US2993747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shrinkproofing wool textiles with trichlorocyanuric acid or dichlorocyanuric acid and mixtures thereof
Assignee: Monsanto Chemicals Ltd
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Filing: 1955-02-18
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Granted: 1961-07-25
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Expires: 1975-02-18
Abstract
No abstract record available.
Inventors
- 👤 Milton J Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:24
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/35; D06M13/355; D06M13/358; D06M13/364
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A PROCESS OF TREATING A TEXTILE MATERIAL CONSISTING ESSENTIALLY OF WOOL FIBERS WHICH COMPRISES CONTACTING SAID MATERIAL WITH AN AQUEOUS DISPERSION HAVING A PH OF FROM ABOUT 0.25 TO ABOUT 9.5 AND A TEMPERATURE OF FROM ABOUT 5*C. TO ABOUT 75*C. CONSISTING ESSENTIALLY OF WATER AND A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF TRICHLOROCYANURIC ACID AND A MIXTURE OF TRICHLOROCYANURIC ACID AND DICHLOROCYANURIC ACID, UNTIL SAID MATERIAL BECOMES RESISTANT TO SHRINKING AND FELTING.
Claim 2
Dependent Claim
74 words
A PROCESS OF TREATING A TEXTILE MATERIAL CONSISTING ESSENTIALLY OF WOOL FIBERS WHICH COMPRISES CONTACTING SAID MATERIAL WITH AN AQUEOUS DISPERSION HAVING A PH OF FROM ABOUT 0.25 TO ABOUT 9.5 AND A TEMPERATURE OF FROM ABOUT 5*C. TO ABOUT 75*C. CONSISTING ESSENTIALLY OF WATER AND A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF TRICHLOROCYANURIC ACID AND A MIXTURE OF TRICHLOROCYANURIC ACID AND DICHLOROCYANURIC ACID, UNTIL SAID MATERIAL BECOMES RESISTANT TO SHRINKING AND FELTING.
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) | 1964-07-24 | 1965-01-23 | 1965-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-24 | 1969-01-23 | 1969-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-24 | 1973-01-23 | 1973-07-25 | $7700.00 | Window Closed / Lapsed |