US2770518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dyed textile materials and method of making
Assignee: Celanese Corp
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Filing: 1952-10-20
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Granted: 1956-11-13
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Expires: 1972-10-20
Abstract
No abstract record available.
Inventors
- 👤 Anthony B Conciatori
- 👤 Victor S Salvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:38
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/52; D06P1/5207; D06P1/525; D06P1/5257; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/921; Y10S8/924
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
PROCESS FOR IMPROVING THE RESISTANCE TO GAS FADING OF A DYED TEXTILE MATERIAL HAVING A BASIS OF AN ESTER SELECTED FROM THE GROUP CONSISTING OF CELLULOSE ACETATE AND POLYETHYLENE TEREPHTHALATE AND DYED WITH A BLUE ANTHRAQUINONE DYE WHICH EXHIBITS A TENDENCY TO GASFADING ON SAID MATERIAL, WHICH COMPRISES APPLYING A POLYMERIC DIALKYL-AMINO-ALKYL-ACRYLATE WHEREIN THE ALKYL AND ALKYLENE GROUP CONTAIN AT MOST 6 CARBON ATOMS TO THE SAID DYED TEXTILE MATERIAL.
Claim 2
Dependent Claim
70 words
PROCESS FOR IMPROVING THE RESISTANCE TO GAS FADING OF A DYED TEXTILE MATERIAL HAVING A BASIS OF AN ESTER SELECTED FROM THE GROUP CONSISTING OF CELLULOSE ACETATE AND POLYETHYLENE TEREPHTHALATE AND DYED WITH A BLUE ANTHRAQUINONE DYE WHICH EXHIBITS A TENDENCY TO GASFADING ON SAID MATERIAL, WHICH COMPRISES APPLYING A POLYMERIC DIALKYL-AMINO-ALKYL-ACRYLATE WHEREIN THE ALKYL AND ALKYLENE GROUP CONTAIN AT MOST 6 CARBON ATOMS TO THE SAID DYED TEXTILE MATERIAL.
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) | 1959-11-13 | 1960-05-14 | 1960-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-13 | 1964-05-14 | 1964-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-13 | 1968-05-14 | 1968-11-13 | $7700.00 | Window Closed / Lapsed |