Inventor
CAMPBELL COLIN D
US18 patents
⚠️ This page may combine multiple inventors who share the name “CAMPBELL COLIN D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CIBA GEIGY CORP
7 patentsUS5334727AAug 2, 1994
Pyrazole-containing pigment derivatives
CIBA GEIGY CORP30 citations92
US4147780AApr 3, 1979
α-Amino-phosphonous acids for inhibiting bacteria and yeast
CIBA GEIGY CORP19 citations82
US4981888AJan 1, 1991
Resin compositions
CIBA GEIGY CORP8 citations73
US4892968AJan 9, 1990
3,3'-Dichloro-4,4-diaminodiphenyl sulfonic acids
CIBA GEIGY CORP3 citations62
US4205977AJun 3, 1980
Agent and method for influencing plant growth
CIBA GEIGY CORP4 citations62
US4153601AMay 8, 1979
4-Hydroxyquinolone-(2)-azomethine copper complex pigments
CIBA GEIGY CORP2 citations61
US4920217AApr 24, 1990
Production of dimethylaminomethyl copper phthalocyanine
CIBA GEIGY CORP5 citations57
CAMBELT INT CORP
4 patentsUS6095742AAug 1, 2000
Center column and stored material support and transfer structure for reclaimer
CAMBELT INT CORP27 citations92
US5449263ASep 12, 1995
Device and method for torque assist of drag arm
CAMBELT INT CORP23 citations92
US4714151ADec 22, 1987
Apparatus for supporting and enclosing conveyor systems
CAMBELT INT CORP37 citations92
US5944168AAug 31, 1999
Crescent shaped support cover
CAMBELT INT CORP18 citations77