Patent: 5,567,422

Summary for Patent: 5,567,422

Title:	Azlactone activated polyalkylene oxides conjugated to biologically active nucleophiles
Abstract:	Water-soluble azlactone activated polyalkylene oxides having improved hydrolytic stability and conjugates of the azlactone activated polyalkylene oxides with biologically active nucleophiles are disclosed. Methods of forming and conjugating the activated polyalkylene oxides with biologically active nucleophiles are also disclosed.
Inventor(s):	Greenwald; Richard B. (Somerset, NJ)
Assignee:	Enzon, Inc. (Piscataway, NJ)
Application Number:	08/220,307
Patent Claims:	see list of patent claims

Details for Patent 5,567,422

Applicant	Tradename	Biologic Ingredient	Dosage Form	BLA	Approval Date	Patent No.	Expiredate
Ferring Pharmaceuticals Inc.	NOVAREL	chorionic gonadotropin	For Injection	017016	01/15/1974		2013-10-22
Ferring Pharmaceuticals Inc.	NOVAREL	chorionic gonadotropin	For Injection	017016	12/27/1984		2013-10-22
Ferring Pharmaceuticals Inc.	NOVAREL	chorionic gonadotropin	For Injection	017016	02/15/1985		2013-10-22
Ferring Pharmaceuticals Inc.	NOVAREL	chorionic gonadotropin	For Injection	017016	02/16/1990		2013-10-22
Bel-mar Laboratories, Inc.	CHORIONIC GONADOTROPIN	chorionic gonadotropin	Injection	017054	03/26/1974		2013-10-22
Fresenius Kabi Usa, Llc	CHORIONIC GONADOTROPIN	chorionic gonadotropin	For Injection	017067	03/05/1973		2013-10-22
Recordati Rare Diseases, Inc.	ELSPAR	asparaginase	For Injection	101063	01/10/1978		2013-10-22