Patent US2658038A successfully refreshed from Google Patents.
US2658038A
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Disulfoxides
Assignee: Standard Oil Co
•
Filing: 1949-12-21
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Granted: 1953-11-03
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Expires: 1969-12-21
Abstract
No abstract record available.
Inventors
- 👤 Wayne A Proell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:51
CPC Classifications
C; C07; C07C; C07C317/00; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
AS A NEW COMPOSITION OF MATTER, A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
11 words
AS A NEW COMPOSITION OF MATTER, A COMPOUND HAVING THE FORMULA
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) | 1956-11-02 | 1957-05-04 | 1957-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-02 | 1961-05-04 | 1961-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-02 | 1965-05-04 | 1965-11-03 | $7700.00 | Window Closed / Lapsed |