US3143418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vesicular image-forming coatings comprising a light-sensitive carbazido
Assignee: Eastman Kodak Co
•
Filing: 1961-05-01
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Granted: 1964-08-04
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Expires: 1981-05-01
Abstract
No abstract record available.
Inventors
- 👤 William J Priest
- 👤 James A Van Allan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:15
CPC Classifications
C; C07; C07C; C07C247/00; G; G03; G03C; G03C5/00; G03C5/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A PROCESS FOR FORMING A VESICULAR IMAGE IN A LIGHTSENSITIVE VESICULAR-IMAGE-FORMING LAYER COATED ON A SUPPORT, SAID PROCESS COMPRISING THE STEPS OF: (1) EXPOSING SAID LAYER TO LIGHT THROUGH AN ORIGINAL IMAGE, TO PRODUCE AN IMAGEWISE RELEASE OF NITROGEN GAS AND A NONREACTIVE NONGASEOUS PHOTOLYSIS PRODUCT WHICH HAS NO ABSORBTION OF SAID LIGHT, SAID NITROGEN GAS AND NONGASEOUS PHOTOLYSIS PRODUCT BEING RELEASED FROM A LIGHT-SENSITIVE COMPOUND SELECTED FROM THOSE HAVING THE FORULAS:
Claim 2
Dependent Claim
72 words
A PROCESS FOR FORMING A VESICULAR IMAGE IN A LIGHTSENSITIVE VESICULAR-IMAGE-FORMING LAYER COATED ON A SUPPORT, SAID PROCESS COMPRISING THE STEPS OF: (1) EXPOSING SAID LAYER TO LIGHT THROUGH AN ORIGINAL IMAGE, TO PRODUCE AN IMAGEWISE RELEASE OF NITROGEN GAS AND A NONREACTIVE NONGASEOUS PHOTOLYSIS PRODUCT WHICH HAS NO ABSORBTION OF SAID LIGHT, SAID NITROGEN GAS AND NONGASEOUS PHOTOLYSIS PRODUCT BEING RELEASED FROM A LIGHT-SENSITIVE COMPOUND SELECTED FROM THOSE HAVING THE FORULAS:
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) | 1967-08-04 | 1968-02-03 | 1968-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-04 | 1972-02-03 | 1972-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-04 | 1976-02-03 | 1976-08-04 | $7700.00 | Window Closed / Lapsed |