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. 16, 1993
Filed:
Oct. 09, 1992
Applicant:
Inventors:
Paul B Weisz, Yardley, PA (US);
Yuen W Shing, Randolph, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08B / ; A61K / ; A61K / ;
U.S. Cl.
CPC ...
514 58 ; 536103 ; 536122 ;
Abstract
Polyionic derivatives of cyclodextrin polymers and cyclodextrins immobilized on a solid surface are disclosed. Compositions and methods for separating a molecular species, including but not limited to a biologically active protein, from a mixture, for the storage of protein factors and for the therapeutic biodelivery of protein factors which employ the polyionic derivatives of cyclodextrin polymers and cyclodextrins immobilized on a solid surface are also disclosed.