US3293164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Azo compounds as promoters for the synthesis of halogenated thioethers
Assignee: Phillips Petroleum Co
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Filing: 1963-06-03
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Granted: 1966-12-20
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Expires: 1983-06-03
Abstract
No abstract record available.
Inventors
- 👤 Paul F Warner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:01
CPC Classifications
C; C07; C07B; C07B45/00; C07B45/06; C07C; C07C323/00; Y; Y10; Y10S; Y10S204/00; Y10S204/902; Y10S204/911
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A PROCESS FOR PRODUCING HALOGENATED THIOETHERS COMPRISING CONTACTING AN ORGANIC COMPOUND CONTAINING AT LEAST ONE UNSATURATED LINKAGE BETWEEN CARBON ATOMS OF ALIPHATIC CHARACTER WITH A MERCAPTAN IN A REACTION ZONE IN THE PRESENCE OF AN AZO COMPOUND WHICH HAS AN ACYCLIC AZO, -N=N-, GROUP BONDED TO DISCRETE NON-AROMATIC CARBONS, AT LEAST ONE OF WHICH IS TERTIARY AND HAS ATTACHED, THROUGH CARBON, A NEGATIVE RADICAL WHICH HAS THE REMAINING VALENCES OF SAID CARBON SATISFIED ONLY BY ELEMENTS OF THE CLASS CONSISTING OF OXYGEN AND NITROGEN, AT LEAST ONE OF SAID REACTANTS BEING A HALOGENATED COMPOUND, AND SUBJECTING THE REACTANTS TO THE INFLUENCE OF LIGHT RAYS.
Claim 2
Dependent Claim
104 words
A PROCESS FOR PRODUCING HALOGENATED THIOETHERS COMPRISING CONTACTING AN ORGANIC COMPOUND CONTAINING AT LEAST ONE UNSATURATED LINKAGE BETWEEN CARBON ATOMS OF ALIPHATIC CHARACTER WITH A MERCAPTAN IN A REACTION ZONE IN THE PRESENCE OF AN AZO COMPOUND WHICH HAS AN ACYCLIC AZO, -N=N-, GROUP BONDED TO DISCRETE NON-AROMATIC CARBONS, AT LEAST ONE OF WHICH IS TERTIARY AND HAS ATTACHED, THROUGH CARBON, A NEGATIVE RADICAL WHICH HAS THE REMAINING VALENCES OF SAID CARBON SATISFIED ONLY BY ELEMENTS OF THE CLASS CONSISTING OF OXYGEN AND NITROGEN, AT LEAST ONE OF SAID REACTANTS BEING A HALOGENATED COMPOUND, AND SUBJECTING THE REACTANTS TO THE INFLUENCE OF LIGHT RAYS.
References Cited (Backward Citations)
US3223738A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |