US3067265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dihalides from dialkali metal hydrocarbons
Assignee: Millennium Petrochemicals Inc
•
Filing: 1959-12-07
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Granted: 1962-12-04
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Expires: 1979-12-07
Abstract
No abstract record available.
Inventors
- 👤 Orville D Frampton
- 👤 Robert E Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:45
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/26; C07C17/263; C07C21/00; C07C21/02; C07C21/19
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
68 words
A PROCESS FOR PREPARING ALIPHATIC ORGANIC DIHALIDES WHICH COMPRISES REACTING A DIHALOGENATED HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF ETHYLENE DICHLORIDE, 1,4-DICHLOROBUTANE, 1-BROMO-2-CHLORETANE, AND METHYLENE CHLOROBROMIDE WITH A DIALKALI METAL ALIPHATIC HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF DISCODIOOTADIENE AND DISODIODIPHENYLBUTANE AT A TEMPERATURE BETWEEN ABOUT-40* AND +35*C., ABOUT 3 TO ABOUT 20 MOLES OF SAID DIHALOGENATED HYDROCARBON BEING EMPLOYED PER MOLE OF SAID DIALKALI METAL ALIPHATIC HYDROCARBON.
Claim 2
Dependent Claim
68 words
A PROCESS FOR PREPARING ALIPHATIC ORGANIC DIHALIDES WHICH COMPRISES REACTING A DIHALOGENATED HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF ETHYLENE DICHLORIDE, 1,4-DICHLOROBUTANE, 1-BROMO-2-CHLORETANE, AND METHYLENE CHLOROBROMIDE WITH A DIALKALI METAL ALIPHATIC HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF DISCODIOOTADIENE AND DISODIODIPHENYLBUTANE AT A TEMPERATURE BETWEEN ABOUT-40* AND +35*C., ABOUT 3 TO ABOUT 20 MOLES OF SAID DIHALOGENATED HYDROCARBON BEING EMPLOYED PER MOLE OF SAID DIALKALI METAL ALIPHATIC HYDROCARBON.
Claim 3
Dependent Claim
19 words
A MIXTURE COMPRISING ABOUT 45 PERCENT OF 1,10-DIHALODECADIENE-3,7, ABOUT 45 PERCENT OF 1,8-DIHALO-2VINYLOCATANE, AND ABOUT 10 PERCENT OF 1,6-DIHALO-2,5-DIVINYLHEXANE.
Claim 4
Dependent Claim
19 words
A MIXTURE COMPRISING ABOUT 45 PERCENT OF 1,10-DIHALODECADIENE-3,7, ABOUT 45 PERCENT OF 1,8-DIHALO-2VINYLOCATANE, AND ABOUT 10 PERCENT OF 1,6-DIHALO-2,5-DIVINYLHEXANE.
References Cited (Backward Citations)
US2563074A
Cited
US2832809A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-03 | 1966-06-04 | 1966-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-03 | 1970-06-04 | 1970-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-03 | 1974-06-04 | 1974-12-04 | $7700.00 | Window Closed / Lapsed |