Patent US3293071A successfully refreshed from Google Patents.
US3293071A
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Process for treating cellulosic textile material
Assignee: Union Carbide Corp
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Filing: 1964-02-14
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Granted: 1966-12-20
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Expires: 1984-02-14
Abstract
No abstract record available.
Inventors
- 👤 Peloquin Leo
- 👤 Arnold M Sookne
- 👤 Joe T Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:47
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/10; D06M13/11; Y; Y10; Y10S; Y10S8/00; Y10S8/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
IN THE METHOD FOR IMPARTING WASH AND WEAR PROPERTIES TO A CELLULOSIC FABRIC WHICH COMPRISES IMPREGNATING SAID FABRIC WITH A POLYEPOXIDE AND A CURING CATALYST AND THEREAFTER CURING THE IMPREGNATED FABRIC, THE IMPROVEMENT OF EFFECTING THE IMPREGNATION OF SAID FABRIC WITH SAID POLYEPOXIDE BY SPRAYING LIQUID NON-AQUEOUS POLYEPOXIDE ON THE SURFACE OF A CELLULOSIC FABRIC WHICH CONTAIN AT LEAST ABOUT 5 PERCENT BY WEIGHT OF REGAIN WATER, BASED ON THE BONE DRY WEIGHT OF THE FABRIC, AND WHICH IS FREE OF WATER OTHER THAN WATER OF REGION IN THE FIBERS THEREOF.
Claim 2
Dependent Claim
91 words
IN THE METHOD FOR IMPARTING WASH AND WEAR PROPERTIES TO A CELLULOSIC FABRIC WHICH COMPRISES IMPREGNATING SAID FABRIC WITH A POLYEPOXIDE AND A CURING CATALYST AND THEREAFTER CURING THE IMPREGNATED FABRIC, THE IMPROVEMENT OF EFFECTING THE IMPREGNATION OF SAID FABRIC WITH SAID POLYEPOXIDE BY SPRAYING LIQUID NON-AQUEOUS POLYEPOXIDE ON THE SURFACE OF A CELLULOSIC FABRIC WHICH CONTAIN AT LEAST ABOUT 5 PERCENT BY WEIGHT OF REGAIN WATER, BASED ON THE BONE DRY WEIGHT OF THE FABRIC, AND WHICH IS FREE OF WATER OTHER THAN WATER OF REGION IN THE FIBERS THEREOF.
References Cited (Backward Citations)
US2772189A
Cited
US2752269A
Cited
US3001975A
Cited
US3018262A
Cited
US3096001A
Cited
US3131087A
Cited
US3068120A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |