US2879168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemical ink
Assignee: Eastman Kodak Co
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Filing: 1957-01-24
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Granted: 1959-03-24
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Expires: 1977-01-24
Abstract
No abstract record available.
Inventors
- 👤 Clarence S Hunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:44
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; C09D11/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A COMPOSITION ADAPTED FOR MAKING ON FILM PRODUTS, SAID COMPOSITION BEING COMPRISED OF 80-82% 2-FURALDEHYDE, 1-2% OF CELLULOSE ACETATE BUTYRATE, ABOUT 10% OF YELLOW AZO DYE SOLUBLE IN SAID FURALDEHYDE AND 2-6% OF A BLUE AZO DYE AND AN ORANGE AZO DYE.
Claim 2
Dependent Claim
42 words
A COMPOSITION ADAPTED FOR MAKING ON FILM PRODUTS, SAID COMPOSITION BEING COMPRISED OF 80-82% 2-FURALDEHYDE, 1-2% OF CELLULOSE ACETATE BUTYRATE, ABOUT 10% OF YELLOW AZO DYE SOLUBLE IN SAID FURALDEHYDE AND 2-6% OF A BLUE AZO DYE AND AN ORANGE AZO DYE.
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) | 1962-03-23 | 1962-09-22 | 1963-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-23 | 1966-09-22 | 1967-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-23 | 1970-09-22 | 1971-03-24 | $7700.00 | Window Closed / Lapsed |