IP Library › Granted Patent US 4,799,933
Granted Patent Utility
US 4,799,933 · App. 07/002,361

Process for the trichromatic dyeing of leather

Inventors: Fabio Beffa, Josef Koller
Patented Case View Patent ↗
Granted: Jan 24, 1989 Filed: Jan 12, 1987
Inventors
Fabio Beffa
Josef Koller
Assignee (at issue)
Ciba-Geigy

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Quick Facts
Patent No.
US 4,799,933
App. No.
07/002,361
Filed
1987-01-12
Granted
1989-01-24
Kind
A