Patent US1687658A successfully refreshed from Google Patents.
US2686201A
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Alkyl-alkanol amine salts of alkylated aryl sulfonic acids
Assignee: Atlantic Richfield Co
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Filing: 1952-01-23
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Granted: 1954-08-10
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Expires: 1972-01-23
Abstract
No abstract record available.
Inventors
- 👤 Vincent J Keenan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:10
CPC Classifications
C; C07; C07C; C07C309/00; C07C309/01; C07C309/28; C07C309/29; C07C309/30; C07C309/31; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03; Y10S516/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A TERTIARY AMINE SALT OF AN ALKYL BENZENE SULFONIC ACID, THE ALKYL RADICAL OF SAID ACID HAVING FROM 9 TO 15 CARBON ATOMS, AND THE REMAINING NUCLEAR SUBSTITUENTS OF THE BENZENE RADICAL BEING SELECTED FROM THE GROUP CONISITING OF HYDROGEN AND LOWER ALKYL GROUPS HAVING FROM 1 TO 3 CARBON ATOMS AND THE TERTIARY AMINE BEING SELECTED FROM THE GROUP CONSISTING OF DIALKYL ALKANOL AMINES AND ALKYL DIALKANOL AMINES, WHEREIN THE ALKYL SUBSTITUENTS HAVE FROM 1 TO 6 CARBON ATOMS AND THE ALKANOL SUBSTITUENTS HAVE FROM 2 TO 3 CARBON ATOMS.
Claim 2
Dependent Claim
91 words
A TERTIARY AMINE SALT OF AN ALKYL BENZENE SULFONIC ACID, THE ALKYL RADICAL OF SAID ACID HAVING FROM 9 TO 15 CARBON ATOMS, AND THE REMAINING NUCLEAR SUBSTITUENTS OF THE BENZENE RADICAL BEING SELECTED FROM THE GROUP CONISITING OF HYDROGEN AND LOWER ALKYL GROUPS HAVING FROM 1 TO 3 CARBON ATOMS AND THE TERTIARY AMINE BEING SELECTED FROM THE GROUP CONSISTING OF DIALKYL ALKANOL AMINES AND ALKYL DIALKANOL AMINES, WHEREIN THE ALKYL SUBSTITUENTS HAVE FROM 1 TO 6 CARBON ATOMS AND THE ALKANOL SUBSTITUENTS HAVE FROM 2 TO 3 CARBON ATOMS.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-09 | 1958-02-08 | 1958-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-09 | 1962-02-08 | 1962-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-09 | 1966-02-08 | 1966-08-10 | $7700.00 | Window Closed / Lapsed |