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. 01, 2020
Filed:
Feb. 24, 2020
Applicant:
University College London, London, GB;
Inventors:
Abdul Basit, Harrow, GB;
Valentine Ibekwe, London, GB;
Assignee:
University College London, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 9/50 (2006.01); A61K 9/28 (2006.01); A61K 31/573 (2006.01); A61K 31/606 (2006.01); A61K 31/60 (2006.01);
U.S. Cl.
CPC ...
A61K 9/5036 (2013.01); A61K 9/284 (2013.01); A61K 9/286 (2013.01); A61K 9/5026 (2013.01); A61K 9/5042 (2013.01); A61K 31/573 (2013.01); A61K 31/60 (2013.01); A61K 31/606 (2013.01);
Abstract
A delayed release coating includes a mixture of a first material selected from starch; amylose; amylopectin; chitosan; chondroitin sulfate; cyclodextrin; dextran; pullulan; carrageenan; scleroglucan; chitin; curdulan and levan, and a second material which has a pH threshold at about pH 5 or above. The delayed release coating is used to target release of a drug from a core to the intestine, particularly the colon.