US3285970A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthesis of acetals
Assignee: Union Oil Company of California
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Filing: 1963-06-18
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Granted: 1966-11-15
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Expires: 1983-06-18
Abstract
No abstract record available.
Inventors
- 👤 William D Schaeffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:23
CPC Classifications
C; C07; C07C; C07C41/00; C07C41/48; C07C41/50; C07C41/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
THE SYNTHESIS OF ACETALS BY THE OXIDATION OF A 1OLEFIN HAVING 2 TO ABOUT 5 CARBON ATOMS THAT COMPRISES CONTACTING SAID OLEFIN AND AN OXYGEN CONTAINING GAS WITH A SUBSTANTIALLY ANHYDROUS ORGANIC RACTION MEDIUM COMPRISING AN ALKANOL HAVING FROM 1 TO ABOUT 10 CARBONS CONTAINING A CATALYTIC AMOUNT OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF PLATINUM GROUP METALS AND CHLORIDE AND BROMIDE SALTS THEREOF, BETWEEN ABOUT 0.1 AND ABOUT 5.0 WEIGHT PERCENT OF A STRONG MINERAL ACID SELECTED FROM THE CLASS CONSISTING OF SULFURIC, PHOSPHORIC, HYDROCHLORIC AND HYDROBOMIC ACIDS AND MIXTURES THEREOF, AND BETWEEN ABOUT 0.05 AND ABOUT 5.0 WEIGHT PERCENT OF HALOGEN AVALIABLE AS HALIDE IONS, SAID HALOGEN SELECTED FROM THE CLASS CONSISTING OF CHLORINE AND BROMINE, SAID CONTACTING BEING AT TEMPERATURES BETWEEN ABOUT 30* AND ABOUT 300* CENTIGRADE AND PRESSURES BETWEEN ABOUT 1 AND ABOUT 100 ATMOSPHERES.
Claim 2
Dependent Claim
141 words
THE SYNTHESIS OF ACETALS BY THE OXIDATION OF A 1OLEFIN HAVING 2 TO ABOUT 5 CARBON ATOMS THAT COMPRISES CONTACTING SAID OLEFIN AND AN OXYGEN CONTAINING GAS WITH A SUBSTANTIALLY ANHYDROUS ORGANIC RACTION MEDIUM COMPRISING AN ALKANOL HAVING FROM 1 TO ABOUT 10 CARBONS CONTAINING A CATALYTIC AMOUNT OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF PLATINUM GROUP METALS AND CHLORIDE AND BROMIDE SALTS THEREOF, BETWEEN ABOUT 0.1 AND ABOUT 5.0 WEIGHT PERCENT OF A STRONG MINERAL ACID SELECTED FROM THE CLASS CONSISTING OF SULFURIC, PHOSPHORIC, HYDROCHLORIC AND HYDROBOMIC ACIDS AND MIXTURES THEREOF, AND BETWEEN ABOUT 0.05 AND ABOUT 5.0 WEIGHT PERCENT OF HALOGEN AVALIABLE AS HALIDE IONS, SAID HALOGEN SELECTED FROM THE CLASS CONSISTING OF CHLORINE AND BROMINE, SAID CONTACTING BEING AT TEMPERATURES BETWEEN ABOUT 30* AND ABOUT 300* CENTIGRADE AND PRESSURES BETWEEN ABOUT 1 AND ABOUT 100 ATMOSPHERES.
References Cited (Backward Citations)
BE628848A
Cited
SU137508A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |