Inventor · disambiguated record
Sven Meyer-Ahrens
Also filed as: MEYER-AHRENS SVEN
10 granted patents·18 pending applications·59 citations·filing 1994–2023
85Inventor score
Files withBAYER MATERIALSCIENCE AG7COVESTRO DEUTSCHLAND AG5KLESCZEWSKI BERT3BAYER AG2MEYER-AHRENS SVEN2
Top patents by PatentIndex Score
28 records- 0184US8318823B2Visco-elastic polyurethane foamTRIOULEYRE SEBASTIEN·Filed 2008·Granted Nov 27, 2012·15 cites·24 claims
- 0283US7285316B2Process to manufacture three dimensionally shaped substrate for sound abatementBAYER AG·Filed 2004·Granted Oct 23, 2007·27 cites·10 claims
- 0370US6773756B2Process to manufacture three dimensionally shaped substrate for sound abatementBAYER POLYMERS LLC·Filed 2002·Granted Aug 10, 2004·14 cites·19 claims
- 0465US11192991B2Method for producing flame retardant polyurethane foams using halogen-free flame retardantsCOVESTRO DEUTSCHLAND AG·Filed 2020·Granted Dec 7, 2021·0 cites·11 claims
- 0563US8183302B2Visco-elastic polyurethane foam with castor oilKLESCZEWSKI BERT·Filed 2009·Granted May 22, 2012·2 cites·19 claims
- 0662US2025109239A1Soft Polyurethane Foams Based on Aliphatic Oligomeric Polyisocyanates, and Monohydroxy-Functional CompoundsCOVESTRO DEUTSCHLAND AG·Filed 2023·Application pending·0 cites
- 0759US8323788B2Highly flexible sheet composite materialMEYER-AHRENS SVEN·Filed 2009·Granted Dec 4, 2012·1 cites·13 claims
- 0859US2016257776A1Method for producing flexible polyurethane foam materialsCOVESTRO DEUTSCHLAND AG·Filed 2016·Application pending·0 cites
- 0957US10563032B2Method for producing flame retardant polyurethane foams using halogen-free flame retardantsCOVESTRO DEUTSCHLAND AG·Filed 2015·Granted Feb 18, 2020·0 cites·4 claims
- 1055US11919994B2Polyurethane foam materials having reduced cold-flow effect and method for producing sameCOVESTRO INTELLECTUAL PROPERTY GMBH & CO KG·Filed 2020·Granted Mar 5, 2024·0 cites·17 claims
- 1155US2009326089A1Process for lowering emissions of a polyurethane foamBAYER MATERIALSCIENCE AG·Filed 2009·Application pending·0 cites
- 1252US2008167394A1Process for the preparation of PIPA polyols for the production of highly elastic flexible polyurethane foamsBAYER MATERIALSCIENCE AG·Filed 2007·Application pending·0 cites
- 1352US2014066535A1Method for producing flexible polyurethane foam materialsJACOBS GUNDOLF·Filed 2012·Application pending·0 cites
- 1448US2009155520A1Floor covering with viscoelastic dampening propertiesBAYER MATERIALSCIENCE AG·Filed 2008·Application pending·0 cites
- 1547US2015141542A1Method for producing flame-protected polyurethane foams having low bulk densitiesBAYER MATERIALSCIENCE AG·Filed 2013·Application pending·0 cites
- 1645US2015299373A1Method for producing soft polyurethane foam based on polyester polyolsBAYER MATERIALSCIENCE AG·Filed 2013·Application pending·0 cites
- 1744US2013345330A1Method for producing flexible polyurethane foamsNEFZGER HARTMUT·Filed 2011·Application pending·0 cites
- 1843US2015336306A1Method for producing flexible moulded pu foamsBAYER MATERIALSCIENCE AG·Filed 2013·Application pending·0 cites
- 1941US2013289150A1Viscoelastic polyurethane foamsHAGER STANLEY L·Filed 2012·Application pending·0 cites
- 2041US2012184639A1Method for lowering emissions of a polyurethane foamHAAS PETER·Filed 2010·Application pending·0 cites
- 2141US2013237624A1Method for producing flexible polyurethane foamsKLESCZEWSKI BERT·Filed 2011·Application pending·0 cites
- 2240US9701804B2Method for producing flexible polyurethane foamsHAHN NORBERT·Filed 2011·Granted Jul 11, 2017·0 cites·12 claims
- 2340US2019153184A1Polyurethane foams comprising a mixture obtained in the production of tolylene diisocyanate (tdi) as bottoms residueCOVESTRO DEUTSCHLAND AG·Filed 2016·Application pending·0 cites
- 2439US2006084710A1Flexible foams with low bulk densities and compressive strengthsMEYER-AHRENS SVEN·Filed 2005·Application pending·0 cites
- 2538US2010305228A1Process for production of flexible polyurethane foams with low emissionBAYER MATERIALSCIENCE AG·Filed 2010·Application pending·0 cites
- 2638US2005159500A1Polyether esters as flame retardants for polyurethane flexible foamsFiled 2005·Application pending·0 cites
- 2734US2012108690A1Method for producing flame-retardant polyurethane foam materials having good long-term use propertiesKLESCZEWSKI BERT·Filed 2010·Application pending·0 cites
- 2829US5459171ACore discoloration preventing agents in the production of isocyanate-based foamsBAYER AG·Filed 1994·Granted Oct 17, 1995·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →