Patent US3843725A successfully refreshed from Google Patents.
US3843725A
Expired / Lapsed
US
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4(2-(alpha-methyl-phenethylamino)-ethoxy)-benzenes
Assignee: Laroche Navarron SA
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Filing: 1971-12-21
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Granted: 1974-10-22
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Expires: 1991-12-21
Abstract
Abstract This invention relates to phenoxyalkylamines having the formula: IN WHICH R1 is hydrogen, halogen, an alkyl or an alkoxy group, A is an alkyl, alkylaryl, cycloalkyl, alkenyl, cycloalkenyl group or a group IN WHICH R2 is an alkyl or alcoxy alkyl group, and R3 is an alkyl, cycloalkyl or aryl group, and their acid addition salts. Said phenoxyalkylamines possess coronary vasodilatator and cardiotonic properties.
Inventors
- 👤 H Pinhas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:21
CPC Classifications
C; C07; C07C; C07C217/00; C07C217/02; C07C217/04; C07C217/06; C07C217/14; C07C217/18; C07C217/22; C07C2601/00; C07C2601/12; C07C2601/14; C07C2601/16
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
1 words
1-(1-ETHOXY-PROPYL)-4-(2-(A-METHYL-PHENETHYLAMINO)BENZENE.
Claim 2
Dependent Claim
1 words
1-(1-ETHOXY-PROPYL)-4-(2-(A-METHYL-PHENETHYLAMINO)BENZENE.
Claim 3
Dependent Claim
3 words
1-Butenyl-4-(2-( Alpha -methyl-phenethylamino)-ethoxy)-benzene.
Claim 4
Dependent Claim
3 words
1-Butenyl-4-(2-( Alpha -methyl-phenethylamino)-ethoxy)-benzene.
Claim 5
Dependent Claim
3 words
1-(1-ethoxy-butyl)-4-(2-( Alpha -methyl-phenethylamino)-ethoxy)-benzene.
Claim 6
Dependent Claim
3 words
1-(1-ethoxy-butyl)-4-(2-( Alpha -methyl-phenethylamino)-ethoxy)-benzene.
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) | 1977-10-21 | 1978-04-22 | 1978-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-21 | 1982-04-22 | 1982-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-21 | 1986-04-22 | 1986-10-22 | $7700.00 | Window Closed / Lapsed |