US2992944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shrinkproofing wool with compositions containing a polyester
Assignee: Individual
•
Filing: 1959-11-13
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Granted: 1961-07-18
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Expires: 1979-11-13
Abstract
No abstract record available.
Inventors
- 👤 Charles H Binkley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:32
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/507; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2971; Y10T442/00; Y10T442/20; Y10T442/2369; Y10T442/2385
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
THE PROCESS OF SHRINKPROOFING A WOOL-CONTAINING TEXTILE WITHOUT SIGNIFICANT IMPAIRMENT OF ITS BAND WHICH COMPRISES IMPREGNATING THE TEXTILE WITH (A) A POLYEPOXIDE CONTAINING AT LEAST TWO EPOXY GROUPS PER MOLECULE, (B) A POLYAMIDE OF AN ALIPHATIC POLYAMINE AND A POLLYCARBOXYLIC ACID, SAID POLYAMIDE CONTAINING FREE GROUPS SELECTED FROM THE CLASS CONSISTING OF AMINE GROUPS AND CARBOXYL GROUPS, AND (C) A GLYCEROL-ADIPIC ACID POLYESTER HAVING AN ACID NUMBER FROM 50 TO 180, THE TOTAL AMOUNT OF POLYEPOXIDE, POLYAMIDE, AND POLYESTER DEPOSITED ON THE TEXTILE BEING ABOUT FROM 0.5 TO 10% OF THE WEIGHT OF THE TEXTILE, THE AMOUNT OF POLYESTER BEING ABOUT FROM 0.5 TO 2 PARTS BY WEIGHT FOR EACH PART BY WEIGH OF POLYEPOXIDE, AND CURING THE IMPREGNATED TEXTILE BY HEATING IT AT AN ELEVATED TEMPERATURE TO CURE AND INSOLUBILIZE THE POLYEPOXIDE, POLYAMIDE AND POLYESTER ON THE TEXTILE FIBERS.
Claim 2
Dependent Claim
140 words
THE PROCESS OF SHRINKPROOFING A WOOL-CONTAINING TEXTILE WITHOUT SIGNIFICANT IMPAIRMENT OF ITS BAND WHICH COMPRISES IMPREGNATING THE TEXTILE WITH (A) A POLYEPOXIDE CONTAINING AT LEAST TWO EPOXY GROUPS PER MOLECULE, (B) A POLYAMIDE OF AN ALIPHATIC POLYAMINE AND A POLLYCARBOXYLIC ACID, SAID POLYAMIDE CONTAINING FREE GROUPS SELECTED FROM THE CLASS CONSISTING OF AMINE GROUPS AND CARBOXYL GROUPS, AND (C) A GLYCEROL-ADIPIC ACID POLYESTER HAVING AN ACID NUMBER FROM 50 TO 180, THE TOTAL AMOUNT OF POLYEPOXIDE, POLYAMIDE, AND POLYESTER DEPOSITED ON THE TEXTILE BEING ABOUT FROM 0.5 TO 10% OF THE WEIGHT OF THE TEXTILE, THE AMOUNT OF POLYESTER BEING ABOUT FROM 0.5 TO 2 PARTS BY WEIGHT FOR EACH PART BY WEIGH OF POLYEPOXIDE, AND CURING THE IMPREGNATED TEXTILE BY HEATING IT AT AN ELEVATED TEMPERATURE TO CURE AND INSOLUBILIZE THE POLYEPOXIDE, POLYAMIDE AND POLYESTER ON THE TEXTILE FIBERS.
References Cited (Backward Citations)
GB732253A
Cited
US2933366A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-17 | 1965-01-16 | 1965-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-17 | 1969-01-16 | 1969-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-17 | 1973-01-16 | 1973-07-18 | $7700.00 | Window Closed / Lapsed |