US2904584A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxidation of cyclic ketones
Assignee: Shell Development Co
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Filing: 1956-03-05
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Granted: 1959-09-15
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Expires: 1976-03-05
Abstract
No abstract record available.
Inventors
- 👤 George B Payne
- 👤 George E Hein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:35
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/16; C07C51/285; B; B01; B01J; B01J31/00; B01J31/02; B01J31/06; B01J31/08; B01J31/10; C07C29/00; C07C29/132; C07C29/136; C07C29/147; C07C29/149; C07C51/31; B01J2231/00; B01J2231/40; B01J2231/49; B01J2231/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A PROCESS FOR THE OXIDATION OF A CYCLIC ALKANONE OF 4 TO 10 CARBON ATOMS WHICH COMPRISES CLEAVING THE CYCLIC RING OF SAID ALKANONE TO FORM IN HIGH YIELD PRODUCTS ESTERIFIABLE WITH AN ALCOHOL TO ESTERS OF OMERGA-HYDROXY- AND OMEGA-ACYLOXY-MONOCARBOXYLIC ACIDS HAVING IN THE ACID CHAIN THE SAME NUMBER OF CARBON ATOMS AS THE STARTING CYCLIC ALKANONE BY TREATING SAID CYCLIC ALKONE WITH A LOWER FATTY PERACID IN THE PRESENCE OF A CATIONIC ION EXCHANGE RESIS OF THE SULFONIC ACID TYPE AT A TEMPERTURE WITHIN THE RANGE OF 40* TO 100* C.
Claim 2
Dependent Claim
92 words
A PROCESS FOR THE OXIDATION OF A CYCLIC ALKANONE OF 4 TO 10 CARBON ATOMS WHICH COMPRISES CLEAVING THE CYCLIC RING OF SAID ALKANONE TO FORM IN HIGH YIELD PRODUCTS ESTERIFIABLE WITH AN ALCOHOL TO ESTERS OF OMERGA-HYDROXY- AND OMEGA-ACYLOXY-MONOCARBOXYLIC ACIDS HAVING IN THE ACID CHAIN THE SAME NUMBER OF CARBON ATOMS AS THE STARTING CYCLIC ALKANONE BY TREATING SAID CYCLIC ALKONE WITH A LOWER FATTY PERACID IN THE PRESENCE OF A CATIONIC ION EXCHANGE RESIS OF THE SULFONIC ACID TYPE AT A TEMPERTURE WITHIN THE RANGE OF 40* TO 100* C.
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) | 1962-09-14 | 1963-03-16 | 1963-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-14 | 1967-03-16 | 1967-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-14 | 1971-03-16 | 1971-09-15 | $7700.00 | Window Closed / Lapsed |