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:
Oct. 24, 1995
Filed:
Jun. 27, 1994
Applicant:
Inventors:
Sonya Merrill, San Jose, CA (US);
Atul D Ayer, Palo Alto, CA (US);
Paul Hwang, Campbell, CA (US);
Anthony L Kuczynski, Mt. View, CA (US);
Assignee:
Alza Corporation, Palo Alto, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; A61K / ;
U.S. Cl.
CPC ...
424470 ; 424464 ; 424468 ; 424469 ; 424472 ;
Abstract
A bilayer comprising a morphine layer of morphine, poly(alkylene oxide) and poly(vinylpyrrolidone); and an expandable contacting layer of coated granules of a higher molecular weight poly(alkylene oxide) and a hydroxyalkylcellulose, which bilayer is disclosed for morphine therapy. A method is disclosed for using the bilayer composition.