US2430675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bleaching fatty acid compounds with chlorite and aldehyde
Assignee: Mathieson Alkali Works Inc
•
Filing: 1945-06-15
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Granted: 1947-11-11
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Expires: 1965-06-15
Abstract
No abstract record available.
Inventors
- 👤 Clifford A Hampel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:26
CPC Classifications
C; C11; C11C; C11C1/00; C11C1/08; C07; C07D; C07D215/00; C07D215/02; C07D215/16; C07D215/38; C07D215/40; C11B; C11B3/00; C11B3/02; C11B3/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1788848A
Cited
US2269667A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-10 | 1951-05-12 | 1951-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-10 | 1955-05-12 | 1955-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-10 | 1959-05-12 | 1959-11-11 | $7700.00 | Window Closed / Lapsed |