Patent US2808341A successfully refreshed from Google Patents.
US2808341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Finishing cellulosic textile fabric
Assignee: Dan River Mills Inc
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Filing: 1955-05-09
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Granted: 1957-10-01
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Expires: 1975-05-09
Abstract
No abstract record available.
Inventors
- 👤 William B Canter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:14
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
THE METHOD OF TREATING COTTON TEXTILE FABRICS TO OBTAIN WRINKLE RESISTANCE AND A FULL, PLIABLE HAND, WHICH COMPRISES IMPREGNATING A WOVEN STARCH SIZED COTTON FABRIC WITH AN AQUEOUS LIQUID CONTAINING AS AN AMYLASE, A BACTERIAL ENZYME, A WATER-SSOLUBLE, THERMOSETTING RESINFORMING MATERIAL WHICH IS AN AMINOPLAST AND AN AMINE HYDROCHLORIDE CATALYST, STORING THE THUS IMPREGNATED FABRIC FOR FROM ABOUT ONE TO FOUR HOURS AT A TEMPERATURE FROM ABOUT 140*F. TO 180*F. TO PARTIALY HYDROLYZE THE STARCH AND THEREAFTER HEATING THE FABRIC CONTAINING THE PARTIALLY HYDROLIZED STARCH, AMINOPLAST AND CATALYST TO EFFECT DRYING AND TO CURE THE AMINOPLAST.
Claim 2
Independent Claim
96 words
THE METHOD OF TREATING COTTON TEXTILE FABRICS TO OBTAIN WRINKLE RESISTANCE AND A FULL, PLIABLE HAND, WHICH COMPRISES IMPREGNATING A WOVEN STARCH SIZED COTTON FABRIC WITH AN AQUEOUS LIQUID CONTAINING AS AN AMYLASE, A BACTERIAL ENZYME, A WATER-SSOLUBLE, THERMOSETTING RESINFORMING MATERIAL WHICH IS AN AMINOPLAST AND AN AMINE HYDROCHLORIDE CATALYST, STORING THE THUS IMPREGNATED FABRIC FOR FROM ABOUT ONE TO FOUR HOURS AT A TEMPERATURE FROM ABOUT 140*F. TO 180*F. TO PARTIALY HYDROLYZE THE STARCH AND THEREAFTER HEATING THE FABRIC CONTAINING THE PARTIALLY HYDROLIZED STARCH, AMINOPLAST AND CATALYST TO EFFECT DRYING AND TO CURE THE AMINOPLAST.
References Cited (Backward Citations)
US2137465A
Cited
US2302310A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-30 | 1961-04-01 | 1961-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-30 | 1965-04-01 | 1965-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-30 | 1969-04-01 | 1969-10-01 | $7700.00 | Window Closed / Lapsed |