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. 30, 1995
Filed:
Dec. 10, 1993
Applicant:
Inventor:
Per Johan Lundberg, Molndal, SE;
Assignee:
Aktiebolaget Astra, Sodertalje, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424490 ; 424489 ; 424480 ; 424494 ; 424484 ;
Abstract
A method for the manufacture of oral controlled release dosage units containing hydroxypropyl methylcellulose wherein the aqueous granulation is performed in the presence of one or more solutes, which inhibit gel formation during the granulation but allows the formation of a gel when administered orally. Also the new dosage units prepared according to the invention are included.