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:
May. 10, 1983
Filed:
Oct. 30, 1980
Applicant:
Inventor:
Baruch S Shasha, Peoria, IL (US);
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
A01N / ; A01N / ; A61K / ; B01J / ;
U.S. Cl.
CPC ...
71 88 ; 71 6411 ; 71100 ; 71105 ; 71117 ; 71118 ; 71121 ; 71122 ; 71DI / ; 424 22 ; 424 35 ; 264-43 ; 42721332 ;
Abstract
Water-insoluble chemical biological agents to be encapsulated are dispersed in an aqueous paste of a starch-containing material alkoxide. Subsequent addition of selected water-soluble alkali earth metal cations insolubilize the paste, thereby entrapping the agents in a protective matrix. Encapsulation of biologically active compositions provides a shield against hostile environments, improves safety in handling, and slows the release of such compounds to the surrounding medium. Highly volatile liquids are protected against losses by evaporation. Encapsulation also provides protection against decomposition from exposure to ultraviolet light.