Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Perinone dyestuffs for bulk dyeing of plastics

Perinone dyestuffs for bulk dyeing of plastics

US Patent 5466805 · Granted Nov 14, 1995

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Process for the production of cyanine dyes1999
Method and material for the formation of a heat mode image1999
Bulk dyeing using quinophthalone dyestuffs1999
Bulk dyeing using quinophthalone dyestuffs1998
Bulk dyeing of plastics1997
Dyestuffs for bulk dyeing plastics1997
Bulk dyeing of plastics1996
Process for the preparation of aminoazo dyes1996
Phthaloperinone dyestuffs1996
Pigment salts and their use for dyeing and pigmenting1996
Fiber-reactive monoazo and disazo dyes1995
Dyestuffs and their use for mass-coloration of plastics1994