US3364232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sulfur containing pseudoaromatic detergents
Assignee: Chevron USA Inc
•
Filing: 1966-01-05
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Granted: 1968-01-16
•
Expires: 1986-01-05
Abstract
No abstract record available.
Inventors
- 👤 Donald J Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:36
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C07; C07D; C07D339/00; C07D339/02; C07D339/04; C10M2203/00; C10M2203/06; C10M2205/00; C10M2207/00; C10M2207/04; C10M2209/00; C10M2209/10; C10M2209/103; C10M2219/00; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10M2227/00; C10M2227/02; C10N; C10N2010/00; C10N2010/04; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A COMPOSITION HAVING A MOLECULAR WEIGHT IN THE RANGE OF 750 TO 3,000 AND OF THE FORMULA: 3-(S=),4-R1,5-R2-2H-1,2-DITHIOLE WHEREIN R1 AND R2 ARE ALKYL OR HYDROGEN, AT LEAST ONE JOF R1 AND R2 BEING ALKYL.
Claim 2
Dependent Claim
35 words
A COMPOSITION HAVING A MOLECULAR WEIGHT IN THE RANGE OF 750 TO 3,000 AND OF THE FORMULA: 3-(S=),4-R1,5-R2-2H-1,2-DITHIOLE WHEREIN R1 AND R2 ARE ALKYL OR HYDROGEN, AT LEAST ONE JOF R1 AND R2 BEING ALKYL.
References Cited (Backward Citations)
US2653910A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |