US2989567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of olefinic carbinols
Assignee: Airco Inc
•
Filing: 1957-12-12
•
Granted: 1961-06-20
•
Expires: 1977-12-12
Abstract
No abstract record available.
Inventors
- 👤 Morton W Leeds
- 👤 Robert J Tedeschi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:08
CPC Classifications
C; C07; C07C; C07C33/00; C07C33/02; C07C33/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
A PROCESS FOR PRODUCING A TERTIARY OLEFINIC CARBINOL IN HIGH PURITY AND YIELD FROM ITS CORRESPONDING TERTIARY ACETYLENIC CARBINOL COMPRISING CONTACTING SAID TERTIARY ACETYLENIC CARBINOL WITH HYDROGEN IN THE PRESENCE OF A HYDROGENATION CATALYST SELECTED FROM THE GROUP CONSISTING OF PALLADIUM, PLATINUM AND RHODIUM AND AN ALKALINE MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALKALI METALS, ALKALI METAL HYDROXIDES AND ALKALI METAL ALCOHOLATES IN AN AMOUNT FROM ABOUT 15 TO ABOUT 50 PARTS BY WEIGHT PER PART OF CATALYST AT A TEMPERATURE AND UNDER PRESSURE CONDITIONS EFFECTIVE TO FORM THE DESIRED TERTIARY OLEFINIC CARBINOL WITH SAID TEMPERATURE BEING SUFFICIENTLY LOW TO SUPPRESS DECOMPOSITION OF FREE ACETYLENIC CARBINOL, HEATING THE RESULTING PRODUCT IN THE PRESENCE OF AN ALKALINE MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALKALI METALS, ALKALI METAL HYDROXIDES AND ALKALI METAL ALCOHOLATES AT A TEMPERATURE IN THE RANGE OF 85 TO 170* C. AND A PRESSURE IN THE RANGE OF 0 TO 200 P.S.I.G., AND RECOVERING SAID TERTIARY OLEFINIC CARBINOL.
Claim 2
Dependent Claim
161 words
A PROCESS FOR PRODUCING A TERTIARY OLEFINIC CARBINOL IN HIGH PURITY AND YIELD FROM ITS CORRESPONDING TERTIARY ACETYLENIC CARBINOL COMPRISING CONTACTING SAID TERTIARY ACETYLENIC CARBINOL WITH HYDROGEN IN THE PRESENCE OF A HYDROGENATION CATALYST SELECTED FROM THE GROUP CONSISTING OF PALLADIUM, PLATINUM AND RHODIUM AND AN ALKALINE MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALKALI METALS, ALKALI METAL HYDROXIDES AND ALKALI METAL ALCOHOLATES IN AN AMOUNT FROM ABOUT 15 TO ABOUT 50 PARTS BY WEIGHT PER PART OF CATALYST AT A TEMPERATURE AND UNDER PRESSURE CONDITIONS EFFECTIVE TO FORM THE DESIRED TERTIARY OLEFINIC CARBINOL WITH SAID TEMPERATURE BEING SUFFICIENTLY LOW TO SUPPRESS DECOMPOSITION OF FREE ACETYLENIC CARBINOL, HEATING THE RESULTING PRODUCT IN THE PRESENCE OF AN ALKALINE MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALKALI METALS, ALKALI METAL HYDROXIDES AND ALKALI METAL ALCOHOLATES AT A TEMPERATURE IN THE RANGE OF 85 TO 170* C. AND A PRESSURE IN THE RANGE OF 0 TO 200 P.S.I.G., AND RECOVERING SAID TERTIARY OLEFINIC CARBINOL.
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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) | 1964-06-19 | 1964-12-19 | 1965-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-19 | 1968-12-19 | 1969-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-19 | 1972-12-19 | 1973-06-20 | $7700.00 | Window Closed / Lapsed |