US2936235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoactivation of aminotriarylmethane dye cyanides
Assignee: Individual
•
Filing: 1957-03-27
•
Granted: 1960-05-10
•
Expires: 1977-03-27
Abstract
No abstract record available.
Inventors
- 👤 Chalkley Lyman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:02
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/72; G03C1/73; G03C1/732; Y; Y10; Y10S; Y10S430/00; Y10S430/141; Y10S430/163
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
A PHOTOSENSITIVE COMPOSITION COMPRISING AN INTIMATE ADMIXTURE OF AN AMINOTRIARYLMETHANE DYE CYANIDE WITH AN ALIPHATIC CARBOXYLIC ACID AMIDE ACTIVATOR.
Claim 2
Dependent Claim
19 words
A PHOTOSENSITIVE COMPOSITION COMPRISING AN INTIMATE ADMIXTURE OF AN AMINOTRIARYLMETHANE DYE CYANIDE WITH AN ALIPHATIC CARBOXYLIC ACID AMIDE ACTIVATOR.
References Cited (Backward Citations)
US2312913A
Cited
US2528496A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-10 | 1963-11-09 | 1964-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-10 | 1967-11-09 | 1968-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-10 | 1971-11-09 | 1972-05-10 | $7700.00 | Window Closed / Lapsed |