Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Mixtures of optical brighteners

Mixtures of optical brighteners

US Patent 4330427 · Granted May 18, 1982

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Mixtures of optical brighteners2000
Storage-stable liquid brightener formulations1999
Method for determining cyclic service life for rotational parts of a rotary mach1997
Stable and homogeneous aqueous formulations of surfactants1995
Dyeing of cellulose with soluble sulphur dyes without reducing agent1993
Production of pattern effects when dyeing or printing textile material in the ab1992
Method of recovering regenerated sizes1992
Dyeing textile material with pigment dyes: pre-treatment with quaternary ally am1991
Naphthalimides containing sulfuric acid ester groups, a process for their prepar1989
Bisbenzoxazolylnaphthalenes containing sulfonate or sulfonamide groups, a proces1988
Process for the preparation of water-soluble polysaccharides, the saccharides th1988
Copolymer, process for its preparation, and its use1988