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:
Jul. 17, 1984
Filed:
Apr. 02, 1981
Applicant:
Inventor:
Massimo Calanchi, Monza, IT;
Assignee:
Eurand S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J / ; B05D / ; B32B / ; A61K / ;
U.S. Cl.
CPC ...
424 35 ; 42721332 ; 42721333 ; 42840224 ;
Abstract
The invention relates to a process for preparing microcapsules in a liquid vehicle, allowing to microencapsulate both water soluble and water insoluble substances, using either ionic or non-ionic systems, in which the membrane enclosing the core of the microcapsules is formed by a polymer selected from the group of the phthalates, and more particularly by hydroxypropylmethylcellulose phthalate.