US3748142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic coatings containing a water insoluble ionizable partial salt of collagen
Assignee: Avicon Inc
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Filing: 1971-10-15
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Granted: 1973-07-24
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Expires: 1991-10-15
Abstract
Abstract PHOTOGRAPHIC FILMS, PLATES AND PAPERS HAVING A SELFADHERENT COATING OF A WATER-INSOLUBLE, IONIZABLE PARTIAL SALT OF COLLAGEN DEPOSITED THEREON FROM A DISPERSION OF THE SALT CONTAINING PHOTOSENSITIVE SUBSTANCES. COLLAGEN CROSS-LINKING AGENTS MAY BE INCLUDED IN THE COATING COMPOSITIONS SO AS TO ENHANCE THE PHYSICAL PROPERTIES OF THE COATINGS.
Inventors
- 👤 O Battista
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:23
CPC Classifications
A; A61; A61Q; A61Q19/00; A22; A22C; A22C13/00; A22C13/0013; A22C13/0016; A23; A23B; A23B5/00; A23B5/06; A23B7/00; A23B7/16; A23J; A23J3/00; A23J3/04; A23J3/06; A23P; A23P20/00; A23P20/10; A61K; A61K47/00; A61K47/30; A61K47/42; A61K8/00; A61K8/18; A61K8/30; A61K8/64; A61K8/65; C; C08; C08H; C08H1/00; C08H1/06; C08L; C08L89/00; C08L89/04; C08L89/06; C09; C09H; C09H11/00; C09H5/00; D; D06; D06M; D06M15/00; D06M15/01; D06M15/15; D21; D21H; D21H19/00; D21H19/10; G; G03; G03C; G03C1/00; G03C1/005; G03C1/04; G03C1/047; G03C1/76; G03C1/91; G03C1/93; A22C2013/0079; A61K2800/00; A61K2800/40; A61K2800/41; A61K2800/412; A61Q11/00; A61Q15/00; A61Q17/00; A61Q17/04; A61Q19/10; A61Q5/00; A61Q5/06; A61Q9/00; A61Q9/02; Y; Y10; Y10S; Y10S426/00; Y10S426/808; Y10T; Y10T428/00; Y10T428/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1976-07-23 | 1977-01-22 | 1977-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-23 | 1981-01-22 | 1981-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-23 | 1985-01-22 | 1985-07-24 | $7700.00 | Window Closed / Lapsed |