US3353958A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic compositions and process
Assignee: EIDP Inc
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Filing: 1964-01-24
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Granted: 1967-11-21
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Expires: 1984-01-24
Abstract
No abstract record available.
Inventors
- 👤 Moede Jerome Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:01
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/795; G03C1/7954; C; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C08J7/046; G03C1/91; G03C1/93; G03C1/95; G03F; G03F1/00; G03F1/68; C08J2367/00; C08J2367/02; C08J2483/00; C08J2483/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A DIMENSIONALLY STBLE DRAFTING FILM COMPRISING (1) A BIAXIALLY-ORIENTED POLYESTER FILM OF AT LEAST ONE DICARBOXYLIC ACID AND AT LEAST ONE DIHYDRIC ALCOHOL HAVING ON AT LEAST ONE SURFACE, IN ORDER (2) AN ESSENTIALLY HYDROPHOBIC VINYLIDENE CHLORIDE COPOLYMER CONTAINING AT LEAST 35% BY WEIGHT OF VINYLIDENE CHLORIDE AND (3) A HYDROPHOBIC FILM LAYER OF METHYL METHACRYLATE POLYMER HAVING A TUKON FILM HARDNESS ABOVE 10 KHN, SAID FILM CONTAINING UP TO 1 PART BY WEIGHT OF MATTING AGENTS PER 1 PART OF SAID ACRYLATE POLYMER AND A SILICA HYDROSOL HAVING ABOUT 3 TO 25% OF SILICON DIOXIDE BASED UPON THE WEIGHT OF SAID ACRYLATE POLYMER.
Claim 2
Dependent Claim
104 words
A DIMENSIONALLY STBLE DRAFTING FILM COMPRISING (1) A BIAXIALLY-ORIENTED POLYESTER FILM OF AT LEAST ONE DICARBOXYLIC ACID AND AT LEAST ONE DIHYDRIC ALCOHOL HAVING ON AT LEAST ONE SURFACE, IN ORDER (2) AN ESSENTIALLY HYDROPHOBIC VINYLIDENE CHLORIDE COPOLYMER CONTAINING AT LEAST 35% BY WEIGHT OF VINYLIDENE CHLORIDE AND (3) A HYDROPHOBIC FILM LAYER OF METHYL METHACRYLATE POLYMER HAVING A TUKON FILM HARDNESS ABOVE 10 KHN, SAID FILM CONTAINING UP TO 1 PART BY WEIGHT OF MATTING AGENTS PER 1 PART OF SAID ACRYLATE POLYMER AND A SILICA HYDROSOL HAVING ABOUT 3 TO 25% OF SILICON DIOXIDE BASED UPON THE WEIGHT OF SAID ACRYLATE POLYMER.
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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |