Patent US2496631A successfully refreshed from Google Patents.
US2496631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wool treatment
Assignee: Nopco Chemical Co
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Filing: 1946-07-08
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Granted: 1950-02-07
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Expires: 1966-07-08
Abstract
No abstract record available.
Inventors
- 👤 Henry F Leupold
- 👤 Maurice J Kelley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:18
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/52; D06M13/522
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A SELF-FULLING AND SELF-SCOURING WOOL TREATING COMPOSITION WHICH COMPRISES SUFFICIENT AMOUNTS OF A NONRESINIFYING OIL AND A LIQUID MONOACYLATED ORGANIC FATTY ESTER TO SOFTEN AND LUBRICATE WOOL FIBERS AND A QUANTITY SUFFICIENT TO FORM A STABLE EMULSION OF THE OIL AND THE ESTER TO IN WATER OF A CONDENSATION PRODUCT FORMED BY HEATING IN THE RATIO OF ONE EQUIVALENT WEIGHT OF A FATTY SUBSTANCE HAVING AN ACYL CHAIN OF AT LEAST 8 CARBON ATOMS WITH FROM 1.5 TO 4.0 MOLES OF AN ALKYLOLAMINE SELECTED FROM THE GROUP CONSISTING OF DIETHANOLAMINE, ETHYL MONETHANOLAMINE, DISOPROPANOLAMINE AND 2-AMINO 2-METHYL PROPANOL-1 AT A TEMPERATURE AND FOR A TIME SUFFICIENT TO FORM A FATTY AMIDE.
Claim 2
Dependent Claim
110 words
A SELF-FULLING AND SELF-SCOURING WOOL TREATING COMPOSITION WHICH COMPRISES SUFFICIENT AMOUNTS OF A NONRESINIFYING OIL AND A LIQUID MONOACYLATED ORGANIC FATTY ESTER TO SOFTEN AND LUBRICATE WOOL FIBERS AND A QUANTITY SUFFICIENT TO FORM A STABLE EMULSION OF THE OIL AND THE ESTER TO IN WATER OF A CONDENSATION PRODUCT FORMED BY HEATING IN THE RATIO OF ONE EQUIVALENT WEIGHT OF A FATTY SUBSTANCE HAVING AN ACYL CHAIN OF AT LEAST 8 CARBON ATOMS WITH FROM 1.5 TO 4.0 MOLES OF AN ALKYLOLAMINE SELECTED FROM THE GROUP CONSISTING OF DIETHANOLAMINE, ETHYL MONETHANOLAMINE, DISOPROPANOLAMINE AND 2-AMINO 2-METHYL PROPANOL-1 AT A TEMPERATURE AND FOR A TIME SUFFICIENT TO FORM A FATTY AMIDE.
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) | 1953-02-06 | 1953-08-08 | 1954-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-06 | 1957-08-08 | 1958-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-06 | 1961-08-08 | 1962-02-07 | $7700.00 | Window Closed / Lapsed |