US2999002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hot vapor treatment in dyeing cellulose triacetate
Assignee: Celanese Corp
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Filing: 1958-09-22
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Granted: 1961-09-05
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Expires: 1978-09-22
Abstract
No abstract record available.
Inventors
- 👤 Jack A Dayvault
- 👤 Fortess Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:01
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/34; D06P3/52; D06P3/54; D06P1/00; D06P1/44; D06P1/64; D06P1/651; D06P1/65106; D06P1/65112; D06P1/65131; D06P1/6515; D06P1/65156; D06P5/00; D06P5/20; D06P5/2066; D06P5/2077; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/921; Y10S8/922
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A METHOD OF DYEING A POLYMERIC POLYESTER TEXTILE MATERIAL SELECTED FROM THE GROUP CONSISTING OF CELLULOSE TRIESTERS AND LINEAR POLYESTERS COMPRISING IMPREGNATING SAID TEXTILE MATERIAL WITH AN AQUEOUS SUSPENSION OF DISPERSE DYE, DRYING SAID IMPREGNATED MATERIAL AND SUBJECTING SAID IMPREGNATED AND DRIED MATERIAL TO VAPOR SELECTED FROM THE GROUP CONSISTING OF A CHLORINATED BENZENE, A DIALKYL KETONE HAVING AT LEAST 4 CARBON ATOMS AND AN ALKYL ETHER OF AN ALKYLENE GLYCOL.
Claim 2
Independent Claim
71 words
A METHOD OF DYEING A POLYMERIC POLYESTER TEXTILE MATERIAL SELECTED FROM THE GROUP CONSISTING OF CELLULOSE TRIESTERS AND LINEAR POLYESTERS COMPRISING IMPREGNATING SAID TEXTILE MATERIAL WITH AN AQUEOUS SUSPENSION OF DISPERSE DYE, DRYING SAID IMPREGNATED MATERIAL AND SUBJECTING SAID IMPREGNATED AND DRIED MATERIAL TO VAPOR SELECTED FROM THE GROUP CONSISTING OF A CHLORINATED BENZENE, A DIALKYL KETONE HAVING AT LEAST 4 CARBON ATOMS AND AN ALKYL ETHER OF AN ALKYLENE GLYCOL.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-04 | 1965-03-06 | 1965-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-04 | 1969-03-06 | 1969-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-04 | 1973-03-06 | 1973-09-05 | $7700.00 | Window Closed / Lapsed |