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. 07, 2010
Filed:
Sep. 02, 2004
Applicants:
Siva N. Raman, St. Louis, MO (US);
John P. Cunningham, St. Louis, MO (US);
Inventors:
Siva N. Raman, St. Louis, MO (US);
John P. Cunningham, St. Louis, MO (US);
Assignee:
Mallinckrodt Inc., Hazelwood, MO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 9/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
There is disclosed a novel sustained release granular resin-pharmaceutical composition comprising an ion exchange resin complexed with a pharmaceutical material wherein said complex is embedded into and on the surface of a diffusion barrier material. There is also disclosed a novel process for preparing the granulated complex wherein an aqueous granulating vehicle is employed to form the complex and the granulated product, thereby avoiding the use of coatings and large amounts of organic solvents in the process.