Inventor

COSPER DAVID R

US19 patents

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

COSPER DAVID R

NALCO CHEMICAL CO

Application of enzymes and flocculants for enhancing the freeness of paper making pulp

Cationic anionic polyelectrolytes for enhancing the freeness of paper pulp

Scrubbing media for removing volatile organic material from paint spray booths

Aqueous hydrotrope solutions for paint detackifiers

Recycling of xerographic waste paper using organic particulates

Recycling of xerographic waste paper using organic particulates

Ethylene oxide/propylene oxide block copolymers as green binders for ceramics

Accelerated process for causticization of Kraft green liquor

Hydrotropes and uses thereof

Hydrotropes and uses thereof

Use of additives in pulp bleaching processes to preserve pulp strength

Method of reducing soluble starch in broke repulping using a dual polymer combination

Use of thiourea dioxide in pulp bleaching processes to preserve pulp strength and aid in brightness

Additive for felted cellulose fibers

Morpholinohexose reductone as an oxygen scavenger

Glycidaldehyde modified cationic polyacrylamide polymers used in paper

Use of polyacrylic acid in pulp bleaching processes to preserve pulp strength and aid in brightness

Pulp refining process and additive therefor

KNELLER JAMES F

Method for preparing a ceramic oxide material