Patent US3301909A successfully refreshed from Google Patents.
US3301909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
By iajl
Assignee: —
•
Filing: —
•
Granted: 1967-01-31
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Expires: 1984-01-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:31
CPC Classifications
C; C07; C07C; C07C31/00; C07C31/02; C07C31/125; C07C29/00; C07C29/132; C07C29/136; C07C29/14; C07C29/141; B; B01; B01J; B01J25/00; B01J25/02; C07C29/143; C07C29/145; C07C29/17; C07C29/175; C07C31/10; C07C31/12; C07C33/00; C07C33/18; C07C33/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
A PROCESS FOR THE CONTINUOUS PRODUCTION OF ALKANOLS BY THE HYDROGENATION OF SUBSTANTIALLY PURE ALIPHATIC HYDROCARBYL ALDEHYDE HAVING 6 TO 13 CARBON ATOMS WHICH COMPRISES PASSING A SUBSTANTIALLY PURE ALIPHATIC HYDROCARBYL ALDEHYDE FEED THROUGH A PLURALITY OF REACTION ZONES IN SERIES AT A FLOW RATE WITHIN THE RANGE OF ABOUT 3 TO 30 CUBIC METERS PER SQUARE METER OF CATALYST SURFACE, PER HOUR, AT LEAST ONE OF THE REACTION ZONES IN THE INITIAL STAGES OF THE PROCESS BEING DIVIDED INTO A PLURALITY OF SMALLER REACTION ZONES, AND EACH REACTION ZONE MAINTAINED AT A REACTION TEMPERATURE OF ABOUT 110 TO 160*C. AND A PRESSURE OF ABOUT 20 TO 35 ATMOSPHERES, CONTACTING THE FEED IN EACH REACTION ZONE WITH HYDROGEN IN THE PRESENCE OF A NICKEL CATALYST WHICH IN IN A FIXED BED AND HAS A PARTICLE SIZE IN THE RANGE OF ABOUT 5-25 MM., RECYCLING A PART OF THE PRODUCT OF EACH REACTION ZONE TO THAT ZONE, ND RECOVERING A SUBSTANTIALLY COMPLETELY HYDROGENATED PRODUCT.
Claim 2
Dependent Claim
163 words
A PROCESS FOR THE CONTINUOUS PRODUCTION OF ALKANOLS BY THE HYDROGENATION OF SUBSTANTIALLY PURE ALIPHATIC HYDROCARBYL ALDEHYDE HAVING 6 TO 13 CARBON ATOMS WHICH COMPRISES PASSING A SUBSTANTIALLY PURE ALIPHATIC HYDROCARBYL ALDEHYDE FEED THROUGH A PLURALITY OF REACTION ZONES IN SERIES AT A FLOW RATE WITHIN THE RANGE OF ABOUT 3 TO 30 CUBIC METERS PER SQUARE METER OF CATALYST SURFACE, PER HOUR, AT LEAST ONE OF THE REACTION ZONES IN THE INITIAL STAGES OF THE PROCESS BEING DIVIDED INTO A PLURALITY OF SMALLER REACTION ZONES, AND EACH REACTION ZONE MAINTAINED AT A REACTION TEMPERATURE OF ABOUT 110 TO 160*C. AND A PRESSURE OF ABOUT 20 TO 35 ATMOSPHERES, CONTACTING THE FEED IN EACH REACTION ZONE WITH HYDROGEN IN THE PRESENCE OF A NICKEL CATALYST WHICH IN IN A FIXED BED AND HAS A PARTICLE SIZE IN THE RANGE OF ABOUT 5-25 MM., RECYCLING A PART OF THE PRODUCT OF EACH REACTION ZONE TO THAT ZONE, ND RECOVERING A SUBSTANTIALLY COMPLETELY HYDROGENATED PRODUCT.
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) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |