Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7455959 | Photographic element containing a speed-enhancing compound | Bernard A. Clark, Philip A. Allway, Tania Zuberi, Stephen P. Singer, Charles E. Heckler | 2008-11-25 |
| 7354701 | Photographic element with speed-enhancing compound | Bernard A. Clark, Philip A. Allway, Tania Zuberi, Stephen P. Singer, Charles E. Heckler | 2008-04-08 |
| 7175975 | Photographic material with improved development inhibitor releases | Stephen P. Singer, Christopher W. Grote, Robert C. Stewart, John W. Harder, David S. Ross +1 more | 2007-02-13 |
| 7108964 | Compound containing an anthranilic acid blocking group | Stephen P. Singer, Philip A. Allway, Trevor J. Wear, Siu (Lambert) C. Tsoi, Bernard A. Clark +1 more | 2006-09-19 |
| 6887656 | Color photographic element containing improved heterocyclic speed enhancing compound | Philip A. Allway, Judith A. Bogie, Bernard A. Clark, Charles E. Heckler, Stephen P. Singer | 2005-05-03 |
| 6589724 | Color photographic element containing speed-improving benzotriazole polymer | Stephen P. Singer, David S. Ross, Bernard A. Clark, Philip A. Allway, David B. Bailey | 2003-07-08 |
| 6569612 | Photographic element containing a high-dye-yield coupler for producing a yellow hue | Lelia Cosimbescu, Jared B. Mooberry, David T. Southby | 2003-05-27 |
| 6455242 | Color photographic element containing speed improving compound | Philip A. Allway, Bernard A. Clark, John D. Goddard, James A. Friday, Stephen P. Singer +1 more | 2002-09-24 |
| 6440653 | Method of producing a photographic image | John R. Fyson | 2002-08-27 |
| 6319660 | Color photographic element containing speed improving compound | Philip A. Allway, Bernard A. Clark, John D. Goddard, James A. Friday, Stephen P. Singer +1 more | 2001-11-20 |
| 6309811 | Color photographic element containing nitrogen heterocycle derivative and inhibitor releasing coupler | Philip A. Allway, Stephen P. Singer | 2001-10-30 |
| 6228572 | Color photographic element containing ballasted mercaptodiazole derivative and inhibitor releasing coupler | J. Ramon Vargas, Stephen P. Singer | 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, Stephen P. Singer | 2001-03-06 |
| 6190848 | Color photographic element containing ballasted triazole derivative and inhibitor releasing coupler | Jane S. Boff, Bernard A. Clark, Stephen P. Singer | 2001-02-20 |
| 6190849 | Photographic element containing ballasted tetrazole derivative and inhibitor releasing coupler | Paul A. Burns, Stephen P. Singer | 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, Stephen P. Singer | 2000-10-31 |
| 6110657 | Photographic recording material for accelerated development | Sharon Lunt, Scott C. Sutton, David T. Southby | 2000-08-29 |
| 6054257 | Photographic element containing particular coupler and inhibitor releasing coupler | Jane S. Boff, Bernard A. Clark, Stephen P. Singer | 2000-04-25 |
| 6043013 | Color photographic element containing elemental silver and heterocyclic thiol in a non-light sensitive layer | Paul A. Burns, Stephen P. Singer, J. Ramon Vargas | 2000-03-28 |
| 5985532 | Photographic element containing an improved pyrozolotriazole coupler | Judith A. Bose, David Hoke, Joan C. Potenza, Robert F. Romanet, Stephen P. Singer +1 more | 1999-11-16 |
| 5681691 | Photographic element containing an improved pyrazolotriazole coupler | Judith A. Bose, David Hoke, Joan C. Potenza, Robert F. Romanet, Stephen P. Singer +1 more | 1997-10-28 |
| 5455141 | Photographic elements containing blocked dye moieties | Zbyslaw R. Owczarczyk, Xiqiang Yang, Daniel L. Kapp, Wojciech K. Slusarek, David T. Southby | 1995-10-03 |
| 5354650 | Photographic elements containing release compounds | David T. Southby, Daniel L. Kapp, Wojciech K. Slusarek, Zbyslaw R. Owczarczyk, Xiqiang Yang | 1994-10-11 |