US3133949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel preparation of organic sulfates
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1960-07-01
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Granted: 1964-05-19
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Expires: 1980-07-01
Abstract
No abstract record available.
Inventors
- 👤 Alfred J Rutkowski
- 👤 Albin F Turbak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:24
CPC Classifications
C; C07; C07C; C07C303/00; C07C303/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
A PROCESS FOR PRODUCING AN ORGANIC SULFATE HAVING THE FORMULA
Claim 2
Dependent Claim
10 words
A PROCESS FOR PRODUCING AN ORGANIC SULFATE HAVING 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) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |