Patent US2934884A successfully refreshed from Google Patents.
Patent US2668860A successfully refreshed from Google Patents.
US2668860A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process fob preparing aryloxy
Assignee: —
•
Filing: —
•
Granted: 1954-02-09
•
Expires: 1971-02-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:15
CPC Classifications
C; C07; C07C; C07C41/00; C07C41/01; C07C41/18; C07C41/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A PROCESS FOR PRODUCING ARYLOXYMETHYL HALIDE WHICH COMPRISES REACTING A MEMBER OF THE CLASS CONSISTING OF ARYLOXYMETHANE SULPHONIC ACIDS AND THEIR SALTS WITH A MEMBER OF THE CLASS CONSISTING OF PHOSPHORUS PENTACHLORIDE, PENTABROMIDE, OXYCHLORIDE AND OXYBROMIDE AND THIONYL CHLORIDE AND BROMIDE.
Claim 2
Dependent Claim
41 words
A PROCESS FOR PRODUCING ARYLOXYMETHYL HALIDE WHICH COMPRISES REACTING A MEMBER OF THE CLASS CONSISTING OF ARYLOXYMETHANE SULPHONIC ACIDS AND THEIR SALTS WITH A MEMBER OF THE CLASS CONSISTING OF PHOSPHORUS PENTACHLORIDE, PENTABROMIDE, OXYCHLORIDE AND OXYBROMIDE AND THIONYL CHLORIDE AND BROMIDE.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
GB647215A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-08 | 1957-08-10 | 1958-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-08 | 1961-08-10 | 1962-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-08 | 1965-08-10 | 1966-02-09 | $7700.00 | Window Closed / Lapsed |