Inventor · disambiguated record
Holger Seifert
Also filed as: SEIFERT HOLGER
17 granted patents·9 pending applications·212 citations·filing 1995–2017
94Inventor score
Top patents by PatentIndex Score
26 records- 0195US10535940B2Plug-in connector with a heat capacity element arranged on a contact elementPHOENIX CONTACT E MOBILITY GMBH·Filed 2017·Granted Jan 14, 2020·17 cites·11 claims
- 0288US7893124B2Method for producing rigid polyurethane foamsBASF AG·Filed 2005·Granted Feb 22, 2011·14 cites·18 claims
- 0384US8293807B2Method for the production of rigid polyurethane foamEMGE ANDREAS·Filed 2007·Granted Oct 23, 2012·8 cites·22 claims
- 0476US6495652B1Prepolymers containing isocyanate groups and a method for the production thereofBASF AG·Filed 1999·Granted Dec 17, 2002·29 cites·14 claims
- 0576US6284812B1Thermally stable rigid foams based on isocyanate and having low brittleness and low thermal conductivityBASF AG·Filed 1998·Granted Sep 4, 2001·36 cites·13 claims
- 0669US5895792AProduction of rigid polyurethane foamsBASF AG·Filed 1997·Granted Apr 20, 1999·23 cites·20 claims
- 0768US5624969AProduction of rigid foams based on isocyanateBASF AG·Filed 1996·Granted Apr 29, 1997·21 cites·18 claims
- 0863US5684092AProduction of rigid foams based on isocyanateBASF AG·Filed 1996·Granted Nov 4, 1997·17 cites·12 claims
- 0962US6100308APreparation of polyurethanes having improved curingBASF AG·Filed 1997·Granted Aug 8, 2000·18 cites·17 claims
- 1050US2009306238A1Method for the production of rigid polyurethane foamsBASF SE·Filed 2007·Application pending·0 cites
- 1146US2009005533A1Method for Producing Polyether AlcoholsBASF AG·Filed 2006·Application pending·0 cites
- 1245US2013046037A1Process for producing rigid polyurethane foamsBASF SE·Filed 2012·Application pending·0 cites
- 1343US5670554AProduction of CFC-free polyurethane rigid foams having a reduced thermal conductivity and their useELASTOGRAN GMBH·Filed 1995·Granted Sep 23, 1997·6 cites·10 claims
- 1442US2007254973A1Method for the Production of Polyurethane Foam MaterialsBASF AG·Filed 2005·Application pending·0 cites
- 1542US2011218262A1Preparing rigid polyurethane foamsBASF SE·Filed 2011·Application pending·0 cites
- 1641US5492941APolyurethane-based, compact moldings or moldings having a cellular core and a compacted surface, process for their production, and their use as shoe or shoe sole materialBASF SCHWARZHEIDE GMBH·Filed 1995·Granted Feb 20, 1996·6 cites·3 claims
- 1740US5530154APrepolymers containing isocyanate groupsBASF SCHWARZHEIDE GMBH·Filed 1995·Granted Jun 25, 1996·6 cites·3 claims
- 1839US9657133B2Rigid polyurethane foamsSEIFERT HOLGER·Filed 2008·Granted May 23, 2017·0 cites·18 claims
- 1939US5488070APolyurethane-based, compact moldings or moldings having a cellular core and a compacted surface, process for their production, and their use as shoe or shoe sole materialBASF SCHWARZHEIDE GMBH·Filed 1995·Granted Jan 30, 1996·5 cites·4 claims
- 2038US5750586AProduction of CFC-free polyurethane rigid foams having a reduced thermal conductivity and their useBASF AG·Filed 1997·Granted May 12, 1998·4 cites·10 claims
- 2138US2003065045A1Preparation of rigid polyurethane foams having retarded reactivityFiled 2002·Application pending·0 cites
- 2237US2011218324A1Preparing polyether alcoholsBASF SE·Filed 2011·Application pending·0 cites
- 2337US2012022179A1Process for producing rigid polyurethane foamsEMGE ANDREAS·Filed 2010·Application pending·0 cites
- 2433US2006058409A1Method for producing rigid polyurethane foams by means of graft polyhydric alcoholsZASCHKE BERND·Filed 2003·Application pending·0 cites
- 2530US5556891APrepolymers containing isocyanate groupsBASF SCHWARZHEIDE GMBH·Filed 1995·Granted Sep 17, 1996·2 cites·8 claims
- 2628US6040349AProduction of rigid polyurethanes foams with reduced densityBASF AG·Filed 1998·Granted Mar 21, 2000·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →