Anticipate generic drug launch
Drug patents …
… from Kazakhstan to Kalamazoo
Proactively manage your pharmacy inventory
Manage your formulary budget
Find generic entry opportunities
Deep knowledge on
small-molecule drugs and
the 110,000 global patents
Flat-rate pricing for predictable budgeting
Short-term plans for project- or client-based billing
Upgrade to enjoy subscriber-only features like email alerts and data export. See the Plans and Pricing
|Title:||20-Spiroxanes and analogues having an open ring E, processes for their manufacture, and pharmaceutical preparations thereof|
|Abstract:||Steroid compounds of the 20-spiroxane series and their analogues having an open ring E of the formula, ##STR1## in which --A--A-- represents the group --CH.sub.2 --CH.sub.2 -- or --CH.dbd.CH--, R.sup.1 represents hydrogen, and R.sup.2 represents an .alpha.-oriented lower alkoxycarbonyl radical, or R.sup.1 and R.sup.2 together represent an .alpha.- or a .beta.-oriented methylene radical, --B--B-- represents the group --CH.sub.2 --CH.sub.2 -- or an .alpha.- or .beta.-oriented group ##STR2## X represents two hydrogen atoms or oxo, Y.sup.1 and Y.sup.2 together represent the oxygen bridge --O--, or Y.sup.1 represents hydroxy, and Y.sup.2 represents hydroxy, lower alkoxy or, if X represents H.sub.2, also lower alkanoyloxy, and salts of compounds in which X represents oxo and Y.sup.2 represents hydroxy, are distinguished as effective aldosterone-antagonists with minimal side-effects and, for that reason, are especially suitable for the treatment of all forms of hyperaldosteronism.|
|Inventor(s):||Grob; Jurgen (Giebenach, CH), Kalvoda; Jaroslav (Binningen, CH)|
|Assignee:||Ciba Geigy Corporation (Ardsley, NY)|
Patent Claim Types:|
see list of patent claims
|Compound; Composition; Use;|
|Foriegn Application Priority Data|
|Foreign Country||Foreign Patent Number||Foreign Patent Date|
|Switzerland||1981/83||Apr 13, 1983|
|Country||Document Number||Estimated Expiration||Supplementary Protection Certificate||SPC Country||SPC Expiration|
|Denmark||189484||<disabled in preview>|
|Germany||122004000012||<disabled in preview>|
|German Democratic Republic||251144||<disabled in preview>|
| This preview shows a limited data set|
Subscribe for full access, or try a Trial
The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.
Export unavailable in trial.
Subscribe for complete access.
Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verifification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.