US3029264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of a mixture of fattyacyl-oxyalkane sulphonates
Assignee: Lever Brothers Co
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Filing: 1959-04-28
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Granted: 1962-04-10
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Expires: 1979-04-28
Abstract
No abstract record available.
Inventors
- 👤 Jan Van Alphen
- 👤 Terwan Johannes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:27
CPC Classifications
C; C07; C07C; C07C303/00; C07C303/02; C07C303/22; C11; C11D; C11D1/00; C11D1/02; C11D1/12; C11D1/126; C11D1/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A PROCESS FOR THE PREPARATION OF A MIXTURE OF FATTYACYLOXYALKANE SULPHONATES OF THE FORMULA
Claim 2
Dependent Claim
14 words
A PROCESS FOR THE PREPARATION OF A MIXTURE OF FATTYACYLOXYALKANE SULPHONATES OF 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) | 1965-04-09 | 1965-10-09 | 1966-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-09 | 1969-10-09 | 1970-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-09 | 1973-10-09 | 1974-04-10 | $7700.00 | Window Closed / Lapsed |