US3022169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Matting of photographic layers
Assignee: Agfa Gevaert NV
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Filing: 1959-03-04
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Granted: 1962-02-20
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Expires: 1979-03-04
Abstract
No abstract record available.
Inventors
- 👤 Heckelmann Karlheinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:46
CPC Classifications
C; C08; C08L; C08L69/00; G; G03; G03C; G03C1/00; G03C1/76; G03C1/95; Y; Y10; Y10S; Y10S430/00; Y10S430/151; Y10S430/162
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A LIGH-SENSITIVE PHOTOGRAPHICH MATERIAL COMPRISING IN COMBINATION A SUPPORT, A LIGHT-SENSITIVE SILVER HALIDE EMULSION LAYER AND PARTICLES 0.1 TO 5 MICRONS IN SIZE OF A THERMOPLASTIC LINEAR POLYCARBONATE OF A DIHYDRIC PHENOL DISPERSED IN A HYDROPHILLIC BINDING LAYER, SAID POLYCARBONATE HAVING A LINEAR CHAIN LENGTH OF MORE THAN 10 CARBONATE UNITS AND THE PARTICLES VEING PRESENT IN AMOUNT THAT FORMS A MATTE SURFACE ON THE BINDING LAYER.
Claim 2
Dependent Claim
67 words
A LIGH-SENSITIVE PHOTOGRAPHICH MATERIAL COMPRISING IN COMBINATION A SUPPORT, A LIGHT-SENSITIVE SILVER HALIDE EMULSION LAYER AND PARTICLES 0.1 TO 5 MICRONS IN SIZE OF A THERMOPLASTIC LINEAR POLYCARBONATE OF A DIHYDRIC PHENOL DISPERSED IN A HYDROPHILLIC BINDING LAYER, SAID POLYCARBONATE HAVING A LINEAR CHAIN LENGTH OF MORE THAN 10 CARBONATE UNITS AND THE PARTICLES VEING PRESENT IN AMOUNT THAT FORMS A MATTE SURFACE ON THE BINDING LAYER.
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) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |