Inventor · disambiguated record
Ralf Hufen
Also filed as: HUFEN RALF
26 granted patents·12 pending applications·121 citations·filing 1994–2022
94Inventor score
Files withCOVESTRO DEUTSCHLAND AG18BAYER AG10COVESTRO INTELLECTUAL PROPERTY GMBH & CO KG6BAYER MATERIALSCIENCE AG2BAYER IP GMBH1
Top patents by PatentIndex Score
38 records- 0193US6613869B1Containers made of a branched polycarbonateBAYER AG·Filed 2000·Granted Sep 2, 2003·51 cites·15 claims
- 0287US11111380B2Composition and thermoplastic molding compound having good notch impact strength and improved melt stabilityCOVESTRO DEUTSCHLAND AG·Filed 2017·Granted Sep 7, 2021·2 cites·17 claims
- 0380US10844182B2Method for producing polycarbonate molding compositions with improved thermal processing stabilityCOVESTRO DEUTSCHLAND AG·Filed 2016·Granted Nov 24, 2020·1 cites·11 claims
- 0472US10934429B2Polycarbonate compositions having improved adhesion to polyurethane layersCOVESTRO DEUTSCHLAND AG·Filed 2019·Granted Mar 2, 2021·0 cites·18 claims
- 0572US10501624B2Flame-retardant polycarbonate-polyester compositionsCOVESTRO DEUTSCHLAND AG·Filed 2015·Granted Dec 10, 2019·1 cites·17 claims
- 0671US10113063B2Hydrolysis-stable polycarbonate-polyester compositionsCOVESTRO DEUTSCHLAND AG·Filed 2015·Granted Oct 30, 2018·1 cites·13 claims
- 0770US7691477B2Polyformals as a coextrusion protective layer on polycarbonateBAYER MATERIALSCIENCE AG·Filed 2005·Granted Apr 6, 2010·1 cites·13 claims
- 0870US6682794B1Polycarbonate containersBAYER AG·Filed 2000·Granted Jan 27, 2004·8 cites·10 claims
- 0968US10138370B2Polycarbonate compositions having improved adhesion to polyurethane layersCOVESTRO DEUTSCHLAND AG·Filed 2014·Granted Nov 27, 2018·1 cites·22 claims
- 1068US7893135B2Impact-modified polyalkylene terephthalate/polycarbonate compositionsBAYER MATERIALSCIENCE AG·Filed 2009·Granted Feb 22, 2011·1 cites·19 claims
- 1167US9290654B2Polymer compositions with improved adhesionBAYER IP GMBH·Filed 2012·Granted Mar 22, 2016·2 cites·21 claims
- 1264US2018312690A1Polycarbonate compositions having improved adhesion to polyurethane layersCOVESTRO DEUTSCHLAND AG·Filed 2018·Application pending·0 cites
- 1364US2016251513A1Polycarbonate compositions having improved adhesion to polyurethane layersCOVESTRO DEUTSCHLAND AG·Filed 2014·Application pending·0 cites
- 1463US2016244608A1Polycarbonate Compositions Having Improved Adhesion to Polyurethane LayersCOVESTRO DEUTSCHLAND AG·Filed 2014·Application pending·0 cites
- 1562US5464893ARadiation-resistant polycarbonatesBAYER AG·Filed 1994·Granted Nov 7, 1995·12 cites·16 claims
- 1661US10899909B2Polycarbonate compositions with improved stabilisationCOVESTRO DEUTSCHLAND AG·Filed 2016·Granted Jan 26, 2021·0 cites·11 claims
- 1760US6713594B2Polycarbonate with high extensional viscosityBAYER AG·Filed 2003·Granted Mar 30, 2004·5 cites·8 claims
- 1859US12024628B2By means of ionizing radiation sterilizable moulded parts made from polycarbonateCOVESTRO INTELLECTUAL PROPERTY GMBH & CO KG·Filed 2019·Granted Jul 2, 2024·0 cites·15 claims
- 1958US2024052158A1Polycarbonate polyester composition, molding compound and molding body having a good impact strength and high thermal loading capabilityCOVESTRO DEUTSCHLAND AG·Filed 2022·Application pending·0 cites
- 2057US12410313B2Mineral-reinforced co-polyester blendCOVESTRO INTELLECTUAL PROPERTY GMBH & CO KG·Filed 2020·Granted Sep 9, 2025·0 cites·11 claims
- 2157US5382605APolycondensates which can be sterilized by γ-radiationMILES INC·Filed 1994·Granted Jan 17, 1995·10 cites·10 claims
- 2255US11680164B2By means of ionizing radiation sterilizable moulded parts made from polycarbonateCOVESTRO INTELLECTUAL PROPERTY GMBH & CO KG·Filed 2019·Granted Jun 20, 2023·0 cites·14 claims
- 2354US11104797B2Composition and thermoplastic molding compound having good low-temperature toughness, high gloss, and high processing stabilityCOVESTRO DEUTSCHLAND AG·Filed 2017·Granted Aug 31, 2021·0 cites·20 claims
- 2451US2021047512A1Flame-resistant filling-material-reinforced polycarbonate composition having a reduced bisphenol-a contentCOVESTRO DEUTSCHLAND AG·Filed 2018·Application pending·0 cites
- 2550US2023020300A1Flame-resistant polycarbonate-polyester blendCOVESTRO INTELLECTUAL PROPERTY GMBH & CO KG·Filed 2020·Application pending·0 cites
- 2650US2016215140A1Dimensionally stable polycarbonate-polyalkylene terephthalate moulding compoundsCOVESTRO DEUTSCHLAND AG·Filed 2014·Application pending·0 cites
- 2749US11559951B2Composite componentCOVESTRO DEUTSCHLAND AG·Filed 2017·Granted Jan 24, 2023·0 cites·17 claims
- 2847US2022371309A1Layered composite comprising polycarbonate and a polycarbonate blend for improved paintabilityCOVESTRO INTELLECTUAL PROPERTY GMBH & CO KG·Filed 2020·Application pending·0 cites
- 2947US2021317263A1Mineral-filled polycarbonate-polyalkylene terephthalate composition, moulding compound and moulded bodies with good impact toughnessCOVESTRO INTELLECTUAL PROPERTY GMBH & CO KG·Filed 2019·Application pending·0 cites
- 3047US2021403705A1Flame-retardant polycarbonate composition with low bisphenol a contentCOVESTRO DEUTSCHLAND AG·Filed 2018·Application pending·0 cites
- 3146US2021332234A1Composition and thermoplastic molding compound having reduced gloss and good chemical resistanceCOVESTRO DEUTSCHLAND AG·Filed 2017·Application pending·0 cites
- 3244US5684062A(Co)polycarbonates stabilised against γ-radiationBAYER AG·Filed 1996·Granted Nov 4, 1997·7 cites·7 claims
- 3343US2020270451A1Flame-retardant polycarbonate-acrylate rubber composition with low bisphenol a contentCOVESTRO DEUTSCHLAND AG·Filed 2018·Application pending·0 cites
- 3441US5612398ARadiation-resistant polycarbonatesBAYER AG·Filed 1995·Granted Mar 18, 1997·6 cites·4 claims
- 3537US5773491A(Co)polycarbonates stabilized against γ-radiationBAYER AG·Filed 1996·Granted Jun 30, 1998·4 cites·4 claims
- 3634US5936007A(Co)polycarbonates stabilized against γ-radiationBAYER AG·Filed 1998·Granted Aug 10, 1999·5 cites·13 claims
- 3733US5852070A(Co) polycarbonates stabilised against γ-radiationBAYER AG·Filed 1996·Granted Dec 22, 1998·3 cites·12 claims
- 3830US6350798B1Use of saccharin for stabilizing thermoplastic, aromatic polycarbonatesBAYER AG·Filed 1998·Granted Feb 26, 2002·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →