US3129251A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of polyols from olefins
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1960-01-28
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Granted: 1964-04-14
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Expires: 1980-01-28
Abstract
No abstract record available.
Inventors
- 👤 Alfred J Rutkowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:55
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/02; C07F5/027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
PROCESS FOR PREPARING A NON-VICINAL GLYCOL FROM AN ACYCLIC C4 TO C8 DIOLEFIN HAVING ONE TERMINAL AND ONE INTERNAL DOUBLE BOND WHICH COMPRISES REACTING 1 TO 6 MOLES OF SAID DIOLEFIN WITH 1 MOLE OF BORON HYDRIDE AT 0 TO 30* C. UNDER SUBSTANTIALLY ATMOSPHERIC PRESSURE IN THE PRESSENCE OF 0.1 TO 400 WEIGHT PERCENT OF A C4 TO C6 ORGANIC ETHER, BASED ON SAID BORON HYDRIDE AND SAID DIOLEFIN, FOR UP TO 10 HOURS THEREBY FORMING A POLYORGANO BORANE INTERMEDIATE SUBJECTING SAID INTERMEDIATE TO TEMPERATURES OF ABOUT 150 TO 200*C. FOR ABOUT 1 TO 8 HOURS, CONTACTING SAID INTERMEDIATE COMPOUND WITH AQUEOUS HYDROGEN PEROXIDE AT -10 TO 100*C. FOR FROM A FEW MINUTES TO 8 HOURS, UNDER 1 TO 3000 P.S.I.G. AND RECOVERING A GLYCOL CONTAINING PRIMARY HYDROXY GROUPS.
Claim 2
Dependent Claim
130 words
PROCESS FOR PREPARING A NON-VICINAL GLYCOL FROM AN ACYCLIC C4 TO C8 DIOLEFIN HAVING ONE TERMINAL AND ONE INTERNAL DOUBLE BOND WHICH COMPRISES REACTING 1 TO 6 MOLES OF SAID DIOLEFIN WITH 1 MOLE OF BORON HYDRIDE AT 0 TO 30* C. UNDER SUBSTANTIALLY ATMOSPHERIC PRESSURE IN THE PRESSENCE OF 0.1 TO 400 WEIGHT PERCENT OF A C4 TO C6 ORGANIC ETHER, BASED ON SAID BORON HYDRIDE AND SAID DIOLEFIN, FOR UP TO 10 HOURS THEREBY FORMING A POLYORGANO BORANE INTERMEDIATE SUBJECTING SAID INTERMEDIATE TO TEMPERATURES OF ABOUT 150 TO 200*C. FOR ABOUT 1 TO 8 HOURS, CONTACTING SAID INTERMEDIATE COMPOUND WITH AQUEOUS HYDROGEN PEROXIDE AT -10 TO 100*C. FOR FROM A FEW MINUTES TO 8 HOURS, UNDER 1 TO 3000 P.S.I.G. AND RECOVERING A GLYCOL CONTAINING PRIMARY HYDROXY GROUPS.
References Cited (Backward Citations)
US2977389A
Cited
US3008997A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |