US3046131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic material containing light sensitive quinone diazides
Assignee: Azoplate Corp
•
Filing: 1958-02-14
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Granted: 1962-07-24
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Expires: 1978-02-14
Abstract
No abstract record available.
Inventors
- 👤 Schmidt Maximilian Paul
- 👤 Rebenstock August
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:53
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/09; G03F7/092; G03F7/022; G03F7/0226; Y; Y10; Y10S; Y10S430/00; Y10S430/162; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31844
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
LAMINATED MATERIAL FOR USE IN PHOTOGRAPHY CONSISTING OF A SUPPORT LAYER, AN INTERMEDIATE LAYER OF LIGHT SENSITIVE MATERIAL COMPRISING A WATER INSOLUBLE QUINONE DIAZIDE, AND A TOP COAT CONSISTING ESSENTIALLY OF A SUBSTANCE OF THE GROUP CONSISTING OF DEXTRINE, GUM ARABIC, MESQUITE GUM, WATER-SOLUBLE SALT OF THE GROUP CONSISTING OF PECTIC ACID AND ALGINIC ACID, WATER SOLUBLE CELLULOSE ETHER, WATER SOLUBLE SALT OF CARBOXY ALKYL CELLULOSE, WATER SOLUBLE SALT OF CARBOXY ALKYL STARCH, GLUE, ALBUMEN, PEPTON, WATER SOLUBLE, CASEINATE, POLYVINYLALCOHOL, POLYVINYLPYRROLIDONE, POLYACRYLAMIDE, AND WATER SOLUBLE SALT OF POLYACRYLIC ACID.
Claim 2
Dependent Claim
89 words
LAMINATED MATERIAL FOR USE IN PHOTOGRAPHY CONSISTING OF A SUPPORT LAYER, AN INTERMEDIATE LAYER OF LIGHT SENSITIVE MATERIAL COMPRISING A WATER INSOLUBLE QUINONE DIAZIDE, AND A TOP COAT CONSISTING ESSENTIALLY OF A SUBSTANCE OF THE GROUP CONSISTING OF DEXTRINE, GUM ARABIC, MESQUITE GUM, WATER-SOLUBLE SALT OF THE GROUP CONSISTING OF PECTIC ACID AND ALGINIC ACID, WATER SOLUBLE CELLULOSE ETHER, WATER SOLUBLE SALT OF CARBOXY ALKYL CELLULOSE, WATER SOLUBLE SALT OF CARBOXY ALKYL STARCH, GLUE, ALBUMEN, PEPTON, WATER SOLUBLE, CASEINATE, POLYVINYLALCOHOL, POLYVINYLPYRROLIDONE, POLYACRYLAMIDE, AND WATER SOLUBLE SALT OF POLYACRYLIC 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) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |