Patent US3060029A successfully refreshed from Google Patents.
US3060029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic ultraviolet absorbers
Assignee: GAF Chemicals Corp
•
Filing: 1960-09-12
•
Granted: 1962-10-23
•
Expires: 1980-09-12
Abstract
No abstract record available.
Inventors
- 👤 Cerwonka Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:24
CPC Classifications
C; C07; C07D; C07D333/00; C07D333/02; C07D333/04; C07D333/06; C07D333/22; G; G03; G03C; G03C1/00; G03C1/76; G03C1/815; G03C1/8155; Y; Y10; Y10S; Y10S430/00; Y10S430/142
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A PHOTOGRAPHIC ELEMENT COMPRISING A SUPPORT AND AT LEAST ONE LIGHT-SENSITIVE SILVER HALIDE EMULSION LAYER CONTAINING AT LEAST ONE DYE IMAGE INTERMEDIATE SELECTED FROM THE GROUP CONSISTING OF COLORLESS AND COLORED COLOR FORMERS REACTABLE WITH THE OXIDATION PRODUCTS OF AN AROMATIC AMINE DEVELOPER TO FORM A DYE IMAGE, THE UPPERMOST LAYER OF SAID ELEMENT BEING PROVIDED WITH A COLLOIDAL SURFACE COATING COMPRISING A COLLOIDAL CARRIER MATERIAL HAVING DISPERSED THEREIN IN AN ULTRAVIOLET ABSORBING AMOUNT A COMPOUND OF THE FOLLOWING FORMULA:
Claim 2
Dependent Claim
80 words
A PHOTOGRAPHIC ELEMENT COMPRISING A SUPPORT AND AT LEAST ONE LIGHT-SENSITIVE SILVER HALIDE EMULSION LAYER CONTAINING AT LEAST ONE DYE IMAGE INTERMEDIATE SELECTED FROM THE GROUP CONSISTING OF COLORLESS AND COLORED COLOR FORMERS REACTABLE WITH THE OXIDATION PRODUCTS OF AN AROMATIC AMINE DEVELOPER TO FORM A DYE IMAGE, THE UPPERMOST LAYER OF SAID ELEMENT BEING PROVIDED WITH A COLLOIDAL SURFACE COATING COMPRISING A COLLOIDAL CARRIER MATERIAL HAVING DISPERSED THEREIN IN AN ULTRAVIOLET ABSORBING AMOUNT A COMPOUND 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) | 1965-10-22 | 1966-04-23 | 1966-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-22 | 1970-04-23 | 1970-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-22 | 1974-04-23 | 1974-10-23 | $7700.00 | Window Closed / Lapsed |