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Patent US4293564A successfully refreshed from Google Patents.
US4293564A
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US
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2-(3,5-Dibromo-4-amino-phenylimino)-imidazolidine, salts and compositions thereof
Assignee: Boehringer Ingelheim GmbH
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Filing: 1980-08-20
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Granted: 1981-10-06
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Expires: 2000-08-20
Abstract
Abstract The compound of the formula ##STR1## and non-toxic, pharmacologically acceptable acid addition salts thereof. The compound as well as its salts are useful as bradycardiacs.
Inventors
- 👤 Helmut Stahle
- 👤 Herbert Koppe
- 👤 Werner Kummer
- 👤 Wolfgang Hoefke
- 👤 Wolfram Gaida
- 👤 Ludwig Pichler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:07
CPC Classifications
C; C07; C07D; C07D233/00; C07D233/04; C07D233/28; C07D233/44; C07D233/50; A; A61; A61P; A61P9/00; A61P9/06; A61P9/10
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
10 words
2-(3,5-Dibromo-4-amino-phenylimino)imidazolidine or a non-toxic, pharmacologically acceptable acid addition salt thereof.
Claim 2
Dependent Claim
10 words
2-(3,5-Dibromo-4-amino-phenylimino)imidazolidine or a non-toxic, pharmacologically acceptable acid addition salt thereof.
Claim 3
Dependent Claim
24 words
A bradycardiac pharmaceutical dosage unit composition consisting essentially of an inert pharmaceutical carrier and an effective bradycardiac amount of a compound of claim 1.
References Cited (Backward Citations)
US3468887A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-10-05 | 1985-04-06 | 1985-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-10-05 | 1989-04-06 | 1989-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-10-05 | 1993-04-06 | 1993-10-06 | $7700.00 | Window Closed / Lapsed |