US3016280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile treatment
Assignee: Celanese Corp
•
Filing: 1955-06-30
•
Granted: 1962-01-09
•
Expires: 1975-06-30
Abstract
No abstract record available.
Inventors
- 👤 Fortess Fred
- 👤 William J Myles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:35
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/368; C; C25; C25B; C25B11/00; C25B11/04; C25B11/042; C25B11/043; C25B11/044; D06M13/10; D06M13/144; D06M13/148
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
109 words
PROCESS FOR IMPROVING THE PROPERTIES OF CELLULOSE ESTER TEXTILE MATERIAL, WHICH COMPRISES IMPREGNATING A TEXTILE FABRIC COMPRISING FILAMENTARY MATERIAL OF CELLULOSE TRIACETATE OF AT LEAST 59% ACETYL VALUE, CALCULATED AS COMBINED ACETIC ACID, WITH A HOT BATH OF A GLYCOL OF THE GROUP CONSISTING OF ETHYLENE GLYCOL, PROPYLENE GLYCOL AND DIETHYLENE GLYCOL, AT A TEMPERATURE OF ABOUT 130 TO 170* C. FOR A TIME SUFFICIENT TO RAISE THE SAFE IRONING TEMPERATURE OF TEXTILE FABRIC OF CELLULOSE TRIACETATE OF AT LEAST 59% ACETYL VALUE, CALCULATED AS COMBINED ACETIC ACID, FROM AN INITIAL SAFE IRONING TEMPERATURE OF 180* C. TO A FINAL SAFE IRONING TEMPERATURE OF ABOUT 220 TO 250* C.
Claim 2
Dependent Claim
109 words
PROCESS FOR IMPROVING THE PROPERTIES OF CELLULOSE ESTER TEXTILE MATERIAL, WHICH COMPRISES IMPREGNATING A TEXTILE FABRIC COMPRISING FILAMENTARY MATERIAL OF CELLULOSE TRIACETATE OF AT LEAST 59% ACETYL VALUE, CALCULATED AS COMBINED ACETIC ACID, WITH A HOT BATH OF A GLYCOL OF THE GROUP CONSISTING OF ETHYLENE GLYCOL, PROPYLENE GLYCOL AND DIETHYLENE GLYCOL, AT A TEMPERATURE OF ABOUT 130 TO 170* C. FOR A TIME SUFFICIENT TO RAISE THE SAFE IRONING TEMPERATURE OF TEXTILE FABRIC OF CELLULOSE TRIACETATE OF AT LEAST 59% ACETYL VALUE, CALCULATED AS COMBINED ACETIC ACID, FROM AN INITIAL SAFE IRONING TEMPERATURE OF 180* C. TO A FINAL SAFE IRONING TEMPERATURE OF ABOUT 220 TO 250* C.
Claim 3
Dependent Claim
37 words
PROCESS AS SET FORTH IN CLAIM IN 1 IN WHICH SAID BATH CONTAINS DISSOLVED THEREIN A DYE FRO SAID CELLULOSE TRIACETATE, THE DYE BEING INERT TO SAID GLYCOL, AND SAID CELLULOSE TRIACETATE BEING COLORED BY SAID PROCESS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-08 | 1965-07-10 | 1966-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-08 | 1969-07-10 | 1970-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-08 | 1973-07-10 | 1974-01-09 | $7700.00 | Window Closed / Lapsed |