Inventor

HERGENROTHER WILLIAM L

US220 patents

⚠️ This page may combine multiple inventors who share the name “HERGENROTHER WILLIAM L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HERGENROTHER WILLIAM L

BRIDGESTONE CORP

Silica-reinforced rubber compounded with an organosilane tetrasulfide silica coupling agent at high mixing temperature

Processability of silica-reinforced rubber containing an amide compound

Processability of silica-filled rubber stocks with reduced hysteresis

Processability of silica-filled rubber stocks

Amine-initiated elastomers having hysteresis reducing interaction with silica

Preparation of low hysteresis rubber by reacting a lithium polymer with a sulfur containing reagent

Polymers, elastomeric compounds and products thereof, derived from novel amine compounds containing side-chain organolithium moieties

High modulus low hysteresis rubber compound for pneumatic tires

Silica-reinforced rubber compounded with mercaptosilanes and alkyl alkoxysilanes

Diene polymers and copolymers incorporating partial coupling and terminals formed from hydrocarboxysilane compounds

Composition of cyclic amine-initiated elastomers and amorphous silica and process for the production thereof

Block copolymers of polysiloxanes and copolymers of conjugated dienes and aromatic vinyl compounds, and multilayer structures containing same

Tire tread composition

Method of preparing an anionic polymerization initiator

Anionic polymerization initiators for preparing macro-branched diene rubbers

Stabilized silica and method of making and using the same

High modulus low hysteresis rubber compound for pneumatic tires

Silica-reinforced rubber compounded with an alkoxysilane and a catalytic alkyl tin compound

Compounding process for achieving uniform, fine particle size dispersion of curing agents with minimal use of solvents

Block copolymers of polysiloxanes and copolymers of conjugated dienes and aromatic vinyl compounds, and multilayer structures containing same

Stabilization of siloxane terminated polymers

Rubber curing bladders having self release or low adhesion to curing or cured hydrocarbon rubbers

Rubber curing bladders having self release or low adhesion to curing or cured hydrocarbon rubbers

Method for making alkoxy-modified silsesquioxanes

Compounding silica-reinforced rubber with low volatile organic compound (VOC) emission

Reduced oil rubber compositions including N-substituted polyalkylene succinimide derivates and methods for preparing such compositions

Polymer-filler coupling additives

Metal hydroxide filled rubber compositions and tire components

Preparation of low hysteresis rubber by reacting a lithium polymer with oxazoline compounds

Processability of silica-reinforced rubber containing a monofunctional alkyl tin compound

Processability of silica-filled rubber stocks

Method to control increase in viscosity during aging of siloxane modified polymers

Method to control increase in viscosity during aging of siloxane modified polymers

Elastomers having a reduced hysteresis via interaction of polymer with silica surfaces

Processability of silica-filled rubber stocks

Compositions containing free radical capping additives and uses therefor

Addition of salts to improve the interaction of silica with rubber

Polymers, elastomeric compounds, and products thereof, terminated with novel amine compounds containing side-chain organohalide reactive moieties

Synthesis of tributyltin lithium

Addition of salts to improve the interaction of silica with rubber

Polymers, elastomeric compounds, and products thereof, terminated with novel amine compounds containing side-chain organohalide reactive moieties

BRIDGESTONE FIRESTONE INC

Tin containing elastomers and products having reduced hysteresis properties

Elastomer blends having improved extrusion resistance and method for the preparation thereof

Pneumatic tire with sidewall inserts having specified extension underneath the belt package

FIRESTONE TIRE & RUBBER CO

Impact resistant polymeric compositions containing polyamides, maleic anhydride adducts of hydrogenated polymers and graft copolymers thereof

Amine terminated polymers and the formation of block copolymers

HERGENROTHER WILLIAM L

Compounding silica-reinforced rubber with low volatile organic compound (VOC) emission

Amino alkoxy-modified silsesquioxanes in silica-filled rubber with low volatile organic chemical evolution

BRIDGESTON CORP

Olefin metathesis catalysts for degelling polymerization reactors

FIRESTONE POLYMERS LLC

Modified asphalt binders and asphalt paving compositions