US2567930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of epoxy compounds by oxidation of cis-monoolefine compounds
Assignee: Individual
•
Filing: 1945-01-30
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Granted: 1951-09-18
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Expires: 1965-01-30
Abstract
No abstract record available.
Inventors
- 👤 Thomas W Findley
- 👤 Swern Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:31
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/38; C07D303/04; C07D303/12; C07D303/14; C07D303/40; C07D303/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A PROCESS COMPRISING OXIDIZING OLEIC ACID WITH PARACETIC ACID DISSOLVED IN ACETIC ACID AT ROOM TEMPERTURE FOR ABOUT TWO HOURS, THEN MIXING THE REACTION MIXTURE WITH ICE WATER, AND THEN ISOLATING THE FORMED PRECIPITATE, WHICH COMPRISES MAINLY 9,10-EPOXYSTEARIC ACID, FROM THE RESULTING AQUEOUS SOLUTION.
Claim 2
Dependent Claim
44 words
A PROCESS COMPRISING OXIDIZING OLEIC ACID WITH PARACETIC ACID DISSOLVED IN ACETIC ACID AT ROOM TEMPERTURE FOR ABOUT TWO HOURS, THEN MIXING THE REACTION MIXTURE WITH ICE WATER, AND THEN ISOLATING THE FORMED PRECIPITATE, WHICH COMPRISES MAINLY 9,10-EPOXYSTEARIC ACID, FROM THE RESULTING AQUEOUS SOLUTION.
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) | 1954-09-17 | 1955-03-19 | 1955-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-17 | 1959-03-19 | 1959-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-17 | 1963-03-19 | 1963-09-18 | $7700.00 | Window Closed / Lapsed |