US3897465A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ethyl beta-(N-methylfurfurylamino) propionate
Assignee: Anaquest Inc
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Filing: 1973-05-07
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Granted: 1975-07-29
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Expires: 1993-05-07
Abstract
Abstract This invention relates to the compound ethyl Beta -(Nmethylfurfurylamino) propionate having the formula: ITS WATER SOLUBLE SALTS AND A METHOD OF PREPARING THE COMPOUND BY REACTING ETHYL ACRYLATE WITH N-methylfurfurylamine. Compositions containing an effective amount of the compounds of the present invention are useful for tranquilizing and producing analgesia in mammals.
Inventors
- 👤 Morton W Leeds
- 👤 Alex J Szur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:02
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/02; C07D307/34; C07D307/38; C07D307/52
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
20 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ETHYL B-(N-METHYLFURFURYLAMINO) PROPIONATE AND A WATER SOLUBLE SALT OF ETHYL B-(N-METHYLFURFURYLAMINO) PROPIONATE.
Claim 2
Dependent Claim
20 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ETHYL B-(N-METHYLFURFURYLAMINO) PROPIONATE AND A WATER SOLUBLE SALT OF ETHYL B-(N-METHYLFURFURYLAMINO) PROPIONATE.
Claim 3
Dependent Claim
6 words
The compound ethyl Beta -(N-methylfurfurylamino) propionate.
Claim 4
Dependent Claim
6 words
The compound ethyl Beta -(N-methylfurfurylamino) propionate.
Claim 5
Dependent Claim
45 words
A compound consisting of a salt of ethyl Beta -(N-methylfurfurylamino) propionate, said salt being selected from the group consisting of the hydrogen chloride salt, the hydrogen bromide salt, the hydrogen iodide salt, the phosphoric acid salt, the sulfuric acid salt, and the citric acid salt.
Claim 6
Dependent Claim
45 words
A compound consisting of a salt of ethyl Beta -(N-methylfurfurylamino) propionate, said salt being selected from the group consisting of the hydrogen chloride salt, the hydrogen bromide salt, the hydrogen iodide salt, the phosphoric acid salt, the sulfuric acid salt, and the citric acid salt.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-07-28 | 1979-01-27 | 1979-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-07-28 | 1983-01-27 | 1983-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-07-28 | 1987-01-27 | 1987-07-29 | $7700.00 | Window Closed / Lapsed |