ANTI-ARRYTHMIC 3.beta.-AMINO-2.beta.-HYDROXY STEROIDS OF THE ANDROSTANE, OESTRANE AND PREGNANE SERIES
CA 1136122 A · Owner: Akzona Incorporated · Inventors: Boyd, Andrew C.; Savage, David S.; Sleigh, Thomas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
New and pharmacologically useful 3.beta.-amino-2.beta.-hydroxy steroids of the androtane, oestrane and pregnane series are described of the formula:, and pharmaceutically acceptable non-toxic acid-adition salts of these compounds, wherein: R1 is H, alkyl of one to six carbons or acyl of one to eighteen carbons; R2 is H or acyl of one to eighteen carbons: R3 is H or methyl Y is selected, from the group consisting of D acetalized O, H(.beta.OR4). R5 (.beta.OR4). H(.beta.COCH3) and H(.beta.CHOR4CH3); R4 is H or acyl of one to eighteen carbons; and R5 is a saturated or unsaturated aliphatic hydrocarbyl of one to four carbons; as well as pharmaceutically acceptable compositions comprising a …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted November 23, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 23, 1999.
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Timeline
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.