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US3179518A
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Presensitized printing foil having as a coating thereon a light-sensitive diazo compound with polyvinyl phosphonic acid
Assignee: Azoplate Corp
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Filing: 1963-03-01
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Granted: 1965-04-20
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Expires: 1983-03-01
Abstract
No abstract record available.
Inventors
- 👤 Sus Oskar
- 👤 Rebenstock August
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:44
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/038; G03F7/0388; C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4071; C07F9/4075; C08; C08F; C08F30/00; C08F30/02; C09; C09D; C09D143/00; C09D143/02; G03F7/016; G03F7/021; G03F7/0212; G03F7/027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
A PRESENITIZED PRINTING PLATE WHICH COMPRISES A BASE MATERIAL HAVING A COATING THEREON, THE COATING COMPRISING A LIGHT-SENSITIVE DIAZO COMPOUND AND POLYVINYL PHOSPHONIC ACID.
Claim 2
Dependent Claim
24 words
A PRESENITIZED PRINTING PLATE WHICH COMPRISES A BASE MATERIAL HAVING A COATING THEREON, THE COATING COMPRISING A LIGHT-SENSITIVE DIAZO COMPOUND AND POLYVINYL PHOSPHONIC ACID.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |