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Patent US2334390A successfully refreshed from Google Patents.
US2334390A
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Water-insoluble oxyalkylated drastically oxidized castor oil and method of making same
Assignee: Baker Petrolite LLC
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Filing: 1942-11-30
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Granted: 1943-11-16
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Expires: 1962-11-30
Abstract
No abstract record available.
Inventors
- 👤 Groote Melvin De
- 👤 Keiser Bernhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:59
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/04; C08; C08G; C08G65/00; C08G65/02; C08G65/26; C08G65/2603; C08G65/2615; C08G2650/00; C08G2650/28; C08G2650/34
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) | 1946-11-15 | 1947-05-17 | 1947-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-11-15 | 1951-05-17 | 1951-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-11-15 | 1955-05-17 | 1955-11-16 | $7700.00 | Window Closed / Lapsed |