Patent US3793196A successfully refreshed from Google Patents.
US3793196A
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US
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Softening agent
Assignee: Lion Corp
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Filing: 1972-04-13
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Granted: 1974-02-19
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Expires: 1992-04-13
Abstract
Abstract A softening agent capable of imparting softness, which comprises quaternary ammonium salt to be expressed by the following general formula (WHEREIN R1, R2, R3 and R4 represent any of alkyl radical, hydroxyalkyl radical and benzyl radical, and X represents halogen atom) AND HIGHER ALCOHOL, TOGETHER WITH 0.5 TO 5.0 WT % OF SORBITAN FATTY ACID ESTER AND 0.3 TO 6.0 WT % OF POLYOXYETHYLENE ALKYL OR ALKENYL ETHER.
Inventors
- 👤 N Okazaki
- 👤 A Miyamura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:21
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/0005; C11D3/001; C11D3/0015; D; D06; D06M; D06M13/00; D06M13/322; D06M13/46; D06M13/463
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
24 words
A softening agent as defined in claim 1, which contains an effective quantity of coloring matter or perfume or a mixture of these substances.
References Cited (Backward Citations)
US2461043A
Cited
US3010849A
Cited
US3349033A
Cited
US3364142A
Cited
US3578591A
Cited
US3681241A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-02-18 | 1977-08-20 | 1978-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-18 | 1981-08-20 | 1982-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-18 | 1985-08-20 | 1986-02-19 | $7700.00 | Window Closed / Lapsed |