Patent US2449026A successfully refreshed from Google Patents.
US2449026A
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Process for preparing salts of alkyl phenol sulfides
Assignee: Standard Oil Development Co
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Filing: 1944-04-20
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Granted: 1948-09-07
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Expires: 1964-04-20
Abstract
No abstract record available.
Inventors
- 👤 Carl F Van Gilder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:03
CPC Classifications
C; C07; C07C; C07C323/00; C10; C10M; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/023; C10M2207/025; C10M2207/027; C10M2211/00; C10M2211/04; C10M2211/042; C10M2211/06; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/06; C10M2215/062; C10M2215/16; C10M2215/20; C10M2215/202; C10M2215/24; C10M2215/26; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/084; C10M2219/087; C10M2219/088; C10M2219/089; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2010/08; C10N2010/12; C10N2010/14; C10N2010/16; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 0
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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) | 1951-09-07 | 1952-03-08 | 1952-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-09-07 | 1956-03-08 | 1956-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-09-07 | 1960-03-08 | 1960-09-07 | $7700.00 | Window Closed / Lapsed |