US2804402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of cellulose containing textile materials and compositions therefor
Assignee: Monsanto Chemicals Ltd
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Filing: 1953-11-18
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Granted: 1957-08-27
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Expires: 1973-11-18
Abstract
No abstract record available.
Inventors
- 👤 Charles R Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:46
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2549
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A PROCESS OF FINISHING TEXTILE FABRICS TO PROVIDE A CRUSH RESISTANT FABRIC WHICH RESISTS LOSS IN TENSILE STRENGTH DUE TO CHLORINATION FOLLOWED BY DRYING AND HEATING WHICH COMPRISES IMPREGNATING A WOVEN TEXTILE FABRIC COMPRIS-ING AT LEAST 60% BY WEIGHT OF CELLULOSE FIBERS WITH AN AQUEOUS SOLUTION OF (1) DIMETHYLOL ETHYLENE UREA, (2) A THERMOSETTING, WATER-SOLUBLE, INFINITELY DILUTABLE METHYL ETHER OF POLYMETHYLOL MELLAMINE, SAID DIMETHYLOL ETHYLENE UREA AND SAID METHYL ETHER BEING PRESENT IN THE SOLUTION IN A WEIGHT RATIO BETWEEN 2:1 AND 1:2, AND (3) A CURING CATALYST, AND THEREAFTER HEATING THE FABRIC AT ELEVATED TEMPERATURE TO DRY THE FABRIC AND PROVIDE A WATER-INSOLUBLE FINISH.
Claim 2
Dependent Claim
105 words
A PROCESS OF FINISHING TEXTILE FABRICS TO PROVIDE A CRUSH RESISTANT FABRIC WHICH RESISTS LOSS IN TENSILE STRENGTH DUE TO CHLORINATION FOLLOWED BY DRYING AND HEATING WHICH COMPRISES IMPREGNATING A WOVEN TEXTILE FABRIC COMPRIS-ING AT LEAST 60% BY WEIGHT OF CELLULOSE FIBERS WITH AN AQUEOUS SOLUTION OF (1) DIMETHYLOL ETHYLENE UREA, (2) A THERMOSETTING, WATER-SOLUBLE, INFINITELY DILUTABLE METHYL ETHER OF POLYMETHYLOL MELLAMINE, SAID DIMETHYLOL ETHYLENE UREA AND SAID METHYL ETHER BEING PRESENT IN THE SOLUTION IN A WEIGHT RATIO BETWEEN 2:1 AND 1:2, AND (3) A CURING CATALYST, AND THEREAFTER HEATING THE FABRIC AT ELEVATED TEMPERATURE TO DRY THE FABRIC AND PROVIDE A WATER-INSOLUBLE FINISH.
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) | 1960-08-26 | 1961-02-25 | 1961-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-26 | 1965-02-25 | 1965-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-26 | 1969-02-25 | 1969-08-27 | $7700.00 | Window Closed / Lapsed |