US3072482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Subbed photographically sensitive film element
Assignee: Keuffel and Esser Co
•
Filing: 1958-01-10
•
Granted: 1963-01-08
•
Expires: 1978-01-10
Abstract
No abstract record available.
Inventors
- 👤 Allan R A Beeber
- 👤 Kosar Jaromir
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:34
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/91; G03C1/93; G03C1/52; G03C1/60
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
76 words
A PHOTOSENSITIVE MATERIAL COMPRISING A THIN LAYER HAVING AS AN ESSENTIAL COMPONENT AT LEAST ONE COMPONENT FROM THE GROUP CONSISTING OF POLYVINYL METHYL ETHERMALEIC ANHYDRIDE AND ITS ESTERS, AN ORGANIC SOLVENT SOLUBLE HYDROPHOBIC LAYER IN DIRECT BONDED ADHERENT CONTACT WITH ONE SIDE OF SAID THIN LAYER, A GELATIN LAYER IN DIRECT BONDED CONTACT WITH THE OTHER SIDE OF SAID THIN LAYER AND A PHOTOSENSITIVE COMPONENT CARRIED BY ONE OF THE OUTERMOST LAYERS OF SAID PHOTOSENSITIVE MATERIAL.
Claim 2
Dependent Claim
76 words
A PHOTOSENSITIVE MATERIAL COMPRISING A THIN LAYER HAVING AS AN ESSENTIAL COMPONENT AT LEAST ONE COMPONENT FROM THE GROUP CONSISTING OF POLYVINYL METHYL ETHERMALEIC ANHYDRIDE AND ITS ESTERS, AN ORGANIC SOLVENT SOLUBLE HYDROPHOBIC LAYER IN DIRECT BONDED ADHERENT CONTACT WITH ONE SIDE OF SAID THIN LAYER, A GELATIN LAYER IN DIRECT BONDED CONTACT WITH THE OTHER SIDE OF SAID THIN LAYER AND A PHOTOSENSITIVE COMPONENT CARRIED BY ONE OF THE OUTERMOST LAYERS OF SAID PHOTOSENSITIVE MATERIAL.
Claim 3
Dependent Claim
54 words
THE PHOTOSENSITIVE MATERIAL ACCORDING TO CLAIM 1 IN WHICH THE GELATIN LAYER IS IN DIRECT BONDED CONTACT WITH TRANSPARENTIZED PAPER BASE, AND SAID HYDROPHOBIC LAYER IS CELLULOSE ACETATE, SAID CELLULOSE ACETATE HAVING ITS OUTER SURFACE SAPONIFIED AND SAID PHOTOSENSITIVE COMPONENT BEING A DIAZO COMPOUND INCORPORATED IN SAID OUTER SAPONIFIED SURFACE OF SAID CELLULOSE ACETATE.
References Cited (Backward Citations)
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US2334215A
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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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |