Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process for dyeing natural or synthetic polyamide fibre materials with 1:1 metal complex dyes in presence of alkali metal fluordsilicate or amindnlum silicate

Process for dyeing natural or synthetic polyamide fibre materials with 1:1 metal complex dyes in presence of alkali metal fluordsilicate or amindnlum silicate

US Patent 4818248 · Granted Apr 4, 1989

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Seat structure and method for the production thereof2016
Preparation of 1:2 chromium complexes one sulfo substituted and one sulfonamido 1993
Process for dyeing wool and blends thereof with other fibres using reactive dyes1993
Fibre-reactive 1:1 chromium complex azo or azomethine dyes having a bidentate ch1991
Fibre-reaction 1:1 chromium complex azo or azomethine dyes having a bidentate ch1991
Process for the aqueous dyeing of natural polyamide fibres using reactive dyes a1990
Asymmetrical polyazo chromium complex dyes comprising resorcinol as a coupling c1989
Asymmetric 1:2-chromium complex dyes containing two azo dyes, one containing an 1989
Process for improving the light-fastness of leather dyeings1989
Fiber-reactive chromium complexes and their preparation and use for polyamide, l1989
Fibre-reactive chromium complexes and their preparation and use1988
Process for the photochemical stabilization of synthetic polyamide fibre materia1987