US3203998A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selective hydrogenation
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1963-02-06
•
Granted: 1965-08-31
•
Expires: 1983-02-06
Abstract
No abstract record available.
Inventors
- 👤 Honse William Thomas
- 👤 Watts Beulah Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:17
CPC Classifications
C; C07; C07C; C07C1/00; C07C1/20; C07C1/22; C07C2521/00; C07C2521/18; C07C2523/00; C07C2523/16; C07C2523/24; C07C2523/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A PROCESS FOR SELECTIVELY HYDROGENATING A MIXTURE OF C1 TO C30 PRIMARY MONOHYDRIC ALCOHOLS AND C3 TO C30 SECONDARY MONOHYDRIC ALCOHOLS WHICH COMPRISES CONTACTING A MIXTURE WITH HYDROGEN IN THE PRESENCE OF 1 TO 60 VOLUME PERCENT, BASED ON SAID ALCOHOLS, OF A MOLYBDENUM CATALYST AT A PRESSURE IN THE RANGE OF 1,000 TO 4,000P.S.I.G. AND A TEMPERATURE IN THE RANGE OF 400 TO 600* F. FOR A PERIOD OF 1 TO 15 HOURS AND RECOVERING A MIXTURE OF PRODUCTS CONSISTING ESSENTIALLY OF PRIMARY ALCOHOLS AND PARAFFINS.
Claim 2
Dependent Claim
87 words
A PROCESS FOR SELECTIVELY HYDROGENATING A MIXTURE OF C1 TO C30 PRIMARY MONOHYDRIC ALCOHOLS AND C3 TO C30 SECONDARY MONOHYDRIC ALCOHOLS WHICH COMPRISES CONTACTING A MIXTURE WITH HYDROGEN IN THE PRESENCE OF 1 TO 60 VOLUME PERCENT, BASED ON SAID ALCOHOLS, OF A MOLYBDENUM CATALYST AT A PRESSURE IN THE RANGE OF 1,000 TO 4,000P.S.I.G. AND A TEMPERATURE IN THE RANGE OF 400 TO 600* F. FOR A PERIOD OF 1 TO 15 HOURS AND RECOVERING A MIXTURE OF PRODUCTS CONSISTING ESSENTIALLY OF PRIMARY ALCOHOLS AND PARAFFINS.
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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |