Inventor · disambiguated record
Heinz-Dieter Lutter
Also filed as: LUTTER HEINZ-DIETER
33 granted patents·4 pending applications·512 citations·filing 1989–2021
97Inventor score
Top patents by PatentIndex Score
37 records- 0194US5420170APreparation of flexible, soft polyurethane foams having viscoelastic, structure-borne soundproofing properties, and polyoxyalkylene-polyol mixtures which can be used for this purposeBASF AG·Filed 1990·Granted May 30, 1995·112 cites·19 claims
- 0290US9115246B2Polyether polyols, process for preparing polyether polyols and their use for producing polyurethanesKUNST ANDREAS·Filed 2011·Granted Aug 25, 2015·9 cites·12 claims
- 0384US6638986B2Preparation of in situ-reticulated flexible polyurethane foamsBASF AG·Filed 2002·Granted Oct 28, 2003·24 cites·14 claims
- 0484US5739173APreparation 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
- 0583US6586486B2Preparation of low-density hydrophilic flexible polyurethane foamsBASF AG·Filed 2002·Granted Jul 1, 2003·22 cites·15 claims
- 0681US5106875ACopolymers and their use as auxiliaries and/or additives in formulations for the preparation of polyisocyanate addition polymerization productsBASF AG·Filed 1989·Granted Apr 21, 1992·30 cites·10 claims
- 0778US5494941APreparation 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
- 0876US9150684B2High resilience polyurethane foams comprising castor oilMEYER ANDRE·Filed 2012·Granted Oct 6, 2015·5 cites·10 claims
- 0975US5374667AProcess 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
- 1074US5786402AProduction 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
- 1173US8426482B2Method for producing viscoelastic polyurethane flexible foamsFRERICKS ANSGAR·Filed 2009·Granted Apr 23, 2013·6 cites·21 claims
- 1273US5059633APreparation of flexible polyurethane foams having low compressive strength and block polyoxypropylenepolyoxyethylenepolyol mixtures which can be used for this purposeBASF AG·Filed 1990·Granted Oct 22, 1991·23 cites·10 claims
- 1372US5925687AProduction of flexible polyurethane foamsBASF AG·Filed 1997·Granted Jul 20, 1999·28 cites·12 claims
- 1472US5059632ANovel copolymers and their use as auxiliaries and/or additives in formulations for the preparation of polyisocyanate addition polymerization productsBASF AG·Filed 1989·Granted Oct 22, 1991·20 cites·9 claims
- 1569US6096238APreparation 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
- 1668US12043695B2Process for preparing a dispersion of inorganic oxide particles in polyester polyolBASF SE·Filed 2019·Granted Jul 23, 2024·0 cites·16 claims
- 1768US9193821B2Process for producing viscoelastic flexible polyurethane foamsLUTTER HEINZ-DIETER·Filed 2010·Granted Nov 24, 2015·2 cites·15 claims
- 1868US8362098B2Process for producing viscoelastic polyurethane foamsBASF SE·Filed 2006·Granted Jan 29, 2013·1 cites·18 claims
- 1965US5597885APreparation 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
- 2060US6770684B2Production of flexible polyurethane foamsBASF AG·Filed 2002·Granted Aug 3, 2004·4 cites·13 claims
- 2160US5596063APreparation 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
- 2259US11759983B2Auxetic polyurethane and melamine foams by triaxial compressionBASF SE·Filed 2018·Granted Sep 19, 2023·0 cites·12 claims
- 2359US6586485B1Production of flexible polyurethane foamsBASF AG·Filed 1998·Granted Jul 1, 2003·14 cites·15 claims
- 2459US2024067771A1New catalyst for producing polyurethanesBASF SE·Filed 2021·Application pending·0 cites
- 2558US5534185AProcess 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
- 2656US11945904B2Flexible polyurethane foamsBASF SE·Filed 2018·Granted Apr 2, 2024·0 cites·20 claims
- 2755US12391787B2Polyurethane foams with reduced aromatic amine contentBASF SE·Filed 2019·Granted Aug 19, 2025·0 cites·15 claims
- 2854US11479635B2Oxidic silicon particle dispersion in polyolBASF SE·Filed 2018·Granted Oct 25, 2022·0 cites·16 claims
- 2953US6433124B1Reactive polymers and isocyanate-reactive polymers obtainable therefromBASF AG·Filed 2000·Granted Aug 13, 2002·2 cites·15 claims
- 3052US6696505B2Preparation of polyurethane foamsBASF AG·Filed 2001·Granted Feb 24, 2004·2 cites·13 claims
- 3151US11891471B2Flexible polyurethane foams with high water absorption capacityBASF SE·Filed 2020·Granted Feb 6, 2024·0 cites·14 claims
- 3241US10927212B2Viscoelastic foams having high densityBASF SE·Filed 2017·Granted Feb 23, 2021·0 cites·8 claims
- 3337US6187893B1Two-component polyurethane systems which contain reactive diluentsBASF AG·Filed 1998·Granted Feb 13, 2001·4 cites·6 claims
- 3436US2005176838A1Method for the production of polyurethane foam materialsFiled 2003·Application pending·0 cites
- 3535US2004102538A1Method of producing flexible polyurethane foamsFiled 2002·Application pending·0 cites
- 3634US10723828B2Tack-free polyurethane flexible foamBASF SE·Filed 2017·Granted Jul 28, 2020·0 cites·11 claims
- 3734US2013150476A1Washable viscoelastic flexible polyurethane foamsMARTIN MARC·Filed 2012·Application pending·0 cites
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