US3240609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydroxy naphthylmethylamino bis propionic acid derivatives as antioxidants for edible fats and oils
Assignee: Bayer Corp
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Filing: 1963-06-17
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Granted: 1966-03-15
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Expires: 1983-06-17
Abstract
No abstract record available.
Inventors
- 👤 Mitchell F Zienty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:01
CPC Classifications
C; C11; C11B; C11B5/00; C11B5/0042; C11B5/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A COMPOSITION SELECTED FROM THE GROUP CONSISTING OF EDIBLE FATS AND OILS SUBJECT TO OXIDATIVE DETERIORATION CONTAINING AS AN INHIBITOR FROM ABOUT 0.025% TO ABOUT 0.1% BY WEIGHT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 1 - HYDROXY - 2 - NAPHTHYLMETHYLAMINO-N-BIS PROPIONITRILE, 2 - HYDROXY - 1 - NAPHTHYLMETHYLAMINO-NBID PROPIONITRILE, 1 - HYDROXY - 2 - NAPHTHYLMETHYLAMINON-BIS PROPIONIC ACID AND 2 - HYDROXY - 1 - NAPHTHYLMETHYLAMINO-N-BIS PROPIONIC ACID.
Claim 2
Dependent Claim
72 words
A COMPOSITION SELECTED FROM THE GROUP CONSISTING OF EDIBLE FATS AND OILS SUBJECT TO OXIDATIVE DETERIORATION CONTAINING AS AN INHIBITOR FROM ABOUT 0.025% TO ABOUT 0.1% BY WEIGHT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 1 - HYDROXY - 2 - NAPHTHYLMETHYLAMINO-N-BIS PROPIONITRILE, 2 - HYDROXY - 1 - NAPHTHYLMETHYLAMINO-NBID PROPIONITRILE, 1 - HYDROXY - 2 - NAPHTHYLMETHYLAMINON-BIS PROPIONIC ACID AND 2 - HYDROXY - 1 - NAPHTHYLMETHYLAMINO-N-BIS PROPIONIC ACID.
References Cited (Backward Citations)
US2698247A
Cited
US2633425A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |