Patent US2890097A successfully refreshed from Google Patents.
US2890097A
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Shrinkproofing textiles with polyamides and volatile polyepoxides
Assignee: Individual
•
Filing: 1958-05-12
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Granted: 1959-06-09
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Expires: 1978-05-12
Abstract
No abstract record available.
Inventors
- 👤 Thompson J Coe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:14
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/55; D06M15/39; D06M15/59
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
THE METHOD OF SHRINKPROOFING A ATEXTILE WITHOUT SIGNIFICANT IMPAIRMENT OF ITS HAND WHICH COMPRISES IMPREGNATING THE TEXTILE WITH A POLYAMIDE OF AN ALIPHATIC POLYAMINE AND A POLYCARBOXYLIC ACID, SAID POLYAMIDE CONTAINING FREE GROUPS SELECTED FROM THE GROUP CONSISTING OF AMINE GROUPS AND CARBOXYL GROUPS, THE TOTAL AMOUNT OF POLYAMIDE DEPOSITE ON THE TEXTILE BEING ABOUT FROM 0.5 TO 10% OF THE WEIGHT OF THE TEXTILE BEING ABOUT FROM THE IMPREGNATED TEXTILE TO A VOLATILE POLYEPOXIDE IN THE VAPOR PHASE TO CURE AND INSOLUBLIZE THE POLYAMIDE ON THE TEXTILE FIBRES, THE POLYEPOXIDE CONTAINING AT LEAST TWO EPOXY
Claim 2
Independent Claim
96 words
THE METHOD OF SHRINKPROOFING A ATEXTILE WITHOUT SIGNIFICANT IMPAIRMENT OF ITS HAND WHICH COMPRISES IMPREGNATING THE TEXTILE WITH A POLYAMIDE OF AN ALIPHATIC POLYAMINE AND A POLYCARBOXYLIC ACID, SAID POLYAMIDE CONTAINING FREE GROUPS SELECTED FROM THE GROUP CONSISTING OF AMINE GROUPS AND CARBOXYL GROUPS, THE TOTAL AMOUNT OF POLYAMIDE DEPOSITE ON THE TEXTILE BEING ABOUT FROM 0.5 TO 10% OF THE WEIGHT OF THE TEXTILE BEING ABOUT FROM THE IMPREGNATED TEXTILE TO A VOLATILE POLYEPOXIDE IN THE VAPOR PHASE TO CURE AND INSOLUBLIZE THE POLYAMIDE ON THE TEXTILE FIBRES, THE POLYEPOXIDE CONTAINING AT LEAST TWO EPOXY
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) | 1962-06-08 | 1962-12-08 | 1963-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-08 | 1966-12-08 | 1967-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-08 | 1970-12-08 | 1971-06-09 | $7700.00 | Window Closed / Lapsed |