Inventor

KUMAR RAMESH C

US71 patents

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

KUMAR RAMESH C

MINNESOTA MINING & MFG

Vinyl-silicone copolymers in cosmetics and personal care products

Vinyl-silicone polymers in cosmetics and personal care products

Method of making vinyl-silicone copolymers using mercapto functional silicone chain-transfer agents and release coatings made therewith

Method of making vinyl-silicone copolymers using mercapto functional silicone chain-transfer agents and release coatings made therewith

General purpose siloxane release coatings

General purpose siloxane release coatings

Polymers in cosmetics and personal care products

Wide angle optical retarder

Articles coated with electrophotographic toner receptive release coatings

Fluoroalkyl siloxane/vinyl copolymer dispersions and pressure-sensitive adhesives having improved solvent resistance prepared therefrom

Fluoroalkyl siloxane/vinyl copolymer dispersions and pressure-sensitive adhesives having improved solvent resistance prepared therefrom

Siloxane iniferter compounds, block copolymers made therewith and a method of making the block copolymers

Magnetic recording medium whose magnetic layer incorporates nonhalogenated vinyl copolymer and specified polyurethane polymer

Magnetic recording medium having a binder system including a non halogenated vinyl polymer and a polyurethane polymer each with specified pendant groups

Treated substrate having improved release properties

Silicon-free copolymer and bleed-through resistant, ink receptive, and adhesive receptive coatings and coated substrates prepared therefrom

Silicone-containing copolymer and bleed through resistant, ink receptive, and adhesive receptive coatings and coated substrates prepared therefrom

Directly printable coating for olefinic polymer films and articles utilizing such coating

Sulfonated and non-sulfonated, thiol, and hydroxy functional polyurethanes and graft copolymers made therewith

Magnetic recording medium containing a polyurethane copolymer with a free radically polymerized polymer segment grafted to the polyurethane through a sulfur atom

Magnetic recording medium incorporating fluorine-containing, solvent-soluble vinyl copolymer having no vinyl chloride or vinylidene chloride components

Carbamate modified sulfonated and non-sulfonated hydroxy-functional polyurethane macroiniferter compounds, copolymers made therewith, and magnetic recording media prepared therefrom

Binder system for magnetic media

Substrate and a color proofing article having release agent/adhesive mixture coated thereon

Thermographic element with improved anti-stick coating

Siloxane iniferter compounds, block copolymers made therewith and a method of making the block copolymers

Magnetic recording medium comprising magnetic particles, binder, and a non halogenated vinyl oligomer dispersant

3M INNOVATIVE PROPERTIES CO

Water- and oil-repellent fluoroacrylates

Fluoroacrylate-multifunctional acrylate copolymer compositions

Release coating formulation providing low adhesion release surfaces for pressure sensitive adhesives

Wide angle optical retarder

Digital printable and releasable form construction and composition useful thereto

Slip resistant articles

Water- and oil-repellent fluoroacrylates

Water-based release coating containing fluorochemical

Water- and oil-repellent fluorourethanes and fluoroureas

Low surface tension cosmetic copolymers

Digital printable and releasable form construction and composition useful thereto

Fluoroacrylate-mercaptofunctional copolymers

Hand-tearable masking tape with silicone-containing low adhesion backsize

Adhesive articles comprising polylactic acid polymer film and method of making

Segmented silicone polyamide block copolymers and articles containing the same

HANSEN RICHARD G

Moisture-curable siloxanes and siloxane polymers

Copolymers with perfluoropolyether segment and polydiorganosiloxane segment

Moisture-curable siloxane-containing compounds and fluorocarbon-containing compounds and polymers formed therefrom

IMATION CORP

Magnetic recording medium incorporating fluorine-containing, solvent-soluble vinyl copolymer having no vinyl chloride or vinylidene chloride components

Carboxylic acid functional polyurethane polymers and blends thereof used in magnetic recording media

YANG YU

Perfluoropolyether-containing compounds with oxalylamino groups

COGGIO WILLIAM D

Optical element with a porous low refractive index layer having a protection layer

3M INNOVATIVE PROPERTIES COMPANY

Composition and films comprising polylactic acid polymer and copolymer comprising long chain alkyl moiety