Inventor · disambiguated record

Hanspeter Birri

Also filed as: BIRRI HANSPETER

2 granted patents·12 citations·filing 1992–1998

56Inventor score

Technology areasC09B

Files withCIBA GEIGY CORP1 CIBA SC HOLDING AG1

Top patents by PatentIndex Score

2 records

0159US5284939AProcess for the preparation of highly concentrated solutions of cationic azo dyesCIBA GEIGY CORP·Filed 1992·Granted Feb 8, 1994·9 cites·16 claims
0239US5917035AOxazine dyes, their preparation and the use thereofCIBA SC HOLDING AG·Filed 1998·Granted Jun 29, 1999·3 cites·2 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →