Details for Patent: 4,138,565

Summary for Patent: 4,138,565

Title:	Stable solutions and processes for their preparation
Abstract:	Solutions of certain hydrogenated ergopeptide alkaloids in mixtures of pharmacologically acceptable alcohols and water have improved stability. Preferred solvents are mixtures of ethanol, propylene glycol and glycerol containing from 15-40% wt. of water and having dielectric constants between 34 and 46. With these solutions it is not essential to carry out the filing operation under an inert atmosphere.
Inventor(s):	Ehrhardt; Lothar (Nuremberg, DE), Patt; Ludwig (Nuremberg, DE), Hartmann; Volker (Nuremberg, DE)
Assignee:	Sandoz Ltd. (Basel, CH)
Application Number:	05/833,784
Patent Claim Types: see list of patent claims	Composition; Formulation; Compound; Use;

Drugs Protected by US Patent 4,138,565

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate

Foreign Priority and PCT Information for Patent: 4,138,565

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
Germany	2524184	May 31, 1975
Germany	2735587	Aug 6, 1977

International Family Members for US Patent 4,138,565

Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Austria	355725
Austria	364463
Austria	A390476
Austria	A567378
Australia	1442276