Inventor · disambiguated record
Claudia Spang
Also filed as: SPANG CLAUDIA
6 granted patents·1 pending application·113 citations·filing 1992–2014
85Inventor score
Technology areasC08G
Top patents by PatentIndex Score
7 records- 0188US8952109B2Process for preparing a block copolymerWEBER MARTIN·Filed 2012·Granted Feb 10, 2015·4 cites·8 claims
- 0278US5494941APreparation 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
- 0375US5173518APreparation of cellular polyurethane elastomers using polyether carbonate diols as a starting componentBASF AG·Filed 1992·Granted Dec 22, 1992·24 cites·10 claims
- 0474US5786402AProduction 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
- 0565US5597885APreparation 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
- 0663US2015112031A1Process for preparing a block copolymerWEBER MARTIN·Filed 2014·Application pending·0 cites
- 0760US5596063APreparation 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
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →