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:
Sep. 26, 1989
Filed:
Dec. 28, 1987
Applicant:
Inventors:
Hideo Takahashi, Hyogo, JP;
Kouichi Iwata, Hyogo, JP;
Assignee:
Sumitomo Electric Industries, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424486 ; 424484 ; 427-2 ; 427384 ; 523122 ;
Abstract
A process for producing a medical resin material comprising the steps of (a) adding and dispersing a porous powder containing a pharmaceutical solution in the fine pores thereof to a solution of a polyvinyl chloride resin which is prepared by uniformly dissolving a polyvinyl chloride resin into an organic solvent, thereby preparing a uniform mixed solution; (b) shaping by utilizing the flow property of the mixed solution; and (c) solidifying the shaped mixed solution by evaporizing to remove the organic solvent.