Patent EP0101579A2 successfully refreshed from Google Patents.
Patent US3556709A successfully refreshed from Google Patents.
US3556709A
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US
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Polyolefin fiber dyeing with an arylazo 8-hydroxy-quinoline-5-sulfonic acid and fibers so dyed
Assignee: PRODUITS CHIMIQUES UGINE KUKLMANN
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Filing: 1967-09-27
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Granted: 1971-01-19
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Expires: 1987-09-27
Abstract
Abstract THE COLORATION OF FIBERS OF ALPHA OLEFIN POLYMERS CONTAINING METALS, WITH A PHENYLAZO-8-HYDROXYQUINOLINE-5SULFONATE WITH OR WITHOUT A 6-METHYL GROUP IN THE QUINOLINE RADICAL. THE PHENYL GROUP MAY BE SUBSTITUTED BY HALOGEN, METHYL, ALKOXY, NITRO OR CYANO GROUPS. THE FIBERS ARE EXEMPLIFIED WITH POLYPROPYLENE WITH NICKEL SALTS.
Inventors
- 👤 Marcel Georges Jirou
- 👤 Joseph Khachoyan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:08
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/79; D06P3/795; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/928
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |