Inventor · disambiguated record
William L. Hergenrother
Also filed as: AMBROSE RICHARD J · HALASA ADEL F · HERGENROTHER WILLIAM · HERGENROTHER WILLIAM L
231 granted patents·17 pending applications·3,880 citations·filing 1974–2020
99Inventor score
Files withBRIDGESTONE CORP123FIRESTONE TIRE & RUBBER CO58BRIDGESTONE FIRESTONE INC16HERGENROTHER WILLIAM L12HOGAN TERRENCE E10
Top patents by PatentIndex Score
248 records- 0199US6342552B1Processability of silica-filled rubber stocksBRIDGESTONE CORP·Filed 2000·Granted Jan 29, 2002·95 cites·17 claims
- 0298US7700673B2Reduced oil rubber compositions including N-substituted polyalkylene succinimide derivates and methods for preparing such compositionsBRIDGESTONE CORP·Filed 2006·Granted Apr 20, 2010·30 cites·17 claims
- 0398US6608145B1Silica-reinforced rubber compounded with an organosilane tetrasulfide silica coupling agent at high mixing temperatureBRIDGESTONE CORP·Filed 2000·Granted Aug 19, 2003·116 cites·20 claims
- 0497US8097674B2Amino alkoxy-modified silsesquioxanes in silica-filled rubber with low volatile organic chemical evolutionHERGENROTHER WILLIAM L·Filed 2008·Granted Jan 17, 2012·25 cites·46 claims
- 0597US7153919B2Use of sulfur containing initiators for anionic polymerization of monomersBRIDGESTONE CORP·Filed 2003·Granted Dec 26, 2006·81 cites·20 claims
- 0697US6590017B1Processability of silica-reinforced rubber containing an amide compoundBRIDGESTONE CORP·Filed 2000·Granted Jul 8, 2003·82 cites·22 claims
- 0797US6579949B1Preparation of low hysteresis rubber by reacting a lithium polymer with a sulfur containing reagentBRIDGESTONE CORP·Filed 2001·Granted Jun 17, 2003·92 cites·19 claims
- 0897US5494091AHigh modulus low hysteresis rubber compound for pneumatic tiresBRIDGESTONE CORP·Filed 1995·Granted Feb 27, 1996·163 cites·9 claims
- 0997US4427828AImpact resistant polymeric compositions containing polyamides, maleic anhydride adducts of hydrogenated polymers and graft copolymers thereofFIRESTONE TIRE & RUBBER CO·Filed 1982·Granted Jan 24, 1984·105 cites·12 claims
- 1096US7915368B2Method for making alkoxy-modified silsesquioxanesBRIDGESTONE CORP·Filed 2007·Granted Mar 29, 2011·26 cites·18 claims
- 1196US7799870B2Compounding silica-reinforced rubber with low volatile organic compound (VOC) emissionBRIDGESTONE CORP·Filed 2006·Granted Sep 21, 2010·36 cites·93 claims
- 1296US6433065B1Silica-reinforced rubber compounded with mercaptosilanes and alkyl alkoxysilanesBRIDGESTONE CORP·Filed 2000·Granted Aug 13, 2002·69 cites·26 claims
- 1395US6525118B2Processability of silica-filled rubber stocks with reduced hysteresisBRIDGESTONE CORP·Filed 1997·Granted Feb 25, 2003·80 cites·9 claims
- 1495US5916961AAmine-initiated elastomers having hysteresis reducing interaction with silicaBRIDGESTONE CORP·Filed 1997·Granted Jun 29, 1999·99 cites·41 claims
- 1595US5786441APolymers, elastomeric compounds and products thereof, derived from novel amine compounds containing side-chain organolithium moietiesBRIDGESTONE CORP·Filed 1996·Granted Jul 28, 1998·116 cites·25 claims
- 1694US8288474B2Compounding silica-reinforced rubber with low volatile organic compound (VOC) emissionHERGENROTHER WILLIAM L·Filed 2010·Granted Oct 16, 2012·18 cites·92 claims
- 1794US7312271B2Solution masterbatch process using fine particle silica for low hysteresis rubberBRIDGESTONE CORP·Filed 2005·Granted Dec 25, 2007·30 cites·38 claims
- 1894US6774185B2Metal hydroxide filled rubber compositions and tire componentsBRIDGESTONE CORP·Filed 2002·Granted Aug 10, 2004·48 cites·25 claims
- 1993US8642691B2Amino alkoxy-modified silsesquioxane adhesives for improved metal adhesion and metal adhesion retention to cured rubberHERGENROTHER WILLIAM L·Filed 2011·Granted Feb 4, 2014·8 cites·18 claims
- 2093US8513371B2Amino alkoxy-modified silsesquioxanes and method of preparationHERGENROTHER WILLIAM L·Filed 2008·Granted Aug 20, 2013·11 cites·17 claims
- 2193US8399562B2Amine-containing alkoxysilyl-functionalized polymersHOGAN TERRENCE E·Filed 2012·Granted Mar 19, 2013·12 cites·15 claims
- 2293US7642302B2Modified asphalt binders and asphalt paving compositionsFIRESTONE POLYMERS LLC·Filed 2007·Granted Jan 5, 2010·13 cites·30 claims
- 2393US7393564B2Rubber compositions and articles thereof having improved metal adhesionBRIDGESTONE FIRESTONE NORTH AM·Filed 2006·Granted Jul 1, 2008·23 cites·18 claims
- 2493US6579929B1Stabilized silica and method of making and using the sameBRIDGESTONE CORP·Filed 2000·Granted Jun 17, 2003·67 cites·17 claims
- 2593US6136914AAnionic polymerization initiators for preparing macro-branched diene rubbersBRIDGESTONE CORP·Filed 1998·Granted Oct 24, 2000·73 cites·22 claims
- 2693US5268439ATin containing elastomers and products having reduced hysteresis propertiesBRIDGESTONE FIRESTONE INC·Filed 1991·Granted Dec 7, 1993·113 cites·26 claims
- 2792US9447244B2Methods of making blocked-mercapto alkoxy-modified silsesquioxane compoundsBRIDGESTONE CORP·Filed 2015·Granted Sep 20, 2016·3 cites·20 claims
- 2892US8809481B2Amino alkoxy-modified silsesquioxanes and method of preparationBRIDGESTONE CORP·Filed 2013·Granted Aug 19, 2014·5 cites·20 claims
- 2992US7201944B2Rubber compositions and articles thereof having improved metal adhesion and metal adhesion retention with bright steelBRIDGESTONE FIRESTONE NORTH AM·Filed 2002·Granted Apr 10, 2007·28 cites·20 claims
- 3092US5866650AComposition of cyclic amine-initiated elastomers and amorphous silica and process for the production thereofBRIDGESTONE CORP·Filed 1997·Granted Feb 2, 1999·87 cites·41 claims
- 3192US5248722ATire tread compositionBRIDGESTONE CORP·Filed 1992·Granted Sep 28, 1993·69 cites·24 claims
- 3291US8362181B2Functional polymers prepared with sulfur-containing initiatorsBRIDGESTONE CORP·Filed 2011·Granted Jan 29, 2013·7 cites·9 claims
- 3391US8148486B2Amine-containing alkoxysilyl-functionalized polymersHOGAN TERRENCE E·Filed 2007·Granted Apr 3, 2012·14 cites·19 claims
- 3491US7319123B2Use of sulfur containing initiators for anionic polymerization of monomersBRIDGESTONE CORP·Filed 2006·Granted Jan 15, 2008·10 cites·18 claims
- 3591US7271208B2Silica-reinforced rubber compounded with an alkoxysilane and a strong organic baseBRIDGESTONE CORP·Filed 2006·Granted Sep 18, 2007·8 cites·31 claims
- 3690US9290599B2Functionalized polymers and tires therefromBRIDGESTONE CORP·Filed 2013·Granted Mar 22, 2016·4 cites·12 claims
- 3790US8822620B2Method for making alkoxy-modified silsesquioxanesHERGENROTHER WILLIAM L·Filed 2011·Granted Sep 2, 2014·7 cites·21 claims
- 3890US7186845B2Polymer-filler coupling additivesBRIDGESTONE CORP·Filed 2004·Granted Mar 6, 2007·28 cites·68 claims
- 3990US7119150B2Silica-reinforced rubber compounded with an alkoxysilane and a catalytic alkyl tin compoundBRIDGESTONE CORP·Filed 2003·Granted Oct 10, 2006·29 cites·31 claims
- 4090US6228908B1Diene polymers and copolymers incorporating partial coupling and terminals formed from hydrocarboxysilane compoundsBRIDGESTONE CORP·Filed 1999·Granted May 8, 2001·71 cites·16 claims
- 4189US9403969B2Compounding silica-reinforced rubber with low volatile organic compound (VOC) emissionBRIDGESTONE CORP·Filed 2012·Granted Aug 2, 2016·3 cites·21 claims
- 4288US7462677B2Sulfur containing initiators for anionic polymerization of monomersBRIDGESTONE CORP·Filed 2007·Granted Dec 9, 2008·7 cites·31 claims
- 4388US7230050B2Tire components including thermoplastic-elastomeric block copolymersBRIDGESTONE CORP·Filed 2005·Granted Jun 12, 2007·10 cites·26 claims
- 4488US6313210B1Silica-reinforced rubber compounds containing moisture stabilized polymersBRIDGESTONE COPORATION·Filed 2000·Granted Nov 6, 2001·37 cites·24 claims
- 4588US5464899AHigh modulus low hysteresis rubber compound for pneumatic tiresBRIDGESTONE CORP·Filed 1994·Granted Nov 7, 1995·32 cites·13 claims
- 4688US5446102AOlefin metathesis catalysts for degelling polymerization reactorsBRIDGESTON CORP·Filed 1994·Granted Aug 29, 1995·57 cites·16 claims
- 4788US5238893AMethod of preparing an anionic polymerization initiatorBRIDGESTONE CORP·Filed 1991·Granted Aug 24, 1993·56 cites·8 claims
- 4888US5091471AElastomer blends having improved extrusion resistance and method for the preparation thereofBRIDGESTONE FIRESTONE INC·Filed 1989·Granted Feb 25, 1992·46 cites·15 claims
- 4987US8501895B2Method for making alkoxy-modified silsesquioxanes and amino alkoxy-modified silsesquioxanesHERGENROTHER WILLIAM L·Filed 2008·Granted Aug 6, 2013·7 cites·12 claims
- 5087US7781503B2Modified asphalt binders and asphalt paving compositionsFIRESTONE POLYMERS LLC·Filed 2006·Granted Aug 24, 2010·6 cites·57 claims
Showing the top 50 of 248 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →