US3080233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of incorporating metal salts of color couplers in photographic emulsions
Assignee: GAF Chemicals Corp
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Filing: 1959-04-30
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Granted: 1963-03-05
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Expires: 1979-04-30
Abstract
No abstract record available.
Inventors
- 👤 Curt B Roth
- 👤 Fritz W H Mueller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:30
CPC Classifications
C; C07; C07D; C07D231/00; C07D231/02; C07D231/10; C07D231/14; C07D231/44; C07D231/52; G; G03; G03C; G03C7/00; G03C7/30; G03C7/388
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
21 words
THE METHOD OF INCORPORATING IN A PHOTOGRAPHIC SILVER HALIDE HYDROPHILIC EMULSION A SALT OF A COLOR COUPLER OF THE FOLLOWING FORMULA:
Claim 2
Independent Claim
21 words
THE METHOD OF INCORPORATING IN A PHOTOGRAPHIC SILVER HALIDE HYDROPHILIC EMULSION A SALT OF A COLOR COUPLER OF THE FOLLOWING FORMULA:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |