US3096311A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymeric azides and azidophthalic anhydrides
Assignee: Eastman Kodak Co
•
Filing: 1955-07-29
•
Granted: 1963-07-02
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Expires: 1975-07-29
Abstract
No abstract record available.
Inventors
- 👤 Stewart H Merrill
- 👤 Cornelius C Unruh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:46
CPC Classifications
C; C08; C08F; C08F8/00; C08F8/30; C08F2800/00; C08F2800/10; Y; Y10; Y10S; Y10S8/00; Y10S8/17
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A FILM-FORMING ORGANIC POLYMER WHICH BECOMES IN SOLUBLE ON EXPOSURE TO LIGHT SELECTED FROM THE GROUP CONSISTING OF (1) AN AZIDOSTYRENE POLYMER CONTAINING AT LEAST 5 MOLE PERCENT OF A RECURRING STRUCTURAL UNIT REPRESENTED BY THE FOLLOWING GENERAL FORMULA:
Claim 2
Dependent Claim
39 words
A FILM-FORMING ORGANIC POLYMER WHICH BECOMES IN SOLUBLE ON EXPOSURE TO LIGHT SELECTED FROM THE GROUP CONSISTING OF (1) AN AZIDOSTYRENE POLYMER CONTAINING AT LEAST 5 MOLE PERCENT OF A RECURRING STRUCTURAL UNIT REPRESENTED BY THE FOLLOWING GENERAL FORMULA:
References Cited (Backward Citations)
US2714066A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |