Patent US3002033A successfully refreshed from Google Patents.
US3002033A
Expired / Lapsed
US
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Preparation of 300 to 500 molecular weight alkyl chlorides
Assignee: ConocoPhillips Co
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Filing: 1959-02-09
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Granted: 1961-09-26
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Expires: 1979-02-09
Abstract
No abstract record available.
Inventors
- 👤 George C Feighner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:15
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/26; C07C17/272; C07C17/275; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/584
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A PROCESS OF PREPARING ALKYL HALIDES HAVING A MOLECULAR WEIGHT VARYING FROM 300 TO 500 WHICH COMPRISES REACTING 3 TO 5 MOLES OF PROPENE PER MOLE OF AN ALKYL CHLORIDE, SAID ALKYL CHLORIDE BEING SELECTED FROM THE GROUP CONSISTING OF TERTIARY BUTYL CHLORIDE AND HIGHLY BRANCHED NONYL CHLORIDE AND BEING FURTHER CHARACTERIZED IN THAT SAID REACTION IS CONDUCTED AT A TEMPERATURE OF 50 TO -70*C. IN THE PRESENCE OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF ALUMINUM CHLORIDE AND FERRIC CHLORIDE, THE PROCESS BEING STILL FURTHER CHARACTERIZED IN THAT WHEN THE CATALYST SELECTED IS ALUMINUM CHLORIDE AT LEAST .75 MOLE PERCENT BASED ON PROPENE IS EMPLOYED, AND WHEN THE CATALYST SELECTED IS FERRIC CHLORIDE AT LEAST 2.5 MOLE PERCENT BASED ON PROPENE IS EMPLOYED.
Claim 2
Dependent Claim
125 words
A PROCESS OF PREPARING ALKYL HALIDES HAVING A MOLECULAR WEIGHT VARYING FROM 300 TO 500 WHICH COMPRISES REACTING 3 TO 5 MOLES OF PROPENE PER MOLE OF AN ALKYL CHLORIDE, SAID ALKYL CHLORIDE BEING SELECTED FROM THE GROUP CONSISTING OF TERTIARY BUTYL CHLORIDE AND HIGHLY BRANCHED NONYL CHLORIDE AND BEING FURTHER CHARACTERIZED IN THAT SAID REACTION IS CONDUCTED AT A TEMPERATURE OF 50 TO -70*C. IN THE PRESENCE OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF ALUMINUM CHLORIDE AND FERRIC CHLORIDE, THE PROCESS BEING STILL FURTHER CHARACTERIZED IN THAT WHEN THE CATALYST SELECTED IS ALUMINUM CHLORIDE AT LEAST .75 MOLE PERCENT BASED ON PROPENE IS EMPLOYED, AND WHEN THE CATALYST SELECTED IS FERRIC CHLORIDE AT LEAST 2.5 MOLE PERCENT BASED ON PROPENE IS EMPLOYED.
References Cited (Backward Citations)
US2419500A
Cited
US2533053A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-25 | 1965-03-27 | 1965-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-25 | 1969-03-27 | 1969-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-25 | 1973-03-27 | 1973-09-26 | $7700.00 | Window Closed / Lapsed |