Patent US3322541A successfully refreshed from Google Patents.
US3322541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light sensitive coatings with tanning properties
Assignee: Azoplate Corp
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Filing: 1964-09-24
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Granted: 1967-05-30
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Expires: 1984-09-24
Abstract
No abstract record available.
Inventors
- 👤 Reichel Maximilian Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:16
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/016; G03F7/0166; G03F7/12
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
24 words
LIGHT-SENSITIVE MATERIAL COMPRISING A CARRIER AND A COLLOID LAYER, THE LATTER INCLUDING AT LEAST ONE ALDEHYDE AND AT LEASST ONE TRIAZENE HAVING THE FORMULA
Claim 2
Dependent Claim
24 words
LIGHT-SENSITIVE MATERIAL COMPRISING A CARRIER AND A COLLOID LAYER, THE LATTER INCLUDING AT LEAST ONE ALDEHYDE AND AT LEASST ONE TRIAZENE HAVING THE FORMULA
Claim 3
Dependent Claim
55 words
A PROCESS FOR DEVELOPING LIGHT-SENSITIVE MATERIAL WHICH COMPRISES EXPOSING A SUPPORTED COLLOID LAYER TO A LIGHT IMAGE AND REMIVING FROM THE SUPPORT THOSE PORTIONS OF THE COLLOID LAYER WHICH WERE NOT STRUCK BY LIGHT BY TREATMENT WITH A SOLVENT, THE COLLOID LAYER INCLUDING AT LEAST ONE ALDEHYDE AND AT LEAST ONE TRIAZENE HAVING THE FORMULA
Claim 4
Dependent Claim
55 words
A PROCESS FOR DEVELOPING LIGHT-SENSITIVE MATERIAL WHICH COMPRISES EXPOSING A SUPPORTED COLLOID LAYER TO A LIGHT IMAGE AND REMIVING FROM THE SUPPORT THOSE PORTIONS OF THE COLLOID LAYER WHICH WERE NOT STRUCK BY LIGHT BY TREATMENT WITH A SOLVENT, THE COLLOID LAYER INCLUDING AT LEAST ONE ALDEHYDE AND AT LEAST ONE TRIAZENE HAVING THE FORMULA
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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) | 1970-05-29 | 1970-11-28 | 1971-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-29 | 1974-11-28 | 1975-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-29 | 1978-11-28 | 1979-05-30 | $7700.00 | Window Closed / Lapsed |