US3769430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pharmaceutical compositions containing a bis-(dihydroxy-phenyl-ethylol)-substituted alkylenediamine and-methods of using same
Assignee: C.H. Boehringer Sohn AG and Co KG
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Filing: 1972-05-12
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Granted: 1973-10-30
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Expires: 1992-05-12
Abstract
Abstract PHARMACEUTICAL COMPOSITIONS COMPRISING AS AN ACTIVE INGREDIENTS A COMPOUND OF THE FORMULA ((2-R2,3,4-DI(HO-)PHENYL)-CH(-OH)-CH2-NH-C(-R1)2)2-(CH2)M WHEREIN R1 IS HYDROGEN OR METHYL, R2 IS METHYL, METHOXY, ETHOXY OR CHLORINE AND, IF R1 IS METHYL, ADDITIONALLY HYDROGEN, AND M IS A WHOLE NUMBER FROM 0 TO 10, INCLUSIVE, OR A NON-TOXIC, PHAMACOLOGICALLY ACCEPTABLE ACID ADDITION SALT THEREOF; AND METHODS OF USING THE SAME AS UTERINE SPASMOLYTICS, ANTIPRUTITICS, VASODILATORES AND ANTIALLERGIC.
Inventors
- 👤 K Schromm
- 👤 A Mentrup
- 👤 A Engelhardt
- 👤 W Traunecker
- 👤 K Zeile
- 👤 E Renth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:41
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/13; A61K31/135
Claims Analysis
Total Claims: 0
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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) | 1976-10-29 | 1977-04-30 | 1977-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-29 | 1981-04-30 | 1981-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-29 | 1985-04-30 | 1985-10-30 | $7700.00 | Window Closed / Lapsed |