Last Updated: August 9, 2026

Patent: 5,559,213

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Summary for Patent: 5,559,213

Title:	Polyethylene-protein conjugates
Abstract:	The present invention is a physiologically active, substantially non-immunogenic water soluble polyethylene glycol protein conjugate having the same utility as the protein which forms the conjugate, without having the same properties of producing an immunogenic response possessed by the protein which forms this conjugate.
Inventor(s):	John Hakimi, Patricia Kilian, Perry Rosen
Assignee:	Hoffmann La Roche Inc
Application Number:	US08/457,057
Patent Claims:	see list of patent claims
Patent landscape, scope, and claims summary:	error: insufficient information More… ↓ ⤷ Start Trial

Details for Patent 5,559,213

Glossary

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Applicant	Tradename	Biologic Ingredient	Dosage Form	BLA	Approval Date	Patent No.	Expiredate
Schering Corporation A Subsidiary Of Merck & Co., Inc.	PEGINTRON/ REBETOL COMBO PACK	peginterferon alfa-2b and ribavirin		125196	June 13, 2008	5,559,213	2015-06-01
>Applicant	>Tradename	>Biologic Ingredient	>Dosage Form	>BLA	>Approval Date	>Patent No.	>Expiredate

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