Patent US2983758A successfully refreshed from Google Patents.
US2983758A
Expired / Lapsed
US
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Preparation of amines
Assignee: EIDP Inc
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Filing: 1955-10-28
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Granted: 1961-05-09
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Expires: 1975-10-28
Abstract
No abstract record available.
Inventors
- 👤 Fred W Hoover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:41
CPC Classifications
C; C07; C07C; C07C209/00; C07C209/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
IN A PROCESS FOR PREPARING ORGANIC AMINES BY REACTING IN AN AQUEOUS MEDIUM AN ORGANIC COMPOUND, OF 2 TO 9 CARBON ATOMS SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC POLYMERIZABLE ETHYLENICALLY UNSATURATED HYDROCARBONS, CYCLOALIPHATIC ETHYLENICALLY UNSATURATED HYDROCARBONS, AROMATIC HYDROCARBONS AND TETRAMETHYLETHYLENE, WITH AMINO RADICALS GENERATD IN SITU BY THE ACTION OF A METALLIC REDUCING ION SELECTED FROM THE GROUP CONSISTING OF TI+++, V++, V+++, CR++ AND MO+++ ON A HYDROXYLAMINO COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
74 words
IN A PROCESS FOR PREPARING ORGANIC AMINES BY REACTING IN AN AQUEOUS MEDIUM AN ORGANIC COMPOUND, OF 2 TO 9 CARBON ATOMS SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC POLYMERIZABLE ETHYLENICALLY UNSATURATED HYDROCARBONS, CYCLOALIPHATIC ETHYLENICALLY UNSATURATED HYDROCARBONS, AROMATIC HYDROCARBONS AND TETRAMETHYLETHYLENE, WITH AMINO RADICALS GENERATD IN SITU BY THE ACTION OF A METALLIC REDUCING ION SELECTED FROM THE GROUP CONSISTING OF TI+++, V++, V+++, CR++ AND MO+++ ON A HYDROXYLAMINO COMPOUND OF THE 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) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |