US2548369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treating fatty acid nitriles to improve the odor thereof
Assignee: Armour and Co
•
Filing: 1948-12-10
•
Granted: 1951-04-10
•
Expires: 1968-12-10
Abstract
No abstract record available.
Inventors
- 👤 Harwood James
- 👤 Brow Paul Du
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:56
CPC Classifications
C; C07; C07C; C07C255/00; Y; Y10; Y10T; Y10T436/00; Y10T436/25; Y10T436/25125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A PROCESS FOR TREATING FATTY ACID NITRILES CONTAINING AT LEAST 12 CARBON ATOMS TO REMOVE OBJECTIONABLE ODOR THEREFROM, COMPRISING ADMIXING WITH SAID NITRILES PHOSPHORIC ACID, HEATING THE MIXTURE TO BETWEEN 25* AND 100* C. FOR A PERIOD OF FROM 2 TO 6 HOURS, SEPARATING FROM SAID NITRILES A PRECIPITATE FORMED THROUGH THE ACTION OF SAID MINERAL ACID.
Claim 2
Dependent Claim
57 words
A PROCESS FOR TREATING FATTY ACID NITRILES CONTAINING AT LEAST 12 CARBON ATOMS TO REMOVE OBJECTIONABLE ODOR THEREFROM, COMPRISING ADMIXING WITH SAID NITRILES PHOSPHORIC ACID, HEATING THE MIXTURE TO BETWEEN 25* AND 100* C. FOR A PERIOD OF FROM 2 TO 6 HOURS, SEPARATING FROM SAID NITRILES A PRECIPITATE FORMED THROUGH THE ACTION OF SAID MINERAL ACID.
References Cited (Backward Citations)
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Cited
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US2267269A
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-09 | 1954-10-09 | 1955-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-09 | 1958-10-09 | 1959-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-09 | 1962-10-09 | 1963-04-10 | $7700.00 | Window Closed / Lapsed |