The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 30, 1994
Filed:
Sep. 13, 1993
Applicant:
Inventors:
Assignees:
Sumitomo Pharmaceuticals Company, Limited, Osaka, JP;
Seikagaku Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
544218 ; 435134 ;
Abstract
High purity polyethylene glycol derivatives of formula (I) are useful as protein modifiers of interferons, t-PA, EGF, various hormones, etc. The thus modified protein has minimized antigenicity, prolonged plasma half life, or improved transfer to tissue. A novel process for preparing high purity polyethylene glycol derivatives is also disclosed.
Quick Actions:
Ono, Keiichi. (1994). Polyethylene glycol derivatives, process for preparing the same (U.S. Patent No. 5342940). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5342940
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile