Inventor · disambiguated record
Peter Bitterli
Also filed as: BITTERLI PETER
10 granted patents·59 citations·filing 1975–1995
87Inventor score
Top patents by PatentIndex Score
10 records- 0183US4866113ACompounds useful as pigments containing one or more 2,2,6,6-tetraalkylpiperidine groupsSANDOZ LTD·Filed 1988·Granted Sep 12, 1989·18 cites·34 claims
- 0264US5123930A1:2 chromium and cobalt complexes of monoazo compounds for drying porous oxide layers on aluminum and aluminum alloy substratesSANDOZ LTD·Filed 1990·Granted Jun 23, 1992·9 cites·21 claims
- 0364US4838943ACompounds useful as pigments containing one or more 2,2,6,6-tetraalkylpiperidine groupsSANDOZ LTD·Filed 1987·Granted Jun 13, 1989·7 cites·27 claims
- 0461US4316032AOximino-imino-isoindoline metal complexes useful as pigmentsSANDOZ LTD·Filed 1980·Granted Feb 16, 1982·5 cites·9 claims
- 0560US5283325A1:2 chromium and cobalt complexes of monoazo compounds having further unsubstituted or substituted nitro-2-hydroxyphenyl diazo component radicals and 6- or 7-acyl-amino-1-hydroxy-3-sulfonaphthalene coupling component radicalsSANDOZ LTD·Filed 1991·Granted Feb 1, 1994·7 cites·21 claims
- 0642US4008097ACo-condensate mixtures of iminoisoindolinonesSANDOZ LTD·Filed 1975·Granted Feb 15, 1977·3 cites·9 claims
- 0735US5542975Aβ-crystal form of 4,4'-Diamino-3,3'-Dibromo-1,1'-DianthraquinonylCLARIANT FINANCE BVI LTD·Filed 1995·Granted Aug 6, 1996·1 cites·4 claims
- 0835US4734515A1:2 metal complexes of 2-nitroso-acetoacetic acid and benzoylacetic acid arylamidesSANDOZ LTD·Filed 1986·Granted Mar 29, 1988·1 cites·18 claims
- 0934US4494955AMass dyeing of polyester with pyrrocoline dye of his thermal stabilitySANDOZ LTD·Filed 1983·Granted Jan 22, 1985·2 cites·20 claims
- 1023US5021573AHeterocyclic pigments and dyesSANDOZ LTD·Filed 1989·Granted Jun 4, 1991·6 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →