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. 30, 2014
Filed:
Jul. 29, 2013
Pisgah National Laboratories, Inc., Pisgah Forest, NC (US);
Clifford Riley King, Hendersonville, NC (US);
Stephen G. D'Ambrosio, Etowah, NC (US);
David W. Bristol, Mills River, NC (US);
Michael L. English, Pisgah Forest, NC (US);
Pisgah Laboratories, Inc., Simpsonville, SC (US);
Abstract
Provided is a drug substance and a method of treating an ailment comprising administering an oral dose of a drug product comprising the drug substance wherein the drug substance comprises an organic acid addition salt of methadone. The organic acid addition salt is selected from the group consisting of pamoate and xinafoate wherein the drug substance is bioavailable under gastrointestinal administration but is not bioavailable under administration at a mucosal membrane other than gastrointestinal or release from a depot injectable product.