Inventor

BIRRI HANSPETER

CH2 patents

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

CIBA GEIGY CORP

1 patent

US5284939AFeb 8, 1994

Process for the preparation of highly concentrated solutions of cationic azo dyes

CIBA GEIGY CORP9 citations66

CIBA SC HOLDING AG

1 patent

US5917035AJun 29, 1999

Oxazine dyes, their preparation and the use thereof

CIBA SC HOLDING AG3 citations55