| |
 |
Nondiffusible photographic couplers and photographic elements and processes employing same |
| T105702 |
Nondiffusible photographic couplers and photographic elements and processes employing same
|
|
| Patent Drawings: | |
| Inventor: |
Lestina |
| Date Issued: |
August 6, 1985 |
| Application: |
06/613,993 |
| Filed: |
May 25, 1984 |
| Inventors: |
Lestina; Gregory J. (Rochester, NY)
|
| Assignee: |
|
| Primary Examiner: |
|
| Assistant Examiner: |
|
| Attorney Or Agent: |
|
| U.S. Class: |
548/262.2 |
| Field Of Search: |
|
| International Class: |
G03C 7/32 |
| U.S Patent Documents: |
|
| Foreign Patent Documents: |
|
| Other References: |
|
|
| Abstract: |
Photographic couplers comprising a coupler moiety and a ballast moiety have advantageous properties when the ballast moiety is terminated with a hydroxyphenylsulfonyl or hydroxyphenylsulfinyl group. The couplers are useful in photographic emulsions and element. |
| Claim: |
|
| Description: |
|
|
|
|