Patent US3833634A successfully refreshed from Google Patents.
US3833634A
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US
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Manufacture of polyfunctional compounds
Assignee: Union Carbide Corp
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Filing: 1972-01-19
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Granted: 1974-09-03
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Expires: 1992-01-19
Abstract
Abstract A PROCESS FOR THE PREPARATION OF POLYFUNCTIONAL OXYGENCONTAINING COMPOUNDS SUCH AS ETHYLENE GLYCOL AND/OR DERIVATIVES THEREOF WHICH COMPRISE REACTING AN OXIDE OF CARBON WITH HYDROGEN USING A RHODIUM COMPLEX CATALYST.
Inventors
- 👤 R Pruett
- 👤 W Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:22
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/16; B01J31/18; B01J31/1805; B01J31/181; B01J31/1815; B01J31/1825; B01J31/183; B01J31/20; B01J31/22; B01J31/2204; B01J31/2208; B01J31/2226; B01J31/223; B01J31/2243; C; C07; C07C; C07C29/00; C07C29/09; C07C29/10; C07C29/15; C07C29/151; C07C29/1512; C07C29/1514; C07C29/153; C07C29/154; C07C29/156; C07C29/157; C07C29/158; C07C51/00; C07C51/10; B01J2531/00; B01J2531/80; B01J2531/82; B01J2531/822; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1977-09-02 | 1978-03-04 | 1978-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-02 | 1982-03-04 | 1982-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-02 | 1986-03-04 | 1986-09-03 | $7700.00 | Window Closed / Lapsed |