Patent US4569236A successfully refreshed from Google Patents.
Patent US3093689A successfully refreshed from Google Patents.
US3093689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydroxy halogenated ether production
Assignee: Shell USA Inc
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Filing: 1960-07-08
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Granted: 1963-06-11
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Expires: 1980-07-08
Abstract
No abstract record available.
Inventors
- 👤 Kenneth B Cofer
- 👤 Robert W Fourie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:17
CPC Classifications
C; C07; C07C; C07C43/00; C07C43/02; C07C43/03; C07C43/04; C07C43/13; C07C43/137
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A PROCESS FOR PRODUCING AN UNSYMMETRICAL HALOSUBSTITUTED HYDROXY ETHER WHICH COMPRISES REACTING AT ABOUT 0* TO ABOUT 100*C. AN ETHYLENIC ALCOHOL HAVING UP TO 18 CARBON ATOMS PER MOLECULE AND A MEMBER OF THE GROUP CONSISTING OF PHENOL AND A LOWER ALKANOL WITH AN AQUEOUS HYPOHALOGENOUS ACID SOLUTION USING A MOLE RATIO OF SAID ACID TO ETHYLENIC ALCOHOL OF ABOUT 0.5:1 TO ABOUT 2:1 AND A MOLE RATIO OF ETHYLENIC ALCOHOL TO SAID GROUP MEMBER OF ABOUT 0.1:1 TO ABOUT 1.5:1, THE CONCENTRATION OF THE ETHYLENE ALCOHOL IN THE HYPOHALOGENOUS ACID SOLUTION AS CALCULATED WITHOUT SAID GROUP MEMBER BEING INITIALLY AT LEAST 50% BY WEIGHT, AND SAID ALCOHOLS CONTAINING ONLY CARBON, HYDROGEN AND HYXROXYL OXYGEN ATOMS WHEREBY AN UNSYMMETRICAL ETHER HAVING ATTACHED TO THE ETHER OXYGEN ATOM (A) THE RADICAL CORRESPONDING TO SAID GROUP MEMBER MINUS OH, AND (B) A HALO HYDROXY RADICAL DERIVED FROM THE ETHYLENIC ALCOHOL IS PRODUCED.
Claim 2
Dependent Claim
150 words
A PROCESS FOR PRODUCING AN UNSYMMETRICAL HALOSUBSTITUTED HYDROXY ETHER WHICH COMPRISES REACTING AT ABOUT 0* TO ABOUT 100*C. AN ETHYLENIC ALCOHOL HAVING UP TO 18 CARBON ATOMS PER MOLECULE AND A MEMBER OF THE GROUP CONSISTING OF PHENOL AND A LOWER ALKANOL WITH AN AQUEOUS HYPOHALOGENOUS ACID SOLUTION USING A MOLE RATIO OF SAID ACID TO ETHYLENIC ALCOHOL OF ABOUT 0.5:1 TO ABOUT 2:1 AND A MOLE RATIO OF ETHYLENIC ALCOHOL TO SAID GROUP MEMBER OF ABOUT 0.1:1 TO ABOUT 1.5:1, THE CONCENTRATION OF THE ETHYLENE ALCOHOL IN THE HYPOHALOGENOUS ACID SOLUTION AS CALCULATED WITHOUT SAID GROUP MEMBER BEING INITIALLY AT LEAST 50% BY WEIGHT, AND SAID ALCOHOLS CONTAINING ONLY CARBON, HYDROGEN AND HYXROXYL OXYGEN ATOMS WHEREBY AN UNSYMMETRICAL ETHER HAVING ATTACHED TO THE ETHER OXYGEN ATOM (A) THE RADICAL CORRESPONDING TO SAID GROUP MEMBER MINUS OH, AND (B) A HALO HYDROXY RADICAL DERIVED FROM THE ETHYLENIC ALCOHOL IS PRODUCED.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |