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:
Jan. 04, 2011
Filed:
Aug. 03, 2006
Applicants:
Jingxu Zhu, London, CA;
Yanfeng Luo, London, CA;
Ying Liang MA, London, CA;
Hui Zhang, London, CA;
Inventors:
Assignee:
The University of Western Ontario, London, Ontario, CA;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05D 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a method and apparatus for dry coating solid dosage forms. The method includes the steps of placing solid dosage forms in a rotatable, electrically grounded housing, and spraying a film forming polymer powder composition into the housing during rotation thereof to form a polymer coating on the solid dosage forms, the polymer powder composition being sprayed using an electrostatic spray gun, and curing the coated solid dosage forms.