US2613233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing unsaturated hydrocarbons
Assignee: Phillips Petroleum Co
•
Filing: 1948-12-28
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Granted: 1952-10-07
•
Expires: 1968-12-28
Abstract
No abstract record available.
Inventors
- 👤 Donald R Blumer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:10
CPC Classifications
C; C07; C07C; C07C11/00; C07C11/02; C07C11/107; C07C1/00; C07C1/26; C07C1/30; C07C2527/00; C07C2527/06; C07C2527/138; Y; Y10; Y10S; Y10S585/00; Y10S585/929; Y10S585/93; Y10S585/935
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A PROCESS FOR PRODUCING MONO-OLEFINIC HYDROCARBONS WHICH COMPRISES CHLORINATING 2,3-DIMETHYLBUTANE UNDER CONDITIONS SUCH THAT MONOCHLORIDE DERIVATIVES OF SAID HYDROCARBON ARE THE PRINCIPAL REACTION PRODUCTS, SEPARATING THUS PRODUCED MONOCHLORIDE DERIVATIVES FROM MORE HIGHLY CHLORINATED DERIVATIVES OF SAID HYDROCARBON, SEPARATING THE PRIMARY MONOCHLORIDE DERIVATIVE FROM THE TERTIARY MONOCHLORIDE DERIVATIVE BY FRACTIONALLY DISTILLING THE MIXTURE OF SAME AT A KETTLE TEMPERATURE EFFECTING CONCOMITANT SELECTIVE DEHYDROCHLORINATION OF THE TERTIARY MONOCHLORIDE DERIVATIVE AND DISTILLATION OF RESULTING MONO-OLEFINIC HYDROCARBONS AND HYDROGEN CHLORIDE AS OVERHEAD PRODUCT, AND REMOVING LIQUID UNCONVERTED PRIMARY MONOCHLORIDE DERIVATIVE AS KETTLE PRODUCT.
Claim 2
Dependent Claim
89 words
A PROCESS FOR PRODUCING MONO-OLEFINIC HYDROCARBONS WHICH COMPRISES CHLORINATING 2,3-DIMETHYLBUTANE UNDER CONDITIONS SUCH THAT MONOCHLORIDE DERIVATIVES OF SAID HYDROCARBON ARE THE PRINCIPAL REACTION PRODUCTS, SEPARATING THUS PRODUCED MONOCHLORIDE DERIVATIVES FROM MORE HIGHLY CHLORINATED DERIVATIVES OF SAID HYDROCARBON, SEPARATING THE PRIMARY MONOCHLORIDE DERIVATIVE FROM THE TERTIARY MONOCHLORIDE DERIVATIVE BY FRACTIONALLY DISTILLING THE MIXTURE OF SAME AT A KETTLE TEMPERATURE EFFECTING CONCOMITANT SELECTIVE DEHYDROCHLORINATION OF THE TERTIARY MONOCHLORIDE DERIVATIVE AND DISTILLATION OF RESULTING MONO-OLEFINIC HYDROCARBONS AND HYDROGEN CHLORIDE AS OVERHEAD PRODUCT, AND REMOVING LIQUID UNCONVERTED PRIMARY MONOCHLORIDE DERIVATIVE AS KETTLE PRODUCT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-07 | 1956-04-07 | 1956-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-07 | 1960-04-07 | 1960-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-07 | 1964-04-07 | 1964-10-07 | $7700.00 | Window Closed / Lapsed |