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US3190906A
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Alkane sulfonic acid esters substituted in beta-position by ether groups and their production
Assignee: BASF SE
•
Filing: 1961-09-07
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Granted: 1965-06-22
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Expires: 1981-09-07
Abstract
No abstract record available.
Inventors
- 👤 Mueller Werner
- 👤 Palm Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:55
CPC Classifications
C; C07; C07C; C07C309/00; C07C309/63; C07C309/64; C07C309/68; C07C309/01; C07C309/02; C07C309/03; C07C309/07; C07C309/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND 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) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |