Inventor

COPPENS DIRK M

BE18 patents

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

COPPENS DIRK M

3M INNOVATIVE PROPERTIES CO

Fluorochemical copolymer and fluorochemical copolymer compositions useful for imparting repellency properties to a substrate

Alkylated fluorochemical oligomers and use thereof in the treatment of fibrous substrates

Fluorine-free fibrous treating compositions including a polycarbodiimide and an optional paraffin wax, and treating methods

Fluroaliphatic dimer acid derivatives and use thereof

Fluorochemical oligomeric composition and use thereof

Fluorochemical compounds, compositions, articles, and methods

Fluorine-free fibrous treating compositions including a polycarbodiimide and an optional paraffin wax, and treating methods

Fluorine-free fibrous treating compositions, treated substrates, and treating methods

Fluorine-free fibrous treating compositions including isocyanate-derived ethylenically unsaturated monomer-containing oligomers, and treating methods

Fluorochemical composition and method for treating a substrate therewith

Mixed fluorochemical hydrocarbon condensates to impart oil and water repellency to a substrate

Use of amphiphilic copolymers containing a fluorinated monomer to impart waterproofness to leather

Composition and method for providing stain release or stain repellency to substrates

Surfactant-containing fluorochemical compositions, articles, and methods

Composition and method to provide stain release and stain repellency properties to substrates

MINNESOTA MINING & MFG

Oil and water repellent compositions

Oil and water repellent compositions

Polysiloxanes having fluoroaliphatic- and carboxyl-containing terminal groups, their preparation, and their use in treatment of fibrous substrates