US3260689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyester and polyamide compositions having improved dyeing properties and processesfor the production of such compositions
Assignee: Eastman Kodak Co
•
Filing: 1960-05-27
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Granted: 1966-07-12
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Expires: 1980-05-27
Abstract
No abstract record available.
Inventors
- 👤 Charles J Kibler
- 👤 Bell Alan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:51
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/098
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A NORMALLY SOLID POLYMERIC COMPOSITION CAPABLE OF BEING SHAPED INTO FIBERS HAVING IMPROVED DYEING PROPERTIES COMPRISING A LINEAR CONDENSATION POLYMER SELECTED FROM THE GROUP CONSISTING OF LINEAR POLYESTERS AND LINEAR POLYAMIDES HAVING UNIFORMLY DISPERSED THEREIN FROM 0.1 TO 2% BY WEIGHT, CALCULATED AS METAL, OF A FATTY ACID SALT OF A METAL SELECTED FROM THE GROUP CONSISTING OF NICKEL, COBALT, AND CHROMIUM; SAID FATTY ACID SALT CONTAINING 4 TO 20 CARBON ATOMS AND HAVING A MELTING POINT NO HIGHER THAN THE TEMPERATURE AT WHICH THE POLYMERIC COMPOSITION IS SPUN INTO A FIBER.
Claim 2
Dependent Claim
92 words
A NORMALLY SOLID POLYMERIC COMPOSITION CAPABLE OF BEING SHAPED INTO FIBERS HAVING IMPROVED DYEING PROPERTIES COMPRISING A LINEAR CONDENSATION POLYMER SELECTED FROM THE GROUP CONSISTING OF LINEAR POLYESTERS AND LINEAR POLYAMIDES HAVING UNIFORMLY DISPERSED THEREIN FROM 0.1 TO 2% BY WEIGHT, CALCULATED AS METAL, OF A FATTY ACID SALT OF A METAL SELECTED FROM THE GROUP CONSISTING OF NICKEL, COBALT, AND CHROMIUM; SAID FATTY ACID SALT CONTAINING 4 TO 20 CARBON ATOMS AND HAVING A MELTING POINT NO HIGHER THAN THE TEMPERATURE AT WHICH THE POLYMERIC COMPOSITION IS SPUN INTO A FIBER.
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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) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |