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:
Jun. 16, 1987
Filed:
Oct. 15, 1985
Applicant:
Inventors:
Assignee:
Debiopharm, S.A., , CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; B01J / ;
U.S. Cl.
CPC ...
42721332 ; 264-43 ; 424450 ; 424497 ; 42840224 ;
Abstract
The microencapsulation of medicamentous water-soluble substances is carried out by phase separation. The operations of the hardening step take place at a temperature comprised between about 0.degree. and about 25.degree. C., the non-solvent used during this step being an aliphatic fluorinated or fluorohalogenated hydrocarbon or a mixture of such hydrocarbons. Further, the non-solvent is used in an excess with respect to the volume of solvent and non-solvent resulting from the phase-separation step.