Patent US2940812A successfully refreshed from Google Patents.
US2940812A
Expired / Lapsed
US
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New textile treatment process
Assignee: Imperial Chemical Industries Ltd
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Filing: 1957-11-18
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Granted: 1960-06-14
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Expires: 1977-11-18
Abstract
No abstract record available.
Inventors
- 👤 Denyer Ronald Leonard
- 👤 Hadfield Harry Rose
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:28
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/62; D06P1/628; D06P1/64; D06P1/642; D06P1/6426; Y; Y10; Y10S; Y10S8/00; Y10S8/916; Y10S8/917; Y10S8/92; Y10S8/921; Y10S8/924; Y10S8/927
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A PROCESS FOR THE COLORATION OF TEXTILE MATERIAL MADE FROM FIBERS OF THE CLASS CONSISTING OF PROTEIN AND ARTIFICIALLY-PRODUCED FIBERS, WHICH COMPRISES TREATING SAID TEXTILE MATERIAL WITH AN AQUEOUS SOLUTION OF A HETEROCYCLIC COMPOUND SELECTED FROM THE CLASS CONSISTING OF DIHALOGENO-TRIAZINE AND DIHALOGENO-PYRIMIDINE WATER-SOLUBLE COMPOUNDS AND WITH A DYESTUFF HAVING AN AMINO GROUPHYDROGEN ATOM WHICH CAN BE READILY REPLACED BY TREATMENT WITH CYANURIC CHLORIDE AQUEOUS MEDIUM AT 20*C.
Claim 2
Dependent Claim
68 words
A PROCESS FOR THE COLORATION OF TEXTILE MATERIAL MADE FROM FIBERS OF THE CLASS CONSISTING OF PROTEIN AND ARTIFICIALLY-PRODUCED FIBERS, WHICH COMPRISES TREATING SAID TEXTILE MATERIAL WITH AN AQUEOUS SOLUTION OF A HETEROCYCLIC COMPOUND SELECTED FROM THE CLASS CONSISTING OF DIHALOGENO-TRIAZINE AND DIHALOGENO-PYRIMIDINE WATER-SOLUBLE COMPOUNDS AND WITH A DYESTUFF HAVING AN AMINO GROUPHYDROGEN ATOM WHICH CAN BE READILY REPLACED BY TREATMENT WITH CYANURIC CHLORIDE AQUEOUS MEDIUM AT 20*C.
References Cited (Backward Citations)
GB209723A
Cited
US2820785A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |