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:
Nov. 25, 1980
Filed:
May. 31, 1979
Applicant:
Inventors:
Francis J Fildes, Macclesfield, GB;
Francis G Hutchinson, Macclesfield, GB;
Assignee:
Imperial Chemical Industries Limited, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; A61K / ; A61K / ; A61K / ;
U.S. Cl.
CPC ...
528 79 ; 128285 ; 128260 ; 521159 ; 521174 ; 521175 ; 521177 ; 521905 ; 521914 ; 528 76 ; 528904 ; 424 14 ; 424 16 ; 424 19 ; 424 22 ; 424 78 ;
Abstract
A sustained release delivery means comprising a biologically active agent and a hydrophilic linear block poly oxyalkylene- polyurethane copolymer.
Fildes, Francis. (1980). Delivery means for biologically active agents (U.S. Patent No. 4235988). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4235988
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile