Patent US3210384A successfully refreshed from Google Patents.
US3210384A
Expired / Lapsed
US
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Process for the preparation of 3, 3', 5, 5'-tetra-substituted diphenoquinone
Assignee: General Electric Co
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Filing: 1962-11-21
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Granted: 1965-10-05
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Expires: 1982-11-21
Abstract
No abstract record available.
Inventors
- 👤 Allan S Hay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:36
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C07; C07C; C07C37/00; C07C37/06; C07C37/07; C07C46/00; C07C46/02; C07C46/06; C07C46/08; C07C50/00; C07C50/08; C07C50/26; C07C50/30; C08K5/07; C08K5/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
THE PROCESS OF PREPARING 3,3'',5,5''-TETRA-SUBSTITUTED DIPHENOQUINONE WHICH COMPRISES REACTING OXYGEN WITH A 2,6-DISUBSTITUTED PHENOL, SAID SUBSTITUENTS ON THE PHENOL AND THE DIPHENOQUINONE BEING MONOVALENT RADICALS SELECTED FROM THE GROUP CONSISTING OF ALKYL, ALKOXY, ARYL AND ARYLOXY RADICALS, SAID REACTION BEING CARRIED OUT IN A SOLUTION OF A COMPLEX OF A BASIC CUPRIC SALT AND AN ORGANIC NITROGEN-CONTAINING COMPOUND SELECTED FROM THE GROUP CONSISTING OF CYANO-SUBSTITUTED HYDROCARBONS AND N,N-DI(MONOVALENT HYDROCARBON) CARBAMOYL SUBSTITUTED HYDROCARBONS IN WHICH SAID PHENOL IS SOLUBLE.
Claim 2
Dependent Claim
78 words
THE PROCESS OF PREPARING 3,3'',5,5''-TETRA-SUBSTITUTED DIPHENOQUINONE WHICH COMPRISES REACTING OXYGEN WITH A 2,6-DISUBSTITUTED PHENOL, SAID SUBSTITUENTS ON THE PHENOL AND THE DIPHENOQUINONE BEING MONOVALENT RADICALS SELECTED FROM THE GROUP CONSISTING OF ALKYL, ALKOXY, ARYL AND ARYLOXY RADICALS, SAID REACTION BEING CARRIED OUT IN A SOLUTION OF A COMPLEX OF A BASIC CUPRIC SALT AND AN ORGANIC NITROGEN-CONTAINING COMPOUND SELECTED FROM THE GROUP CONSISTING OF CYANO-SUBSTITUTED HYDROCARBONS AND N,N-DI(MONOVALENT HYDROCARBON) CARBAMOYL SUBSTITUTED HYDROCARBONS IN WHICH SAID PHENOL IS SOLUBLE.
References Cited (Backward Citations)
US2785188A
Cited
US2905674A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |