US2662908A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxidation of fatty acids
Assignee: CP Hall Co
•
Filing: 1951-03-30
•
Granted: 1953-12-15
•
Expires: 1971-03-30
Abstract
No abstract record available.
Inventors
- 👤 Roger L Logan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:13
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/16; C07C51/27; C07C51/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
THE PROCESS OF PRODUCING MONOCARBOXYLIC ACID, WHICH COMPRISES OXIDIZING FATTY ACID CONTAINING 4 TO 24 CARBON ATOMS WITH AIR IN THE PRESENCE OF NITRIC ACID OF 8 TO 30 PER CENT CONCENTRATION AT AN ELEVATED TEMPERATURE AND THEREBY PRODUCING FATTY ACID OF SHORTER CHAIN LENGTH THAN THE ORIGINAL FATTY ACID TOGETHER WITH DICARBOXYLIC ACID AND VOLATILIZING SAID ACID OF SHORTER CHAIN LENGTH FROM THE REACTION MIXTURE DURING THE REACTION, CONDENSING IT AND COLLECTING IT SEPARATELY FROM THE REACTING MASS.
Claim 2
Dependent Claim
79 words
THE PROCESS OF PRODUCING MONOCARBOXYLIC ACID, WHICH COMPRISES OXIDIZING FATTY ACID CONTAINING 4 TO 24 CARBON ATOMS WITH AIR IN THE PRESENCE OF NITRIC ACID OF 8 TO 30 PER CENT CONCENTRATION AT AN ELEVATED TEMPERATURE AND THEREBY PRODUCING FATTY ACID OF SHORTER CHAIN LENGTH THAN THE ORIGINAL FATTY ACID TOGETHER WITH DICARBOXYLIC ACID AND VOLATILIZING SAID ACID OF SHORTER CHAIN LENGTH FROM THE REACTION MIXTURE DURING THE REACTION, CONDENSING IT AND COLLECTING IT SEPARATELY FROM THE REACTING MASS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |