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:
Oct. 30, 2001
Filed:
Jul. 17, 2000
Alan Patterson, Belfast, GB;
Drew Holmes, Bryansford, GB;
Norbrook Laboratories Limited, Northern Ireland, GB;
Abstract
An injectable composition is described having a higher residual effect with reduced detrimental effects such as pain at injection site, swelling, tissue irritancy or necrosis. The composition contains as active principle a tetracycline compound, either as the free base or a salt thereof with a physiologically acceptable acid, complexed with a substantially equimolar amount of a magnesium compound, and is solubilized in a water miscible solvent system comprising glycerol formal in a an amount of about 40 (v/v); with from about 1% to about 20% (v/v) polyethylene glycol and optionally containing a pH modifier in an amount sufficient to maintain a physiologically acceptable pH. In addition, the composition may further comprise a thickener, such as polyvinyl in an amount of about 10% (w/v). The balance of the composition comprises water.