US3157501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of dyed polymeric images
Assignee: GAF Chemicals Corp
•
Filing: 1960-09-26
•
Granted: 1964-11-17
•
Expires: 1980-09-26
Abstract
No abstract record available.
Inventors
- 👤 Walter F Burrows
- 👤 Andre K Schwerin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:56
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/027; C; C08; C08F; C08F2/00; C08F2/46; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/106
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A PHOTOGRAPHIC ELEMENT COMPRISING A SUPPORT HAVING COATED THEREON A PHTOSENSITIVE LAYER COMPRISING A PHOTOGRAPHIC COLLOID CARRIER HAVING DISPERSED THEREIN, A NORMALLY LIQUID TO SOLID DISPERSIBLE MONOMER CONTAINING THE GROUPING CH2=C=, AN ESSENTIALLY WATER INSOLUBLE STRAIGHT CHAIN CARBOXYLIC ALIPHATIC ACID HAVING A CHAIN LENGTH OF FROM 10 TO 27 CARBON ATOMS AND A LIGHTSENSITIVE FERRIC SALT.
Claim 2
Dependent Claim
56 words
A PHOTOGRAPHIC ELEMENT COMPRISING A SUPPORT HAVING COATED THEREON A PHTOSENSITIVE LAYER COMPRISING A PHOTOGRAPHIC COLLOID CARRIER HAVING DISPERSED THEREIN, A NORMALLY LIQUID TO SOLID DISPERSIBLE MONOMER CONTAINING THE GROUPING CH2=C=, AN ESSENTIALLY WATER INSOLUBLE STRAIGHT CHAIN CARBOXYLIC ALIPHATIC ACID HAVING A CHAIN LENGTH OF FROM 10 TO 27 CARBON ATOMS AND A LIGHTSENSITIVE FERRIC SALT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-17 | 1968-05-18 | 1968-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-17 | 1972-05-18 | 1972-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-17 | 1976-05-18 | 1976-11-17 | $7700.00 | Window Closed / Lapsed |