US3109736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light-sensitive merocyanine dye base compositions
Assignee: Horizons Inc
•
Filing: 1962-04-06
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Granted: 1963-11-05
•
Expires: 1982-04-06
Abstract
No abstract record available.
Inventors
- 👤 Robert H Sprague
- 👤 Joseph J Urbascik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:31
CPC Classifications
C; C09; C09B; C09B23/00; C09B23/0075; G; G03; G03C; G03C1/00; G03C1/675
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A PHOTOSENSITIVE COMPOSITION IN THE FORM OF A DRIED FILM COMPRISING A MIXTURE CONTAINING A MEROCYANINE DYE BASE AND AN ORGANIC HALOGEN COMPOUND WHICH INCREASES THE PHOTOSENSITIVITY OF SAID MEROCYANINE DYE BASE TO VISIBLE LIGHT, THE MEROCYANINE DYE BASE IN SAID MIXTURE BEING SELECTED FROM THE GROUP CHARACTERIZED BY THE FOLLOWING GENERAL FORMULA
Claim 2
Dependent Claim
53 words
A PHOTOSENSITIVE COMPOSITION IN THE FORM OF A DRIED FILM COMPRISING A MIXTURE CONTAINING A MEROCYANINE DYE BASE AND AN ORGANIC HALOGEN COMPOUND WHICH INCREASES THE PHOTOSENSITIVITY OF SAID MEROCYANINE DYE BASE TO VISIBLE LIGHT, THE MEROCYANINE DYE BASE IN SAID MIXTURE BEING SELECTED FROM THE GROUP CHARACTERIZED BY THE FOLLOWING GENERAL FORMULA
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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) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |