Inventor
POSTLE STEPHEN R
GB28 patents
⚠️ This page may combine multiple inventors who share the name “POSTLE STEPHEN R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CIBA GEIGY AG
22 patentsUS4294916AOct 13, 1981
Photographic silver halide material containing a dye filter or a dye anti-halation layer
CIBA GEIGY AG36 citations90
US4294917AOct 13, 1981
Photographic silver halide material containing a dye filter or a dye anti-halation layer
CIBA GEIGY AG31 citations90
US4643588AFeb 17, 1987
Method of monitoring temperature
CIBA GEIGY AG45 citations87
US4668359AMay 26, 1987
Diagnostic strip
CIBA GEIGY AG21 citations76
US4481252ANov 6, 1984
Sheet material
CIBA GEIGY AG10 citations74
US4609620ASep 2, 1986
Pyrazolone compounds and a process for their manufacture
CIBA GEIGY AG9 citations73
US4578305AMar 25, 1986
Photochromic assembly comprising photochromic glass beads in polymer latex
CIBA GEIGY AG6 citations72
US4489108ADec 18, 1984
Photochromic assembly and manufacture of this assembly
CIBA GEIGY AG11 citations72
US4444939AApr 24, 1984
Photochromic paint
CIBA GEIGY AG11 citations72
US4649026AMar 10, 1987
Diagnostic strips
CIBA GEIGY AG16 citations70
US4387158AJun 7, 1983
Photographic materials
CIBA GEIGY AG7 citations63
US4360588ANov 23, 1982
Photographic element containing a UV-filter layer
CIBA GEIGY AG2 citations63
US4359522ANov 16, 1982
Photographic element containing a UV-filter layer
CIBA GEIGY AG5 citations63
US4234677ANov 18, 1980
Pyrazolone dyestuffs and their use in photographic materials
CIBA GEIGY AG5 citations63
US4480104AOct 30, 1984
Hydroquinone derivatives and their use in photographic materials
CIBA GEIGY AG1 citations60
US4443537AApr 17, 1984
Hydroquinone derivatives and their use in photographic materials
CIBA GEIGY AG2 citations60
US4426444AJan 17, 1984
Hydroquinone derivatives and their use in photographic materials
CIBA GEIGY AG1 citations60
US4410702AOct 18, 1983
Hydroquinone derivatives of pyridinecarboxylic acids
CIBA GEIGY AG2 citations60
US4791155ADec 13, 1988
Assembly for monitoring ionising radiation
CIBA GEIGY AG6 citations55
US4359523ANov 16, 1982
Photographic element containing a UV-filter layer
CIBA GEIGY AG1 citations52
US4417072ANov 22, 1983
Hydroquinone derivatives and their use in photographic materials
CIBA GEIGY AG1 citations49
US4560646ADec 24, 1985
Protected developing agents
CIBA GEIGY AG1 citations46