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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Fernandez; Jose M.
Address:
Rochester, NY
No. of patents:
4
Patents:












Patent Number Title Of Patent Date Issued
T990004 Fluorinated 1-hydroxy-2-naphthamide coupler, coupler compositions and photographic elements suit January 1, 1980
5,6,7,8 Tetrafluoro 1-hydroxy-2-naphthamide couplers which are N-substituted with a lower alkylphenoxybutyl ballasting group are disclosed as well as compositions and photographic elements containing these couplers in coupler solvent particles. The coupler solvent particles are compr
4310618 Silver halide photographic material and process utilizing blocked dye-forming couplers January 12, 1982
Novel dye-forming couplers have the structure: ##STR1## wherein: Z represents the atoms to complete, with the attached oxygen atom, the same or different 5-pyrazolone dye-forming coupler moiety, phenol dye-forming coupler moiety or naphthol dye-forming coupler moiety, the * in th
4233389 Fluorinated 1-hydroxy-2-naphthamide coupler compositions and photographic elements suited to for November 11, 1980
Fluorinated 1-hydroxy-2-naphthamide couplers which are N-substituted with a lower alkylphenoxybutyl ballasting group are disclosed as well as compositions and photographic elements containing these couplers in coupler solvent particles. The coupler solvent particles are comprised of
4135929 Photographic sulfonamido compounds and elements and processes using them January 23, 1979
A novel class of redox releasing compounds contains an N,N-disubstituted carbamoyl ballast group. These compounds can be used in photographic elements and processes to release a dye or other photographically useful group as a function of silver halide development.










 
 
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