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:
Jan. 02, 1996
Filed:
Jan. 28, 1993
Applicant:
Inventors:
Assignee:
Shionogi Seiyaku Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; B01J / ; B01J / ;
U.S. Cl.
CPC ...
424492 ; 264-43 ; 264-432 ; 264-433 ; 4284022 ; 514821 ;
Abstract
A process for producing microcapsules with an adhesive coating layer which comprises forming a slurry of microcapsules in a medium selected from water, one or more organic solvents or a mixture thereof by a coacervation method, adding powders of a pharmaceutically acceptable inorganic compound which is insoluble in the medium to the slurry, so that the inorganic compound adheres to substantially the overall surface of the adhesive coating layer, and separating the microcapsules from the medium.