US3037038A
Expired / Lapsed
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Manganese carbonyl polytertiary phosphine compounds
Assignee: Ethyl Corp
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Filing: 1958-07-30
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Granted: 1962-05-29
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Expires: 1978-07-30
Abstract
No abstract record available.
Inventors
- 👤 James D Johnston
- 👤 Gene E Schroll
- 👤 Shapiro Hymin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:03
CPC Classifications
C; C07; C07F; C07F13/00; C07F13/005; C07F9/00; C07F9/02; C07F9/06; C07F9/16; C07F9/201; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/30; C10L1/301
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
A MANGANESE CARBONYL POLYTERTIARY PHOSPHITE COMPOUND OF THE GENERAL FORMULA
Claim 2
Dependent Claim
10 words
A MANGANESE CARBONYL POLYTERTIARY PHOSPHITE COMPOUND OF THE GENERAL 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) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |