Patent US3355494A successfully refreshed from Google Patents.
US3355494A
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US
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Preparation of ketosulfoxides
Assignee: Procter and Gamble Co
•
Filing: 1965-03-30
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Granted: 1967-11-28
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Expires: 1985-03-30
Abstract
No abstract record available.
Inventors
- 👤 Warren I Lyness
- 👤 David E O'connor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:55
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/66; C11D1/755; C07; C07C; C07C317/00; C11D3/00; C11D3/02; C11D3/04; C11D3/06; C11D3/16; C11D3/26; C11D3/33; C11D3/36; C11D3/361; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
THE PROCESS OF PREPARING A 2-KETOALKYL ALKYL SULFOXIDE COMPRISING THE STEP OF REACTING A SALT OF A SULFINYL CARBANION HAVING THE FORMULA
Claim 2
Dependent Claim
22 words
THE PROCESS OF PREPARING A 2-KETOALKYL ALKYL SULFOXIDE COMPRISING THE STEP OF REACTING A SALT OF A SULFINYL CARBANION HAVING THE FORMULA
References Cited (Backward Citations)
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US2802033A
Cited
US2787595A
Cited
US2846401A
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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) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |