Inventor

HAMROCK STEVEN J

US59 patents

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

HAMROCK STEVEN J

3M INNOVATIVE PROPERTIES CO

Acid functional fluoropolymer membranes and method of manufacture

Crosslinked ion conductive membranes

Electrolytes containing mixed fluorochemical/hydrocarbon imide and methide salts

Microporous PVDF films

Floor finish compositions

High durability fuel cell components with cerium oxide additives

Polymer electrolytes crosslinked by e-beam

Polymer electrolytes crosslinked by ultraviolet radiation

Polymer electrolyte with aromatic sulfone crosslinking

Fuel cell membrane electrode assembly

Bromine, chlorine or iodine functional polymer electrolytes crosslinked by e-beam

Fluorinated ionomers with reduced amounts of carbonyl end groups

Aqueous emulsion polymerization of functionalized fluoromonomers

Floor finish compositions

Cationically polymerizable compositions capable of being coated by electrostatic assistance

Microporous PVDF films

Fuel cell electrolyte membrane with basic polymer

Fuel cell electrolyte membrane with acidic polymer

Polymer electrolyte membranes crosslinked by nitrile trimerization

Crosslinked polymer

Polymer electrolyte membrane and method of making

Method of purifying a dispersion of ionic fluoropolymer

Polymer electrolytes crosslinked by e-beam

Fuel cell subassemblies incorporating subgasketed thrifted membranes

Fuel cell subassemblies incorporating subgasketed thrifted membranes

Ionic polymer membrane for a carbon dioxide electrolyzer

Durable fuel cell membrane electrode assembly with combined additives

Polymer electrolyte with aromatic sulfone crosslinking

Fluorinated copolymer and compositions and articles including the same

Fuel cell membrane electrode assembly

Acid functional fluoropolymer membranes and method of manufacture

Acid functional fluoropolymer membranes and method of manufacture

Ionic polymer membrane for a carbon dioxide electrolyzer

MINNESOTA MINING & MFG

Aqueous fluorochemical compositions and abrasion-resistant coatings therefrom

Perfluoroalkylsulfonates, sulfonimides, and sulfonyl methides, and electrolytes containing them

Topical carpet treatment

Composition and process for imparting durable repellency to substrates

Solid polymer electrolyte compositions

FREY MATTHEW H

High durability fuel cell components with cerium salt additives

Casting solution and method for making a polymer electrolyte membrane

PIERPONT DANIEL M

Durable fuel cell membrane electrode assembly with combined additives

Durable fuel cell membrane electrode assembly with combined additives

HAMROCK STEVEN J

Proton conducting materials

Polymer electrolytes including heteropolyacids

YANDRASITS MICHAEL A

Polymer electrolyte membranes crosslinked by nitrile trimerization

HAUG ANDREW T

Fuel cell electrodes with conduction networks

SMITH SAMANTHA D

Microporous PVDF films

3M INNOVATIVE PROPERTIES COMPANY

Fluorinated copolymer having sulfonyl pendant groups and compositions and articles including the same

LOCHHAAS KAI H

Low equivalent weight polymers

IVERSON ERIC J

Fuel cell subassemblies incorporating subgasketed thrifted membranes