Inventor · disambiguated record
Paul P. Spara
Also filed as: SPARA PAUL P · SPARA PAUL PATRICK
16 granted patents·135 citations·filing 1992–2005
92Inventor score
Top patents by PatentIndex Score
16 records- 0192US5322679AIodinated aroyloxy estersSTERLING WINTHROP INC·Filed 1992·Granted Jun 21, 1994·37 cites·7 claims
- 0289US5677118APhotographic element containing a recrystallizable 5-pyrazolone photographic couplerEASTMAN KODAK CO·Filed 1996·Granted Oct 14, 1997·19 cites·10 claims
- 0385US5925503APhotographic element having improved magenta dye light stability and process for its useEASTMAN KODAK CO·Filed 1997·Granted Jul 20, 1999·13 cites·30 claims
- 0482US5466433APolyiodinated aroyloxy estersEASTMAN KODAK CO·Filed 1994·Granted Nov 14, 1995·17 cites·9 claims
- 0577US5972587APhotographic element having improved magenta dye light stability and process for its useEASTMAN KODAK CO·Filed 1998·Granted Oct 26, 1999·9 cites·13 claims
- 0670US5972574APhotographic element containing magenta coupler having improved manufacturability and dye light stabilityEASTMAN KODAK CO·Filed 1997·Granted Oct 26, 1999·6 cites·30 claims
- 0769US6995287B2Synthesis of vinylsulfonesEASTMAN KODAK CO·Filed 2005·Granted Feb 7, 2006·2 cites·13 claims
- 0865US5426021ALiquid or low melting bis-phenol stabilizers for yellow image dye stabilization in ektacolor paperFiled 1993·Granted Jun 20, 1995·6 cites·14 claims
- 0963US5316755ACompositions of iodophenoxy alkanes and iodophenyl ethers for visualization of the gastrointestinal tractSTERLING WINTHROP INC·Filed 1993·Granted May 31, 1994·20 cites·29 claims
- 1059US5985533APhotographic element having improved magenta dye light stability and process for its useEASTMAN KODAK CO·Filed 1998·Granted Nov 16, 1999·4 cites·12 claims
- 1142US5998122APhotographic element containing pyrazoloazole magenta coupler and a specific anti-fading agentEASTMAN KODAK CO·Filed 1998·Granted Dec 7, 1999·1 cites·17 claims
- 1238US5543276AColor photographic element containing new epoxy scavengers for residual magenta couplerEASTMAN KODAK CO·Filed 1994·Granted Aug 6, 1996·1 cites·5 claims
- 1336US6291152B1Photographic element having improved dye stability, compound, and imaging processEASTMAN KODAK CO·Filed 2000·Granted Sep 18, 2001·0 cites·27 claims
- 1430US5695921APhotographic elements with magenta dye forming couplers and stabilizersEASTMAN KODAK CO·Filed 1996·Granted Dec 9, 1997·0 cites·5 claims
- 1530US5627017ALow melting point ionizable epoxy scavengers for residual magenta couplersEASTMAN KODAK CO·Filed 1995·Granted May 6, 1997·0 cites·8 claims
- 1630US5620677ACompositions of iodophenoxy alkanes and iodophenyl ethers for visualization of the gastrointestinal tractSTERLING WINTHROP INC·Filed 1994·Granted Apr 15, 1997·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →