Patent US3739031A successfully refreshed from Google Patents.
US3739031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dodecyl 2-hydroxyethyl sulfoxide
Assignee: Lever Brothers Co
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Filing: 1970-10-23
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Granted: 1973-06-12
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Expires: 1990-10-23
Abstract
Abstract HAS UTILITY IN DETERGENT COMPOSITIONS AS A FOAM-STABILIZING ADDITIVE. C12H25-SO-(CH2)2-OH THE COMPOUND DODECYL 2-HYDROXYETHYL SULFOXIDE
Inventors
- 👤 H Priestley
- 👤 J Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:12
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/66; C11D1/755; C07; C07C; C07C317/00; C07C317/24; C07C323/00; C07C323/10; C07C323/11; C07C323/12; C07C43/00; C07C43/02; C07C43/03; C07C43/04; C07C43/12; C07C43/126; C11D1/75
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-11 | 1976-12-11 | 1977-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-11 | 1980-12-11 | 1981-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-11 | 1984-12-11 | 1985-06-12 | $7700.00 | Window Closed / Lapsed |