Issued Patents All Time
Showing 26–50 of 82 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6255045 | Color photographic element containing improved polymeric disulfonamidophenol for scavenging oxidized developer | Tienteh Chen, Ronald E. Leone | 2001-07-03 |
| 6228572 | Color photographic element containing ballasted mercaptodiazole derivative and inhibitor releasing coupler | J. Ramon Vargas, Louis E. Friedrich | 2001-05-08 |
| 6197488 | Color photographic element containing a coupler releasing derivative with at least three heteroatoms with specific hydrophobicity | Philip A. Allway, Bernard A. Clark, Louis E. Friedrich | 2001-03-06 |
| 6190849 | Photographic element containing ballasted tetrazole derivative and inhibitor releasing coupler | Paul A. Burns, Louis E. Friedrich | 2001-02-20 |
| 6190848 | Color photographic element containing ballasted triazole derivative and inhibitor releasing coupler | Jane S. Boff, Bernard A. Clark, Louis E. Friedrich | 2001-02-20 |
| 6140029 | Color photographic element containing elemental silver and nitrogen heterocycle in a non-light sensitive layer | Bernard A. Clark, Jane S. Boff, Philip A. Allway, Louis E. Friedrich | 2000-10-31 |
| 6054257 | Photographic element containing particular coupler and inhibitor releasing coupler | Jane S. Boff, Bernard A. Clark, Louis E. Friedrich | 2000-04-25 |
| 6043012 | Color negative photographic elements with modified scavenging compound distributions | Allan F. Sowinski, William J. Begley | 2000-03-28 |
| 6043013 | Color photographic element containing elemental silver and heterocyclic thiol in a non-light sensitive layer | Paul A. Burns, Louis E. Friedrich, J. Ramon Vargas | 2000-03-28 |
| 6010837 | Silver halide photographic element comprising image dye-forming couplers | Bernard A. Clark, Michael W. Crawley, Jane S. Boff, Christina M. Watts, Paul L. Stanley | 2000-01-04 |
| 5989793 | Color negative photographic elements with modified scavenging compound distributions | Allan F. Sowinski, William J. Begley | 1999-11-23 |
| 5985532 | Photographic element containing an improved pyrozolotriazole coupler | Judith A. Bose, Louis E. Friedrich, David Hoke, Joan C. Potenza, Robert F. Romanet +1 more | 1999-11-16 |
| 5932407 | Color photographic element containing oxidized developer-scavenging naphtholic coupler forming wash-out dye | William J. Begley, Allan F. Sowinski | 1999-08-03 |
| 5856072 | Photographic element containing 5-carbamoyl resorcinol interlayer scavenger | Ronald E. Leone | 1999-01-05 |
| 5821039 | Photographic element containing neutral dye-forming resorcinol coupler | Ronald E. Leone | 1998-10-13 |
| 5723263 | Color negative element having improved blue record printer compatibility | Paul B. Merkel, Jeffrey Walter Schmoeger | 1998-03-03 |
| 5681691 | Photographic element containing an improved pyrazolotriazole coupler | Judith A. Bose, Louis E. Friedrich, David Hoke, Joan C. Potenza, Robert F. Romanet +1 more | 1997-10-28 |
| 5667946 | Photographic material containing magenta dye forming coupler | Jane S. Boff, Bernard A. Clark, Paul L. Stanley, Christina M. Watts | 1997-09-16 |
| 5641613 | Photographic element containing an azopyrazolone masking coupler exhibiting improved keeping | Jane S. Boff | 1997-06-24 |
| 5629140 | Photographic elements containing scavengers for oxidized developing agent | John W. Harder, John V. Nelson | 1997-05-13 |
| 5612173 | One equivalent couplers and low PKA release dyes | Gary S. Proehl, J. Michael Buchanan | 1997-03-18 |
| 5599656 | Photographic materials having releasable compounds | Drake M. Michno, Richard P. Szajewski | 1997-02-04 |
| 5563026 | Color negative element having improved green record printer compatibility | — | 1996-10-08 |
| 5561035 | Photographic elements containing scavengers for oxidized developing agent | Ronald E. Leone | 1996-10-01 |
| 5561036 | Photographic elements containing scavengers for oxidized developing agent | Ronald E. Leone | 1996-10-01 |