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. 27, 2022
Filed:
Nov. 16, 2015
Applicant:
Drug Delivery International Ltd., Strathclyde, GB;
Inventors:
Howard Norman Ernest Stevens, Strathclyde, GB;
Alexander Balfour Mullen, Strathclyde, GB;
Vivekanand Bhardwaj, Zionsville, IN (US);
Fiona Jane MacDougall, Strathclyde, GB;
David Smith, Strathclyde, GB;
Assignee:
DRUG DELIVERY INTERNATIONAL LTD., Glasgow, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 9/24 (2006.01); B01J 2/00 (2006.01); A61K 9/20 (2006.01); A61K 9/28 (2006.01); A61K 31/00 (2006.01);
U.S. Cl.
CPC ...
A61K 9/209 (2013.01); A61K 9/2054 (2013.01); A61K 9/2068 (2013.01); A61K 9/288 (2013.01); A61K 9/2866 (2013.01); A61K 31/00 (2013.01); B01J 2/003 (2013.01);
Abstract
A method for making a controlled release material, comprising the steps of: — (a) forming granules comprising one or more wax and one or more disintegrant; (b) spheronisation of the granules and (c) compaction of the spheronised granules of step so as to form the controlled release material. The invention also relates to a tablet and delayed and sustained release material made according to the method.