US2802714A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fugitive tinting with direct dyes and acrylamide polymers
Assignee: Acordis UK Ltd
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Filing: 1953-11-30
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Granted: 1957-08-13
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Expires: 1973-11-30
Abstract
No abstract record available.
Inventors
- 👤 Olpin Henry Charles
- 👤 Wesson Alexander James
- 👤 Mcgill Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:24
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/285; D06P; D06P5/00; D06P5/13; D06P5/138; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/921
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
FUGITIVELY TINTED TEXTILE MATERIAL, WHEREIN THE TINTING AGENT CARRIED BY THE TEXTILE MATERIAL COMPRISES A MIXTURE OF A DIRECT COTTON DYE WITH A WATER-SOLUBLE ADDITION POLYMER OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID AMIDE AND METHACRYLIC ACID AMIDE AND THEIR N-ALKYL DERIVATIVES, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 3000 AND BEING PRESENT IN THE PROPORTION OF FROM 2.5 TO 15 PARTS BY WEIGHT TO EACH PART BY WEIGHT OF ACTUAL DYESTUFF.
Claim 2
Dependent Claim
78 words
FUGITIVELY TINTED TEXTILE MATERIAL, WHEREIN THE TINTING AGENT CARRIED BY THE TEXTILE MATERIAL COMPRISES A MIXTURE OF A DIRECT COTTON DYE WITH A WATER-SOLUBLE ADDITION POLYMER OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID AMIDE AND METHACRYLIC ACID AMIDE AND THEIR N-ALKYL DERIVATIVES, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 3000 AND BEING PRESENT IN THE PROPORTION OF FROM 2.5 TO 15 PARTS BY WEIGHT TO EACH PART BY WEIGHT OF ACTUAL DYESTUFF.
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) | 1960-08-12 | 1961-02-11 | 1961-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-12 | 1965-02-11 | 1965-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-12 | 1969-02-11 | 1969-08-13 | $7700.00 | Window Closed / Lapsed |