Patent US3042475A successfully refreshed from Google Patents.
US3042475A
Expired / Lapsed
US
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New dyestuffs and process for colouring textile materials therewith
Assignee: Imperial Chemical Industries Ltd
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Filing: 1959-11-06
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Granted: 1962-07-03
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Expires: 1979-11-06
Abstract
No abstract record available.
Inventors
- 👤 Heslop Robert Norman
- 👤 Mawson Jack Frankland
- 👤 Stephen William Elliot
- 👤 Wardleworth James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:09
CPC Classifications
C; C09; C09B; C09B62/00; C09B62/02; C09B62/20; Y; Y10; Y10S; Y10S8/00; Y10S8/916; Y10S8/917; Y10S8/918; Y10S8/92; Y10S8/924; Y10S8/927
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
PROCESS FOR THE COLORATION OF A TEXTILE MATERIAL SELECTED FROM THE CLASS CONSISTING OF SILK, WOOL, REGENERATED PROTEIN AND CELLULOSE TEXTILE MATERIALS WHICH CONSISTS ESSENTIALLY OF REACTING THE SAID TEXTILE MATERIAL, IN AQUEOUS SOLUTION, WITH A WATER-SOLUBLE DYESTUFF SELECTED FROM THE CLASS CONSISTING OF AZO, ANTHRAQUINONE, PTHTHALOCYANINE AND NITRO-GROUP-SUBSTITUTED WATER-SOLUBLE DYESTUFFS, HAVING A SUBSTITUENT SELECTED FROM THE CLASS CONSISTING OF 2PYRIMIDYLAMINO AND 4-PYRIMIDYLAMINO RADICALS CARRYING HALOGEN SUBSTITUENTS AT THE 4:6- AND 2:6-POSITIONS, RESPECTIVELY, IN CONJUNCTION WITH A TREATMENT OF THE SAID TEXTILE MATERIAL WITH AN ACID-BINDING AGENT.
Claim 2
Dependent Claim
87 words
PROCESS FOR THE COLORATION OF A TEXTILE MATERIAL SELECTED FROM THE CLASS CONSISTING OF SILK, WOOL, REGENERATED PROTEIN AND CELLULOSE TEXTILE MATERIALS WHICH CONSISTS ESSENTIALLY OF REACTING THE SAID TEXTILE MATERIAL, IN AQUEOUS SOLUTION, WITH A WATER-SOLUBLE DYESTUFF SELECTED FROM THE CLASS CONSISTING OF AZO, ANTHRAQUINONE, PTHTHALOCYANINE AND NITRO-GROUP-SUBSTITUTED WATER-SOLUBLE DYESTUFFS, HAVING A SUBSTITUENT SELECTED FROM THE CLASS CONSISTING OF 2PYRIMIDYLAMINO AND 4-PYRIMIDYLAMINO RADICALS CARRYING HALOGEN SUBSTITUENTS AT THE 4:6- AND 2:6-POSITIONS, RESPECTIVELY, IN CONJUNCTION WITH A TREATMENT OF THE SAID TEXTILE MATERIAL WITH AN ACID-BINDING AGENT.
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 |