US3112983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of low temperature dyeing of wool
Assignee: Individual
•
Filing: 1961-02-06
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Granted: 1963-12-03
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Expires: 1981-02-06
Abstract
No abstract record available.
Inventors
- 👤 Daniel P Collins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:40
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/0028; D06P3/00; D06P3/02; D06P3/04; D06P3/14; D06P3/20; Y; Y10; Y10S; Y10S8/00; Y10S8/916; Y10S8/917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
188 words
A PROCESS OF LOW TEMPERATURE DYEING OF WOOL, COMPRISING THE STEPS OF PLACING A PREDETERMINED QUANTITY OF WOOL STOCK IN A CONTAINER ADAPTED TO RECEIVE IT; WETTING THE SAID WOOL STOCK WITH A PREDETEREMINED QUANTITY OF WATER AT A SELECTED TEMPERATURE BELOW 150*F.; ADDING A PREDETERMINED QUANTITY SUBSTANTIALLY LESS THAN 1% BY WEIGHT ON THE WEIGHT OF THE WATER OF A DYE ASSISTANT COMPOSED AT LEAST IN PART OF ETHYLENE GLYCOL AND AT LEAST ONE NONYLPHENOL POLYOXYETHYLENE ETHANOL SURFACTANT; ADDING A PREDETERMINED QUANTITY OF ACETIC ACID; ADDING A PREDETERMINED QUANTITY OF DYESTUFF AT THE SAID SELECTED TEMPERATURE LESS THAN TEN MINUTES AFTER THE WETTING OF THE SAID WOOL SOCK HAS BEEN COMPLETED; RAISING THE TEMPERATURE OF THE DYEBATH COMPOSED OF THE SAID WATER, THE SAID DYE ASSISTANT, THE SAID ACETIC ACID, AND THE SAID DYESTUFF, TO A PREDETERMINED POINT BETWEEN 160*F. AND 185*F. DURING A PERIOD OF LESS THAN FORTY-FIVE MINUTES; MAINTAINING THE SAID DYEBATH AT THE SAID PREDETERMINED TEMPERATURE POINT FOR LESS THAN THIRTY MINUTES MORE; AND RINSING THE SAID WOOL STOCK SO THAT THE SAID WOOL STOCK RETAINS A PREDETERMINED SHADE OF DYE WITH SUBSTANTIAL FASTNESS.
Claim 2
Dependent Claim
188 words
A PROCESS OF LOW TEMPERATURE DYEING OF WOOL, COMPRISING THE STEPS OF PLACING A PREDETERMINED QUANTITY OF WOOL STOCK IN A CONTAINER ADAPTED TO RECEIVE IT; WETTING THE SAID WOOL STOCK WITH A PREDETEREMINED QUANTITY OF WATER AT A SELECTED TEMPERATURE BELOW 150*F.; ADDING A PREDETERMINED QUANTITY SUBSTANTIALLY LESS THAN 1% BY WEIGHT ON THE WEIGHT OF THE WATER OF A DYE ASSISTANT COMPOSED AT LEAST IN PART OF ETHYLENE GLYCOL AND AT LEAST ONE NONYLPHENOL POLYOXYETHYLENE ETHANOL SURFACTANT; ADDING A PREDETERMINED QUANTITY OF ACETIC ACID; ADDING A PREDETERMINED QUANTITY OF DYESTUFF AT THE SAID SELECTED TEMPERATURE LESS THAN TEN MINUTES AFTER THE WETTING OF THE SAID WOOL SOCK HAS BEEN COMPLETED; RAISING THE TEMPERATURE OF THE DYEBATH COMPOSED OF THE SAID WATER, THE SAID DYE ASSISTANT, THE SAID ACETIC ACID, AND THE SAID DYESTUFF, TO A PREDETERMINED POINT BETWEEN 160*F. AND 185*F. DURING A PERIOD OF LESS THAN FORTY-FIVE MINUTES; MAINTAINING THE SAID DYEBATH AT THE SAID PREDETERMINED TEMPERATURE POINT FOR LESS THAN THIRTY MINUTES MORE; AND RINSING THE SAID WOOL STOCK SO THAT THE SAID WOOL STOCK RETAINS A PREDETERMINED SHADE OF DYE WITH SUBSTANTIAL FASTNESS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |