Inventor
SPARA PAUL P
US15 patents
⚠️ This page may combine multiple inventors who share the name “SPARA PAUL P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EASTMAN KODAK CO
10 patentsUS5466433ANov 14, 1995
Polyiodinated aroyloxy esters
EASTMAN KODAK CO17 citations82
US5925503AJul 20, 1999
Photographic element having improved magenta dye light stability and process for its use
EASTMAN KODAK CO13 citations73
US5972587AOct 26, 1999
Photographic element having improved magenta dye light stability and process for its use
EASTMAN KODAK CO9 citations71
US5972574AOct 26, 1999
Photographic element containing magenta coupler having improved manufacturability and dye light stability
EASTMAN KODAK CO6 citations61
US5985533ANov 16, 1999
Photographic element having improved magenta dye light stability and process for its use
EASTMAN KODAK CO4 citations60
US6995287B2Feb 7, 2006
Synthesis of vinylsulfones
EASTMAN KODAK CO2 citations58
US5998122ADec 7, 1999
Photographic element containing pyrazoloazole magenta coupler and a specific anti-fading agent
EASTMAN KODAK CO1 citations51
US5543276AAug 6, 1996
Color photographic element containing new epoxy scavengers for residual magenta coupler
EASTMAN KODAK CO1 citations51
US6291152B1Sep 18, 2001
Photographic element having improved dye stability, compound, and imaging process
EASTMAN KODAK CO0 citations41
US5627017AMay 6, 1997
Low melting point ionizable epoxy scavengers for residual magenta couplers
EASTMAN KODAK CO0 citations41
STERLING WINTHROP INC
4 patentsUS5322679AJun 21, 1994
Iodinated aroyloxy esters
STERLING WINTHROP INC37 citations92
US5316755AMay 31, 1994
Compositions of iodophenoxy alkanes and iodophenyl ethers for visualization of the gastrointestinal tract
STERLING WINTHROP INC20 citations92
US5326553AJul 5, 1994
Compositions of iodophenoxy alkanes and iodophenyl ethers in film-forming materials for visualization of the gastrointestinal tract
STERLING WINTHROP INC9 citations73
US5620677AApr 15, 1997
Compositions of iodophenoxy alkanes and iodophenyl ethers for visualization of the gastrointestinal tract
STERLING WINTHROP INC0 citations52