Patent US3647803A successfully refreshed from Google Patents.
US3647803A
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Method for hydrocarbon soluble organo sodium compounds
Assignee: GE Chemicals Inc
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Filing: 1970-03-24
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Granted: 1972-03-07
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Expires: 1990-03-24
Abstract
Abstract A METHOD OF PROVIDIN ACTIVE HYDROCARBON SOLUBLE ORGANOSODUIM REGAGENTS BY REACTING ORGANOSODIUM COMPOUNDS WIHT ALIPHATIC TERTIARY DIAMINES AND SEPARTING THE HOMOGENOUS ACTIVE HYDROCARON SOLUBLE ORANOSODIUM PRODUCTS FROM THE INSOLUBLE ORGANOSODIUM PREPARATION BY-PRODUCTS.
Inventors
- 👤 Richard J Schlott
- 👤 Donald F Hoeg
- 👤 John F Pendleton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:22
CPC Classifications
C; C07; C07F; C07F1/00; C07F1/04; C07C; C07C51/00; C07C51/15; C08; C08F; C08F4/00; C08F4/06; C08F4/12
Claims Analysis
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References Cited (Backward Citations)
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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) | 1975-03-07 | 1975-09-06 | 1976-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-07 | 1979-09-06 | 1980-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-07 | 1983-09-06 | 1984-03-07 | $7700.00 | Window Closed / Lapsed |