Inventor · disambiguated record
John B. Blackburn
Also filed as: BLACKBURN JOHN B · BLACKBURN JOHN BRYCE · IRVINE ALEXANDER M
6 granted patents·103 citations·filing 1975–1997
83Inventor score
Top patents by PatentIndex Score
6 records- 0195US4089699APigment preparationCIBA GEIGY CORP·Filed 1975·Granted May 16, 1978·45 cites·10 claims
- 0290US4158572AProcess of producing a phthalocyanine pigmentCIBA GEIGY CORP·Filed 1977·Granted Jun 19, 1979·27 cites·14 claims
- 0384US4885033APigment compositions based on acetoacetarylide derivativesCIBA GEIGY CORP·Filed 1988·Granted Dec 5, 1989·21 cites·15 claims
- 0458US4199509ACopper phthalocyanine derivativesCIBA GEIGY CORP·Filed 1977·Granted Apr 22, 1980·4 cites·3 claims
- 0546US4247337ACopper phthalocyanine derivativesCIBA GEIGY CORP·Filed 1979·Granted Jan 27, 1981·2 cites·3 claims
- 0638US6007612APigment compositionsCIBA SC HOLDING AG·Filed 1997·Granted Dec 28, 1999·4 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →