US2965679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of glycerol
Assignee: —
•
Filing: —
•
Granted: 1960-12-20
•
Expires: 1977-12-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:35
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/17; C07C29/172; C07C29/132; C07C29/60; C07C31/00; C07C31/02; C07C31/10; C07C31/18; C07C31/20; C07C31/202; C07C31/205; C07C31/22; C07C31/225; C07C31/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A PROCESS FOR THE PRODUCTION OF GLYCEROL AND GLYCOLS BY CATALYTIC HYDROGENATION AND SPLITTING OF SUGAR ALCOHOLS AT ELEVATED TEMPERATURES AND ELEVATED PRESSURES IN AQUEOUS ALKALINE SOLUTION, WHICH COMPRISES HYDROGENATING AND SPLITTING OF SAID ALCOHOLS AT TEMPERATURES RANGING FROM 200 TO 300*C. AND AT HYDROGEN PRESSURES OF 500 TO 1,000 ATMOSPHERES IN A SOLUTION HAVING A PH VALUE OF 8 TO 10.
Claim 2
Dependent Claim
62 words
A PROCESS FOR THE PRODUCTION OF GLYCEROL AND GLYCOLS BY CATALYTIC HYDROGENATION AND SPLITTING OF SUGAR ALCOHOLS AT ELEVATED TEMPERATURES AND ELEVATED PRESSURES IN AQUEOUS ALKALINE SOLUTION, WHICH COMPRISES HYDROGENATING AND SPLITTING OF SAID ALCOHOLS AT TEMPERATURES RANGING FROM 200 TO 300*C. AND AT HYDROGEN PRESSURES OF 500 TO 1,000 ATMOSPHERES IN A SOLUTION HAVING A PH VALUE OF 8 TO 10.
References Cited (Backward Citations)
US2004135A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |