Patent US3334404A successfully refreshed from Google Patents.
Patent US3856857A successfully refreshed from Google Patents.
US3856857A
Expired / Lapsed
US
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Amino acids and their derivatives
Assignee: EN NOM COLLECTIF SCIENCE UNION
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Filing: 1972-06-16
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Granted: 1974-12-24
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Expires: 1992-06-16
Abstract
Abstract WHEREIN R3 and R4 are hydrogen or lower alkyl. These compounds possess anorexigenic, analgesic and lipid metabolism regulating properties. Amino acids and their derivatives of the formula: WHEREIN - X is hydrogen or halogen, - R is - HYDROXYL - LOWER ALKYLOXY, WHEREIN R1 and R2 are hydrogen, lower alkyl, PHENYL, PYRIDYL, HALOPHENYL, HALOPYRIDYL, LOWER AKLYLPHENYL, LOWER ALKYLPYRIDYL, LOWER ALKYLOXYPHENYL, LOWER ALKYLOXYPYRIDYL, TRIFLUOREMETHYLPHENYL, TRIFLUOROMETHYLPYRIDYL; R2 is CONH2 provided that R1 is hydrogen, and R1 + R2 together with the nitrogen atom to which they are attached are morpholinyl, pyrrolidinyl, piperidyl, indolinyl or isoindolinyl; or
Inventors
- 👤 L Beregi
- 👤 P Hugon
- 👤 Douarec J Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:24
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/72; C07D213/75; C07C; C07C243/00; C07C243/24; C07C243/26; C07C243/34; C07D209/00; C07D209/02; C07D209/04; C07D209/08; C07D295/00; C07D295/16; C07D295/18; C07D295/182; C07D295/185
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
3 words
N-METHYL(1-(3-TRIFLUOROMETHYL-4-CHLOROPHENYL) PROP-2YL)-AMINO ACETAMIDE.
Claim 2
Dependent Claim
3 words
N-METHYL(1-(3-TRIFLUOROMETHYL-4-CHLOROPHENYL) PROP-2YL)-AMINO ACETAMIDE.
Claim 3
Dependent Claim
4 words
N-Carbamoyl(1-(3-trifluoromethyl phenyl) prop-2-yl)-amino acetamide.
Claim 4
Dependent Claim
4 words
N-Carbamoyl(1-(3-trifluoromethyl phenyl) prop-2-yl)-amino acetamide.
Claim 5
Dependent Claim
5 words
(1-(3-Trifluoromethyl phenyl) prop-2-yl)-amino acetyl hydrazine.
Claim 6
Dependent Claim
5 words
(1-(3-Trifluoromethyl phenyl) prop-2-yl)-amino acetyl hydrazine.
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) | 1977-12-23 | 1978-06-24 | 1978-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-23 | 1982-06-24 | 1982-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-23 | 1986-06-24 | 1986-12-24 | $7700.00 | Window Closed / Lapsed |