US3079216A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shrinkproofing wool with polyesters
Assignee: Individual
•
Filing: 1961-04-07
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Granted: 1963-02-26
•
Expires: 1981-04-07
Abstract
No abstract record available.
Inventors
- 👤 Robert E Whitfield
- 👤 Lowell A Miller
- 👤 William L Wasley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:15
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/507; Y; Y10; Y10S; Y10S8/00; Y10S8/11; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A PROCESS FOR SHRINKPROOFING WOOL WITHOUT SIGNIFICANT IMPAIRMENT OF ITS HAND WHICH COMPRISES SERIALLY IMPREGNATING WOOL WITH TWO SOLUTIONS, ONE SOLUTION CONTAINING A DIOL DISPERSED IN WATER, THE OTHER SOLUTION CONTAINING A DIACID CHLORIDE DISPERSED IN AN INERT, VOLATILE, ESSENTIALLY WATER-IMMISCIBLE SOLVENT, THE SAID DIOL AND DIACID CHLORIDE REACTING TO FORM IN SITU ON THE WOOL FIBERS A RESINOUS POLYESTER.
Claim 2
Dependent Claim
60 words
A PROCESS FOR SHRINKPROOFING WOOL WITHOUT SIGNIFICANT IMPAIRMENT OF ITS HAND WHICH COMPRISES SERIALLY IMPREGNATING WOOL WITH TWO SOLUTIONS, ONE SOLUTION CONTAINING A DIOL DISPERSED IN WATER, THE OTHER SOLUTION CONTAINING A DIACID CHLORIDE DISPERSED IN AN INERT, VOLATILE, ESSENTIALLY WATER-IMMISCIBLE SOLVENT, THE SAID DIOL AND DIACID CHLORIDE REACTING TO FORM IN SITU ON THE WOOL FIBERS A RESINOUS POLYESTER.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |