US2603564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light sensitive diazotype layer containing a white opacifying pigment
Assignee: GAF Chemicals Corp
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Filing: 1948-09-21
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Granted: 1952-07-15
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Expires: 1968-09-21
Abstract
No abstract record available.
Inventors
- 👤 William J Maxcy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:13
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/52; G03C1/61
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
DIAZOTYPE PHOTOPRINTING MATERIAL COMPRISING A SUPPORTING BASE, AND A LIGHT-SENSITIVE DIZAOTYPE LAYER ON THE SURFACE OF THE BASE COMPRISING A MOISTURE-INSENSITIVE TRANSPARENT PLASTIC BINDER, A DIAZOTYPE SENSITIZING COMPOSITION INCLUDING AN AZO COUPLING COMPONENT AND A LIGHT-SENSITIVE DIAZO COMPOUND, STABILIZED AGAINST PREMATURE COUPLING, AND A SUBSTANTIALLY WHITE OPACIFYING PIGMENT IN AN AMOUNT RENDERING THE RESULTING LAYER HIGHLY OPAQUE, SAID PIGMENT AND SAID DIAZOTYPE COMPOSITION BEING UNIFORMLY DISTRIBUTED IN THE SAID BINDER THE AMOUNT OF SAID PIGMENT BEING AT LEST 50% BY WEIGHT OF THE LAYER, AND THE AMOUNT OF SAID LIGHT-SENSITIVE DIAZO COMPOUND BEING NOT MORE THAN 10% BY WEIGHT OF THE COMPONENTS OF THE LAYER, EXCLUSIVE OF THE PIGMENT.
Claim 2
Dependent Claim
109 words
DIAZOTYPE PHOTOPRINTING MATERIAL COMPRISING A SUPPORTING BASE, AND A LIGHT-SENSITIVE DIZAOTYPE LAYER ON THE SURFACE OF THE BASE COMPRISING A MOISTURE-INSENSITIVE TRANSPARENT PLASTIC BINDER, A DIAZOTYPE SENSITIZING COMPOSITION INCLUDING AN AZO COUPLING COMPONENT AND A LIGHT-SENSITIVE DIAZO COMPOUND, STABILIZED AGAINST PREMATURE COUPLING, AND A SUBSTANTIALLY WHITE OPACIFYING PIGMENT IN AN AMOUNT RENDERING THE RESULTING LAYER HIGHLY OPAQUE, SAID PIGMENT AND SAID DIAZOTYPE COMPOSITION BEING UNIFORMLY DISTRIBUTED IN THE SAID BINDER THE AMOUNT OF SAID PIGMENT BEING AT LEST 50% BY WEIGHT OF THE LAYER, AND THE AMOUNT OF SAID LIGHT-SENSITIVE DIAZO COMPOUND BEING NOT MORE THAN 10% BY WEIGHT OF THE COMPONENTS OF THE LAYER, EXCLUSIVE OF THE PIGMENT.
References Cited (Backward Citations)
US314346A
Cited
GB318511A
Cited
GB332552A
Cited
GB361873A
Cited
US1870930A
Cited
US2157206A
Cited
GB504283A
Cited
US2405523A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-15 | 1956-01-14 | 1956-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-15 | 1960-01-14 | 1960-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-15 | 1964-01-14 | 1964-07-15 | $7700.00 | Window Closed / Lapsed |