Inventor
LEYSHON LLEWELLYN J
GB14 patents
Patents
14 patentsUS4749645AJun 7, 1988
Heterocyclic phosphorus compound stabilizers
EASTMAN KODAK CO21 citations81
US5021333AJun 4, 1991
Color photographic element, compounds and process
EASTMAN KODAK CO9 citations73
US4782011ANov 1, 1988
Bisphenol derivative stabilizers
EASTMAN KODAK CO16 citations72
US6756189B2Jun 29, 2004
Photographic elements containing cyan coupler UV absorber and stabilizer
EASTMAN KODAK CO2 citations62
US6713226B2Mar 30, 2004
High contrast photographic element containing a polyhydrazide nucleating agent
EASTMAN KODAK CO2 citations62
US6444412B1Sep 3, 2002
Photographic element with dye-forming coupler and stabilizing compound
EASTMAN KODAK CO4 citations62
US6071683AJun 6, 2000
Image dye-forming couplers and photographic elements containing them
EASTMAN KODAK CO4 citations62
US6004738ADec 21, 1999
Photographic elements containing cyan dye-forming coupler, coupler solvent and bisphenol derivative
EASTMAN KODAK CO4 citations62
US4777121AOct 11, 1988
Substituted pyrazolo[3, 2-c]-s-triazole photographic couplers and photographic materials and processes employing them
EASTMAN KODAK CO4 citations61
US6245480B1Jun 12, 2001
High contrast photographic element containing a novel nucleator
EASTMAN KODAK CO5 citations59
US6444417B1Sep 3, 2002
Photographic element containing cyan dye-forming coupler
EASTMAN KODAK CO2 citations57
US6312881B1Nov 6, 2001
Photographic element with yellow dye-forming coupler and stabilizing compounds
EASTMAN KODAK CO0 citations51
US6790585B2Sep 14, 2004
Method for developing a high contrast photographic material containing a polyhydrazide nucleating agent
EASTMAN KODAK CO0 citations40
US6699650B1Mar 2, 2004
Photographic couplers having improved image dye light stability
EASTMAN KODAK CO0 citations36