Patent US3186647A successfully refreshed from Google Patents.
Patent US3954872A successfully refreshed from Google Patents.
US3954872A
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1-(2',6'-Dimethyl-phenoxy)-2-amino-alkanes and salts thereof
Assignee: Boehringer Ingelheim GmbH
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Filing: 1974-10-01
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Granted: 1976-05-04
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Expires: 1994-10-01
Abstract
Abstract Compounds of the formula ##EQU1## wherein R is hydrogen or alkyl of 1 to 3 carbon atoms, and R 1 is hydrogen or methyl, And non-toxic, pharmacologically acceptable acid addition salts thereof; the compounds as well as their salts are useful as anticonvulsives and antiarrhythmics in warmblooded animals.
Inventors
- 👤 Herbert Koppe
- 👤 Karl Zeile
- 👤 Werner Kummer
- 👤 Helmut Stahle
- 👤 Peter Danneberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:04
CPC Classifications
F; F41; F41J; F41J11/00; F41J11/02; A; A61; A61K; A61K31/00; A61K31/13; A61K31/135
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
38 words
A racemic or optically active compound of the formula ##EQU10## wherein R is hydrogen or alkyl of 1 to 3 carbon atoms and R 1 is hydrogen or methyl, or a non-toxic, pharmacologically acceptable acid addition salt thereof.
Claim 2
Dependent Claim
38 words
A racemic or optically active compound of the formula ##EQU10## wherein R is hydrogen or alkyl of 1 to 3 carbon atoms and R 1 is hydrogen or methyl, or a non-toxic, pharmacologically acceptable acid addition salt thereof.
Claim 3
Dependent Claim
22 words
A compound according to claim 1, which is racemic or optically active 1-(2',6'-dimethyl-phenoxy)-2-amino-propane or a non-toxic, pharmacologically acceptable acid addition salt thereof.
Claim 4
Dependent Claim
22 words
A compound according to claim 1, which is racemic or optically active 1-(2',6'-dimethyl-phenoxy)-2-amino-pentane or a non-toxic, pharmacologically acceptable acid addition salt thereof.
Claim 5
Dependent Claim
22 words
A compound according to claim 1, which is racemic or optically active 1-(2',6'-dimethyl-phenoxy)-2-amino-hexane or a non-toxic, pharmacologically acceptable acid addition salt thereof.
References Cited (Backward Citations)
US3235597A
Cited
US3515741A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-05-04 | 1979-11-03 | 1980-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-05-04 | 1983-11-03 | 1984-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-05-04 | 1987-11-03 | 1988-05-04 | $7700.00 | Window Closed / Lapsed |