Patent US3621043A successfully refreshed from Google Patents.
US3621043A
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N-substituted octadecadienoic acid amides as cholesterol lowering agents
Assignee: Sumitomo Chemical Co Ltd
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Filing: 1967-03-22
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Granted: 1971-11-16
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Expires: 1987-03-22
Abstract
Abstract WHEREIN R'' is, for example, Alpha -methylbenzyl and various other organic substituents, and R'''' is hydrogen or a radical described with respect to R'', are provided, which compounds exhibit cholesterol-lowering activity. N-substituted octadecadienoic acid amides of the formula
Inventors
- 👤 Takashi Seki
- 👤 Chiharu Saito
- 👤 Katsuyuki Toki
- 👤 Keisuke Matsuka
- 👤 Yoshio Suzuki
- 👤 Akira Kobayashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:05
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/16; A; A61; A61K; A61K31/00; A61K31/13; A61K31/135; C07C; C07C233/00; C07C233/01; C07C233/02; C09; C09F; C09F5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
An N-substituted octadecadienoic acid according to claim 1, wherein the octadecadienoic acid is selected from the group consisting of linoleic acid, conjugated linoleic acid, translinoleic acid and conjugated translinoleic acid.
Claim 2
Dependent Claim
2 words
Alpha -methylbenzyllinoleamide.
References Cited (Backward Citations)
US2078653A
Cited
US2094609A
Cited
US2384811A
Cited
US2614981A
Cited
US2684969A
Cited
US2683132A
Cited
US3147261A
Cited
US3324179A
Cited
US3288822A
Cited
US3417114A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-15 | 1975-05-17 | 1975-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-15 | 1979-05-17 | 1979-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-15 | 1983-05-17 | 1983-11-16 | $7700.00 | Window Closed / Lapsed |