US3205072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sensitive compositions
Assignee: Miehle Goss Dexter Inc
•
Filing: 1960-07-13
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Granted: 1965-09-07
•
Expires: 1980-07-13
Abstract
No abstract record available.
Inventors
- 👤 Meyer S Agruss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:58
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/675; G03C1/72; G03C1/73; G03C1/732
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A PHOTOSENSITIVE COMPOSITION, SENSITIVE TO ULTRAVIOLET LIGHT, COMPRISING A LEUCOCYANIDE OF A NAPHTHYL METHANE DYE SELECTED FROM THE GROUP CONSISTING OF DIPHENYL-MONONAPHTHYL METHANE DYES, MONOPHENYL-DINAPHTHYL METHANE DYES AND TRINAPHTHYL METHANE DYES, AND, AS AN ACTIVATOR THEREFOR, A STRONGLY ACID NON-OXIDIZING COMPOUND HAVING AT LEAST ONE CARBOXYLIC ACID GROUP AND AT LEAST ONE ALCOHOLIC HYDROXYL GROUP.
Claim 2
Dependent Claim
55 words
A PHOTOSENSITIVE COMPOSITION, SENSITIVE TO ULTRAVIOLET LIGHT, COMPRISING A LEUCOCYANIDE OF A NAPHTHYL METHANE DYE SELECTED FROM THE GROUP CONSISTING OF DIPHENYL-MONONAPHTHYL METHANE DYES, MONOPHENYL-DINAPHTHYL METHANE DYES AND TRINAPHTHYL METHANE DYES, AND, AS AN ACTIVATOR THEREFOR, A STRONGLY ACID NON-OXIDIZING COMPOUND HAVING AT LEAST ONE CARBOXYLIC ACID GROUP AND AT LEAST ONE ALCOHOLIC HYDROXYL GROUP.
References Cited (Backward Citations)
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Cited
US2895892A
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US2855303A
Cited
US2829052A
Cited
US2877166A
Cited
US2951855A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |