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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.:

US 9339478 B1

PDFFull Text
Expired
Date of Patent:
May. 17, 2016

Filed:

Feb. 04, 2011

Pharmaceutical formulation

Applicants:

Nils Ahlgren, Parsippany, NJ (US);

Mark Nuttall, Parsippany, NJ (US);

Jeannie Wong, Parsippany, NJ (US);

Venkatesh Balasubramanian, Parsippany, NJ (US);

Craig Belongie, Parsippany, NJ (US);

Ashfaq Khan, Parsippany, NJ (US);

Neil Campbell Muir, Hull, GB;

Inventors:

Nils Ahlgren, Parsippany, NJ (US);

Mark Nuttall, Parsippany, NJ (US);

Jeannie Wong, Parsippany, NJ (US);

Venkatesh Balasubramanian, Parsippany, NJ (US);

Craig Belongie, Parsippany, NJ (US);

Ashfaq Khan, Parsippany, NJ (US);

Neil Campbell Muir, Hull, GB;

Assignee:

RECKITT BENCKISER LLC, Parsippany, NJ (US);

Attorneys:

Troutman Sanders LLP

Ryan A. Schneider

Troy S. Kleckley

Primary Examiner:

Dennis J Parad

Int. Cl.
CPC ...
A61K 9/24 (2006.01); A61K 31/09 (2006.01); A61K 9/20 (2006.01); A61K 9/50 (2006.01); A61K 31/137 (2006.01); A61K 31/485 (2006.01); A61K 45/06 (2006.01);
U.S. Cl.
CPC ...
A61K 31/09 (2013.01); A61K 9/20 (2013.01); A61K 9/209 (2013.01); A61K 9/2027 (2013.01); A61K 9/2054 (2013.01); A61K 9/5047 (2013.01); A61K 31/137 (2013.01); A61K 31/485 (2013.01); A61K 45/06 (2013.01);
Abstract

A pharmaceutical composition in the form of a tablet including a first portion and a second portion, wherein said first portion includes guaifenesin having an immediate release profile and a second drug having a sustained release profile, and wherein the second portion includes guaifenesin having a sustained release profile. The second drug can be in the form of a drug-resin complex. The second drug can be either an anti-tussive or a decongestant. The drug-resin complex includes a drug complexed to an ion exchange resin. The ion exchange resin can be a polystyrene sulfonate resin, polacrilex resin, polacrilin potassium, cholestyramine resin, or a colestyramine resin. The drug-resin complex can be provided with a coating, the coating thickness being selected to obtain the desired release profile. The drug-resin complex can be provided with a coating level of from 5% to 50%. The coating level can be from 10% to 35%.

Find Patent Forward Citations

Ahlgren, Nils. (2016). Pharmaceutical formulation (U.S. Patent No. 9339478). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9339478

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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