US2684385A
Expired / Lapsed
US
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Continuous aldolization
Assignee: Standard Oil Development Co
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Filing: 1949-12-16
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Granted: 1954-07-20
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Expires: 1969-12-16
Abstract
No abstract record available.
Inventors
- 👤 Frank A Biribauer
- 👤 Carl S Carlson
- 👤 Charles E Morrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:44
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/61; C07C45/67; C07C45/68; C07C45/72; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582; Y10; Y10S; Y10S203/00; Y10S203/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A PROCESS FOR ALDOLIZING A SATURATED ALIPHATIC CARBONYL REACTANT COMPOUND HAVING 4 CARBON ATOMS TO FORM A HIGHER MOLECULAR WEIGHT ALDOL CONDENSATION PRODUCT IN THE PRESENCE OF AN ALKALINE ALDOLIZATION CATALYST, WHICH COMPRISES SOLUBILIZING THE CARBONYL REACTANT IN AN AQUEOUS SOLUTION OF THE CATALYST CONTAINING ADMIXED ORGANIC HYDROTROPIC SOLUBILIZER, MAINTAINING AN ADEQUATE CONCENTRACTION OF SAID SOLUBILIZER IN THE AQUEOUS SOLUTION TO DISSOLVE SAID CARBONYL REACTANT BUT INADEQUATE TO DISSOLVE ITS ALDOL CONDENSATION PRODUCT, HEATING THE RRESULTING SOLUTION OF THE CARBONYL REACTANT TO A TEMPERATURE AT WHICH THE REACTANT UNDERGOES CONDENSATION TO THE ALDOL CONDENSTATION PRODUCT IN THE RANGE OF 20* C. TO 200* C., DISTILLING AN UNREACTED PORTION
Claim 2
Dependent Claim
108 words
A PROCESS FOR ALDOLIZING A SATURATED ALIPHATIC CARBONYL REACTANT COMPOUND HAVING 4 CARBON ATOMS TO FORM A HIGHER MOLECULAR WEIGHT ALDOL CONDENSATION PRODUCT IN THE PRESENCE OF AN ALKALINE ALDOLIZATION CATALYST, WHICH COMPRISES SOLUBILIZING THE CARBONYL REACTANT IN AN AQUEOUS SOLUTION OF THE CATALYST CONTAINING ADMIXED ORGANIC HYDROTROPIC SOLUBILIZER, MAINTAINING AN ADEQUATE CONCENTRACTION OF SAID SOLUBILIZER IN THE AQUEOUS SOLUTION TO DISSOLVE SAID CARBONYL REACTANT BUT INADEQUATE TO DISSOLVE ITS ALDOL CONDENSATION PRODUCT, HEATING THE RRESULTING SOLUTION OF THE CARBONYL REACTANT TO A TEMPERATURE AT WHICH THE REACTANT UNDERGOES CONDENSATION TO THE ALDOL CONDENSTATION PRODUCT IN THE RANGE OF 20* C. TO 200* C., DISTILLING AN UNREACTED PORTION
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) | 1957-07-19 | 1958-01-18 | 1958-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-19 | 1962-01-18 | 1962-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-19 | 1966-01-18 | 1966-07-20 | $7700.00 | Window Closed / Lapsed |