US3106438A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brominated 1-hydroxy-4-anilinoanthraquinone dye compounds
Assignee: Eastman Kodak Co
•
Filing: 1959-12-24
•
Granted: 1963-10-08
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Expires: 1979-12-24
Abstract
No abstract record available.
Inventors
- 👤 George F Converse
- 👤 Robert W Kennedy
- 👤 William J Clegg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:34
CPC Classifications
C; C09; C09B; C09B1/00; C09B1/50; C09B1/51; C09B1/514; C09B1/5145; D; D06; D06P; D06P1/00; D06P1/16; D06P1/20; Y; Y10; Y10S; Y10S8/00; Y10S8/908; Y10S8/92; Y10S8/922
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
LINEAR AROMATIC POLYESTER FIBERS DYED WITH AN ANTHRAQUINONE COMPOUND HAVING THE FORMULA:
Claim 2
Dependent Claim
12 words
LINEAR AROMATIC POLYESTER FIBERS DYED WITH AN ANTHRAQUINONE COMPOUND HAVING THE FORMULA:
References Cited (Backward Citations)
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Cited
US2990413A
Cited
US2823212A
Cited
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Cited
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Cited
US2993917A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-07 | 1967-04-08 | 1967-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-07 | 1971-04-08 | 1971-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-07 | 1975-04-08 | 1975-10-08 | $7700.00 | Window Closed / Lapsed |