US3202510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of encapsulated light-sensitive diazotype compositions and coatings
Assignee: Frederick Post Co
•
Filing: 1961-07-11
•
Granted: 1965-08-24
•
Expires: 1981-07-11
Abstract
No abstract record available.
Inventors
- 👤 Walter G Hollmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:18
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A LIGHT-SENSITIVE DIAZOTYPE COMPOSITION IN A DRY COAT ON A CARRIER BASE COMPRISING ALL THE INGREDIENTS WHICH TOGETHER EFFECT THE FORMATION OF AN IMAGE AT AN ELEVATED TEMPERATURE, INCLUDING A SOLID LIGHT-SENSITIVE DIAZO COMPOUND AND A SOLID COUPLING AGENT THEREFOR, AT LEAST ONE OF THE INGREDIENTS BEING ENCAPSULATED FINELY DIVIDED PARTICLES THEREOF WITHIN SHELLS OF NORMALLY SOLID FILM-FORMING MATERIAL WHICH MELTS AT SAID ELEVATED TEMPERATURE.
Claim 2
Dependent Claim
65 words
A LIGHT-SENSITIVE DIAZOTYPE COMPOSITION IN A DRY COAT ON A CARRIER BASE COMPRISING ALL THE INGREDIENTS WHICH TOGETHER EFFECT THE FORMATION OF AN IMAGE AT AN ELEVATED TEMPERATURE, INCLUDING A SOLID LIGHT-SENSITIVE DIAZO COMPOUND AND A SOLID COUPLING AGENT THEREFOR, AT LEAST ONE OF THE INGREDIENTS BEING ENCAPSULATED FINELY DIVIDED PARTICLES THEREOF WITHIN SHELLS OF NORMALLY SOLID FILM-FORMING MATERIAL WHICH MELTS AT SAID ELEVATED TEMPERATURE.
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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) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |