USPTO Patent Granted for Proton Pump Inhibitor and Antacid Formulation
Summary
The USPTO has granted a new patent (US12582636B2) to HANMI PHARM. CO., LTD. for a pharmaceutical composite formulation containing a proton pump inhibitor and an antacid. This patent covers a specific layered formulation designed for improved drug delivery.
What changed
The United States Patent and Trademark Office (USPTO) has granted patent US12582636B2 to HANMI PHARM. CO., LTD. The patent covers a pharmaceutical composite formulation comprising a proton pump inhibitor in a first layer and an antacid (magnesium hydroxide, magnesium oxide, or a mixture thereof) in a second layer. The filing date for this application was January 22, 2021, and the patent is set to be granted on March 24, 2026.
This patent grant signifies a new intellectual property right for the assignee, potentially impacting market exclusivity for this specific formulation. While this is a patent grant and not a regulatory rule, it is relevant for pharmaceutical companies involved in the development and manufacturing of proton pump inhibitors and antacids. Compliance officers should note this as a development in the competitive landscape for these drug classes. No immediate compliance actions are required by this patent grant itself, but it may influence future product development and market strategies.
Source document (simplified)
Pharmaceutical composite formulation comprising proton pump inhibitor and antacid
Grant US12582636B2 Kind: B2 Mar 24, 2026
Assignee
HANMI PHARM. CO., LTD.
Inventors
Bo Sik Kim, Hyuk Jun Cho, Ho Taek Im, Yong Il Kim
Abstract
An aspect provides a pharmaceutical composite formulation containing: a first layer comprising a proton pump inhibitor or a pharmaceutically acceptable salt thereof as an active ingredient, a disintegrant, and a binder; and a second layer comprising, as an active ingredient, an antacid selected from magnesium hydroxide, magnesium oxide, or a mixture thereof.
CPC Classifications
A61K 9/209
Filing Date
2021-01-22
Application No.
17794178
Claims
7
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