Inventor
TANG PING W
GB14 patents
⚠️ This page may combine multiple inventors who share the name “TANG PING W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EASTMAN KODAK CO
13 patentsUS5441863AAug 15, 1995
Photographic elements with heterocyclic cyan dye-forming couplers
EASTMAN KODAK CO26 citations90
US5576150ANov 19, 1996
Photographic dye-forming coupler, emulsion layer, element, and process
EASTMAN KODAK CO8 citations69
US4612278ASep 16, 1986
Photographic materials and process comprising polymeric couplers with alkoxyalkylacrylate comonomers
EASTMAN KODAK CO17 citations66
US5360713ANov 1, 1994
Yellow dye-forming couplers and color photographic elements containing these couplers
EASTMAN KODAK CO2 citations62
US5358829AOct 25, 1994
Photographic material and process comprising a bicyclic pyrazolo coupler
EASTMAN KODAK CO5 citations62
US5100772AMar 31, 1992
Magenta dye forming coupler for photographic material
EASTMAN KODAK CO3 citations62
US4914005AApr 3, 1990
Photographic element containing a cyan dye forming coupler
EASTMAN KODAK CO6 citations62
US5609996AMar 11, 1997
Photographic emulsion layer containing pyrazoloazole coupler exhibiting improved dye light fade
EASTMAN KODAK CO6 citations60
US5427898AJun 27, 1995
Yellow couplers having an arloxy coupling-off group which contains an ortho polarizable functional group
EASTMAN KODAK CO2 citations58
US5457020AOct 10, 1995
Photographic material and process comprising a bicyclic pyrazolo coupler
EASTMAN KODAK CO0 citations52
US5864042AJan 26, 1999
Process for preparation of a 4-amino-5-mercapto-3-substituted- 1,2,4!triazole compound
EASTMAN KODAK CO1 citations50
US5424179AJun 13, 1995
Photographic element with a cyclic azole coupler having a saccharin substituent
EASTMAN KODAK CO0 citations50
US6130032AOct 10, 2000
Photographic elements containing improved yellow dye-forming couplers
EASTMAN KODAK CO1 citations48