US3342879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dehydration process using molybdenum sulfide
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1963-07-03
•
Granted: 1967-09-19
•
Expires: 1983-07-03
Abstract
No abstract record available.
Inventors
- 👤 Pine Lloyd Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:15
CPC Classifications
C; C07; C07C; C07C1/00; C07C1/20; C07C1/24; C07C2527/00; C07C2527/02; C07C2527/04; C07C2527/047; C07C2527/051; Y; Y10; Y10S; Y10S585/00; Y10S585/929; Y10S585/93; Y10S585/932
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
69 words
A PROCESS FOR SELECTIVELY DEHYDRATING A MIXTURE CONSISTING OF ALCOHOLS CONTAINING BOTH PRIMARY AND SECONDARY HYDROXY GROUPS SELECTED FROM THE GROUP CONSISTING OF UNSUBSTITUTED SATURATED ALIPHATIC ALCOHOLS AND UNSUBSTITUTED SATURATED CYCLOALIPHATIC ALCOHOLS WHICH COMPRISES CONTACTING SAID MIXTURE WITH A MOLYBDENUM SULFIDE CATALYST AT A TEMPERATURE IN THE RANGE OF 400 TO 600*F. FOR A TIME SUFFICIENT TO RECOVER A MIXTURE OF PRODUCTS CONSISTING ESSENTIALLY OF PRIMARY ALCOHOLS AND OLEFINS.
Claim 2
Dependent Claim
69 words
A PROCESS FOR SELECTIVELY DEHYDRATING A MIXTURE CONSISTING OF ALCOHOLS CONTAINING BOTH PRIMARY AND SECONDARY HYDROXY GROUPS SELECTED FROM THE GROUP CONSISTING OF UNSUBSTITUTED SATURATED ALIPHATIC ALCOHOLS AND UNSUBSTITUTED SATURATED CYCLOALIPHATIC ALCOHOLS WHICH COMPRISES CONTACTING SAID MIXTURE WITH A MOLYBDENUM SULFIDE CATALYST AT A TEMPERATURE IN THE RANGE OF 400 TO 600*F. FOR A TIME SUFFICIENT TO RECOVER A MIXTURE OF PRODUCTS CONSISTING ESSENTIALLY OF PRIMARY ALCOHOLS AND OLEFINS.
Claim 3
Dependent Claim
49 words
THE PROCESS OF CLAIM 1 WHEREIN SAID MIXTURE OF OXYGENATED ORGANIC COMPOUNDS CONSISTS OF A MIXTURE OF ALCOHOLS OBTAINED FROM THE TELOMERIZATION OF METHANOL WITH ETHYLENE AND CONTAINS 15-50 WT. PERCENT OF SECONDARY ALCOHOLS, 1-5 WT. PERCENT OF TERTIARY ALCOHOLS, 10-25 WT. PERCENT HYDROCARBONS, THE REMAINDER BEING PRIMARY ALCOHOLS.
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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) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |