AG·Filed 1993·Granted Feb 27, 1996·26 cites·8 claims
- 0475US5374667AProcess for the preparation of fluorochlorohydrocarbon-free, low-density polyurethan soft foams and soft elastic polyurethan molding foams and polyisocyanate mixtures modified with urethan groups on diphenylmethane-diisocyanate baseBASF AG·Filed 1993·Granted Dec 20, 1994·19 cites·12 claims
- 0574US5786402AProduction of polyurethane foams in the presence of aminoalkyl- or aminophenylimidazoles as catalyst, and the use of these catalysts for the preparation of polyisocyanate polyaddition productsBASF AG·Filed 1995·Granted Jul 28, 1998·28 cites·12 claims
- 0669US6096238APreparation of CFC-free, highly resilient, flexible polyurethane foams, and diphenylmethane diisocyanate-based polyisocyanate mixtures modified by means of urethane groups which can be used for this purposeBASF AG·Filed 1997·Granted Aug 1, 2000·22 cites·9 claims
- 0765US5597885APreparation of chlorofluorocarbon-free flexible polyurethane foams using diphenylmethane diisocyanate-based polyisocyanate mixtures containing urethane groups, and modified polyisocyanate mixturesBASF AG·Filed 1995·Granted Jan 28, 1997·17 cites·6 claims
- 0860US5596063APreparation of chlorofluorocarbon-free flexible polyurethane foams using diphenylmethane diisocyanate-based polyisocyanate mixtures containing urethane groups, and modified polyisocyanate mixtures of this typeBASF AG·Filed 1995·Granted Jan 21, 1997·14 cites·7 claims
- 0958US5534185AProcess for the preparation of fluorochlorohydrocarbon-free low density polyurethane soft foams and soft elastic polyurethane molding foams and polyisocyanate mixtures modified with urethane groups and diphenylmethane-diisocyanate baseBASF AG·Filed 1994·Granted Jul 9, 1996·9 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →