Patent JPS5349630U successfully refreshed from Google Patents.
US3108142A
Expired / Lapsed
US
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Catalytic hydrogenation of carbocyclic compounds having olefinic double linkages
Assignee: BASF SE
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Filing: 1958-07-14
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Granted: 1963-10-22
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Expires: 1978-07-14
Abstract
No abstract record available.
Inventors
- 👤 Reppe Walter
- 👤 Baur Karl
- 👤 Schweter Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:07
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/02; C07C5/03; C07C2521/00; C07C2521/06; C07C2521/08; C07C2521/14; C07C2521/18; C07C2523/00; C07C2523/16; C07C2523/32; C07C2523/34; C07C2523/70; C07C2523/72; C07C2523/74; C07C2523/755; C07C2523/76; C07C2523/84; C07C2523/889
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
IN A METHOD OF CATALYTICALLY HYDROGENATING AN OLEFINICALLY-UNSATURATED HYDROCARBON CONTAINING A CARBOCYCLIC GROUP, THE IMPROVEMENT WHICH COMPRISES CARRYING OUT SAID HYDROGENATION IN THE VAPOR PHASE AT A TEMPERATURE OF FROM 120*C. TO 300*C. AND AT SUBSTANTIALLY NORMAL PRESSURE WITH A LARGE EXCESS BY VOLUME OF HYDROGEN IN THE PRESENCE OF A HYDROGENATION CATALYST WHICH IS DEPOSITED ON A MACROPOROUS CARRIER HAVING A PORE DIAMETER OF NOT LESS THAN 1,000 A. AND AN INTERNAL SURFACE AREA OF ABOUT 1 TO 10 SQUARE METERS PER GRAM.
Claim 2
Dependent Claim
84 words
IN A METHOD OF CATALYTICALLY HYDROGENATING AN OLEFINICALLY-UNSATURATED HYDROCARBON CONTAINING A CARBOCYCLIC GROUP, THE IMPROVEMENT WHICH COMPRISES CARRYING OUT SAID HYDROGENATION IN THE VAPOR PHASE AT A TEMPERATURE OF FROM 120*C. TO 300*C. AND AT SUBSTANTIALLY NORMAL PRESSURE WITH A LARGE EXCESS BY VOLUME OF HYDROGEN IN THE PRESENCE OF A HYDROGENATION CATALYST WHICH IS DEPOSITED ON A MACROPOROUS CARRIER HAVING A PORE DIAMETER OF NOT LESS THAN 1,000 A. AND AN INTERNAL SURFACE AREA OF ABOUT 1 TO 10 SQUARE METERS PER GRAM.
References Cited (Backward Citations)
US2838375A
Cited
US2903492A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |