US3097910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for dyeing textiles with dyestuffs containing pyrimidine ring
Assignee: Imperial Chemical Industries Ltd
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Filing: 1961-03-16
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Granted: 1963-07-16
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Expires: 1981-03-16
Abstract
No abstract record available.
Inventors
- 👤 Andrew Herbert Francis
- 👤 Poole Victor David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:06
CPC Classifications
C; C09; C09B; C09B62/00; C09B62/02; C09B62/20; D; D06; D06P; D06P1/00; D06P1/38; D06P1/382; Y; Y10; Y10S; Y10S8/00; Y10S8/916; Y10S8/918
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
20 words
PROCESS FOR COLOURING TEXTILE MATERIAL WHICH CONSISTS ESSENTIALLY IN TREATING THE TEXTILE MATERIAL WITH A WATERSOLUBLE DYESTUFF OF THE FORMULA:
Claim 2
Dependent Claim
20 words
PROCESS FOR COLOURING TEXTILE MATERIAL WHICH CONSISTS ESSENTIALLY IN TREATING THE TEXTILE MATERIAL WITH A WATERSOLUBLE DYESTUFF OF THE FORMULA:
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) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |