US3042477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New colouration process
Assignee: Imperial Chemical Industries Ltd
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Filing: 1957-06-10
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Granted: 1962-07-03
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Expires: 1977-06-10
Abstract
No abstract record available.
Inventors
- 👤 Hadfield Harry Rose
- 👤 Ricketts Ronald Herbert
- 👤 Simons Joseph
- 👤 Stephen William Elliot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:22
CPC Classifications
C; C09; C09B; C09B62/00; C09B62/02; C09B62/04; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/924; Y10S8/926; Y10S8/927
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
PROCESS FOR THE COLORATION OF ARTIFICIAL FIBERS, SELECTED FROM THE CLASS CONSISTING OF POLYAMIDES, POLYURETHANES, POLYACRYLONITRILES, AND POLYVINYL ALCOHOL FIBERS WHICH COMPRISES APPLYING THERETO AN AQUEOUS SUSPENSION OF A WATER-INSOLUBLE DYESTUFF CONSISTING ESSENTIALLY OF A DYESTUFF CHROMOPHORIC GROUP SELECTED FROM THE CLASS CONSISTING OF NITRO, AZO, AND ANTHRAQUINONE DYESTUFF SERIES, AND CONTAINING A HALOGENO-1:3:5-TRIAZIN-2-YLAMINO GROUP HAVING FROM 1 TO 2 HALOGEN ATOMS ATTACHED TO THE TRIAZINE RING.
Claim 2
Dependent Claim
67 words
PROCESS FOR THE COLORATION OF ARTIFICIAL FIBERS, SELECTED FROM THE CLASS CONSISTING OF POLYAMIDES, POLYURETHANES, POLYACRYLONITRILES, AND POLYVINYL ALCOHOL FIBERS WHICH COMPRISES APPLYING THERETO AN AQUEOUS SUSPENSION OF A WATER-INSOLUBLE DYESTUFF CONSISTING ESSENTIALLY OF A DYESTUFF CHROMOPHORIC GROUP SELECTED FROM THE CLASS CONSISTING OF NITRO, AZO, AND ANTHRAQUINONE DYESTUFF SERIES, AND CONTAINING A HALOGENO-1:3:5-TRIAZIN-2-YLAMINO GROUP HAVING FROM 1 TO 2 HALOGEN ATOMS ATTACHED TO THE TRIAZINE RING.
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) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |