US2645667A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condensation of alcohols in the presence of calcium hydroxide
Assignee: Phillips Petroleum Co
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Filing: 1951-10-01
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Granted: 1953-07-14
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Expires: 1971-10-01
Abstract
No abstract record available.
Inventors
- 👤 Edward E Burgoyne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:04
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/32; C07C29/34; Y; Y02; Y02P; Y02P20/00; Y02P20/10; Y02P20/129
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
68 words
A PROCESS FOR CONVERTING A LOWR MOLECULAR WEIGHT, NORMAL, PRIMARY ALKANO TO A HIGHER MOLECULAR WEIGHT ALCOHOL IN WHICH THE NUMBER OF CARBON ATOMS PER MOLECULE IS A NONINTEGRAL MULTIPLE OF THE NUMBER OF CARBON ATOMS PER MOLECULE OF THE LOWER MOLECULAR WEIGHT ALKANOL, WHICH PROCESS COMPRISES CONTACTING SAID ALKANOL WITH SODA-LIME AT A TEMPERATURE FROM 375* TO 580* C. AND A PRESSURE FROM 0 TO 1000 P.S.I.
Claim 2
Dependent Claim
68 words
A PROCESS FOR CONVERTING A LOWR MOLECULAR WEIGHT, NORMAL, PRIMARY ALKANO TO A HIGHER MOLECULAR WEIGHT ALCOHOL IN WHICH THE NUMBER OF CARBON ATOMS PER MOLECULE IS A NONINTEGRAL MULTIPLE OF THE NUMBER OF CARBON ATOMS PER MOLECULE OF THE LOWER MOLECULAR WEIGHT ALKANOL, WHICH PROCESS COMPRISES CONTACTING SAID ALKANOL WITH SODA-LIME AT A TEMPERATURE FROM 375* TO 580* C. AND A PRESSURE FROM 0 TO 1000 P.S.I.
Claim 3
Dependent Claim
70 words
A PROCESS WHICH COMPRISES INTERCONDENSING A NORMAL 1-ALKANOL HAVING FROM 2 TO 10 CARBON ATOMS PER MOLECULE WITH ANOTHER ALCOHOL SELECTED FROM THE GROUP CONSISTING OF 1-ALKANOLS HAVING 2 TO 10 CARBON ATOMS PER MOLECULE AND BEZYL ALCOHOL AND ITS HOMOLOGUES HAVING 7 TO 10 CARBON ATOMS PER MOLECULE IN THE PRESENCE OF SODA-LIME AT A TEMPERATURE FROM 375* TO 580* C. AND A PRESSURE OF 200 TO 1000 P.S.I.
Claim 4
Dependent Claim
70 words
A PROCESS WHICH COMPRISES INTERCONDENSING A NORMAL 1-ALKANOL HAVING FROM 2 TO 10 CARBON ATOMS PER MOLECULE WITH ANOTHER ALCOHOL SELECTED FROM THE GROUP CONSISTING OF 1-ALKANOLS HAVING 2 TO 10 CARBON ATOMS PER MOLECULE AND BEZYL ALCOHOL AND ITS HOMOLOGUES HAVING 7 TO 10 CARBON ATOMS PER MOLECULE IN THE PRESENCE OF SODA-LIME AT A TEMPERATURE FROM 375* TO 580* C. AND A PRESSURE OF 200 TO 1000 P.S.I.
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) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |