US3184308A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for treating leucocyanide dye images and product thereof
Assignee: Individual
•
Filing: 1962-05-23
•
Granted: 1965-05-18
•
Expires: 1982-05-23
Abstract
No abstract record available.
Inventors
- 👤 Meyer S Agruss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:44
CPC Classifications
G; G03; G03C; G03C5/00; G03C5/56; C; C09; C09B; C09B11/00; C09B11/04; G03C1/00; G03C1/72; G03C1/73; G03C1/732
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A PROCESS FOR TREATING LEUCOCYANIDE DYES ON A SUBSTRATE, SAID DYES BEING CONVERTIBLE BY EXPOSURE TO SHORT WAVE LENGTH RADITION FROM A COLORLESS FORM TO A COLORED FORM TO RENDER SUCH DYES INSENSITIVE TO SUCH CONVERSION UPON SHORT WAVE LENGTH RADIATION EXPOSURE COMPRISING CONTACTING SAID DYE ON SAID SUBSTRATE WITH A TETRA-ESTER HAVING THE FORMULA:
Claim 2
Dependent Claim
55 words
A PROCESS FOR TREATING LEUCOCYANIDE DYES ON A SUBSTRATE, SAID DYES BEING CONVERTIBLE BY EXPOSURE TO SHORT WAVE LENGTH RADITION FROM A COLORLESS FORM TO A COLORED FORM TO RENDER SUCH DYES INSENSITIVE TO SUCH CONVERSION UPON SHORT WAVE LENGTH RADIATION EXPOSURE COMPRISING CONTACTING SAID DYE ON SAID SUBSTRATE WITH A TETRA-ESTER HAVING THE FORMULA:
References Cited (Backward Citations)
US2324060A
Cited
US2536657A
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US2933475A
Cited
US2855303A
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US2855300A
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US3008858A
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US3131062A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-17 | 1968-11-16 | 1969-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-17 | 1972-11-16 | 1973-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-17 | 1976-11-16 | 1977-05-18 | $7700.00 | Window Closed / Lapsed |