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:
Jun. 12, 2018
Filed:
Oct. 10, 2013
Omya International Ag, Oftringen, CH;
Daniel E. Gerard, Basel, CH;
Joachim Schoelkopf, Killwangen, CH;
Patrick A. C. Gane, Rothrist, CH;
Veronika Anna Eberle, Basel, CH;
Rainer Alles, Basel, CH;
Maxim Puchkov, Pfeffingen, CH;
Jörg Huwyler, Arlesheim, CH;
Omya International AG, Oftringen, CH;
Abstract
An instantly floating gastroretentive drug formulation comprising at least one functionalized natural and/or synthetic calcium carbonate-comprising mineral and at least one pharmaceutically active ingredient and at least one formulating aid wherein said functionalized natural or synthetic calcium carbonate is a reaction product of natural or synthetic calcium carbonate with carbon dioxide and one or more acids, wherein the carbon dioxide is formed in situ by the acid treatment and/or is supplied from an external source.