Patent US2485276A successfully refreshed from Google Patents.
US2485276A
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Method for inhibiting corrosion caused by liquid aluminum halide catalysts
Assignee: Standard Oil Development Co
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Filing: 1944-09-23
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Granted: 1949-10-18
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Expires: 1964-09-23
Abstract
No abstract record available.
Inventors
- 👤 Gerbes Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:20
CPC Classifications
C; C23; C23F; C23F13/00; C23F13/02; B; B01; B01J; B01J19/00; B01J19/02; B01J27/00; B01J27/06; B01J8/00; B01J8/18; B01J8/24; B01J8/42; B01J2219/00; B01J2219/02; B01J2219/025; B01J2219/0277; Y; Y10; Y10S; Y10S585/00; Y10S585/919; Y10S585/92; Y10S585/949; Y10S585/95
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-17 | 1953-04-18 | 1953-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-17 | 1957-04-18 | 1957-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-17 | 1961-04-18 | 1961-10-18 | $7700.00 | Window Closed / Lapsed |