US3030429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the direct hydrogenation splitting of
Assignee: —
•
Filing: —
•
Granted: 1962-04-17
•
Expires: 1979-04-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:42
CPC Classifications
C; C07; C07C; C07C31/00; C07C31/18; C07C31/20; C07C31/205; C07C31/26; C07C29/00; C07C29/132; C07C29/136; C07C29/14; C07C29/141; C07C29/60; C07C31/22; C07C31/225
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A PROCESS FOR THE DIRECT PRODUCTION OF GLYCEROL AND GLYCOLS FROM AQUEOUS SACCHOROSE SOLUTIONS IN A SINGLE STAGE BY CATALYTIC HYDROGENATION SPLITTING, WHICH COMPRISES STARTING SAID HYDROGENATION AT A PH OF SUBSTANTIALLY 12, AND CARRYING OUT SAID HYDROGENATION WITHIN 2-10 MINUTES AT TEMPERATURES OF 180-250*C., AT PRESSURES OF 50-250 ATMOSPHERES AND WITH HYDROGENATION CATALYSTS SELECTED FROM THE GROUP CONSISTING OF NICKEL ON KIESELGUHR, NICKEL ON ALUMINUM OXIDE AND RANEY NICKEL.
Claim 2
Dependent Claim
70 words
A PROCESS FOR THE DIRECT PRODUCTION OF GLYCEROL AND GLYCOLS FROM AQUEOUS SACCHOROSE SOLUTIONS IN A SINGLE STAGE BY CATALYTIC HYDROGENATION SPLITTING, WHICH COMPRISES STARTING SAID HYDROGENATION AT A PH OF SUBSTANTIALLY 12, AND CARRYING OUT SAID HYDROGENATION WITHIN 2-10 MINUTES AT TEMPERATURES OF 180-250*C., AT PRESSURES OF 50-250 ATMOSPHERES AND WITH HYDROGENATION CATALYSTS SELECTED FROM THE GROUP CONSISTING OF NICKEL ON KIESELGUHR, NICKEL ON ALUMINUM OXIDE AND RANEY NICKEL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |