Patent US3660459A successfully refreshed from Google Patents.
US3660459A
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US
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Borate quaternary ammonium compounds derived from borate esters of amino secondary alkanols
Assignee: Ashland LLC
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Filing: 1969-04-23
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Granted: 1972-05-02
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Expires: 1989-04-23
Abstract
Abstract QUATERNARY AMMONIUM SALTS OF BORATE ESTERS OF 1-DIALKYLAMINO-2-ALKANOLS ARE DISCLOSED; SUCH COMPOUNDS HAVING PARTICULAR UTILITY AS FABRIC SOFTENERS AND SANITIZERS.
Inventors
- 👤 Graham K Hughes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:19
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/02; C07F5/04; C11; C11D; C11D1/00; C11D1/66; C11D1/75; C11D3/00; C11D3/0005; C11D3/001; D; D06; D06M; D06M13/00; D06M13/322; D06M13/402; D06M13/432; Y; Y10; Y10S; Y10S516/00; Y10S516/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-02 | 1975-11-01 | 1976-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-02 | 1979-11-01 | 1980-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-02 | 1983-11-01 | 1984-05-02 | $7700.00 | Window Closed / Lapsed |