DELIVERY OF A COOLING AGENT TO THE PHARYNGEAL-ESOPHAGEAL SURFACE

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United States of America Patent

APP PUB NO 20220378807A1
SERIAL NO

17803407

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present discovery generally pertains to the formulation of therapeutic compounds to treat the symptoms of esophageal disorders. More specifically, the present discovery pertains to two 1-di-alkyl-phosphinoyl-alkanes (DIPA) called DIPA-1-8 and DIPA-1-9. These compounds are formulated as a shaped medicament and swallowed to suppress the symptoms of esophageal reflux and dyspepsia. The DIPA act by creating sensations of coolness and cold on the pharyngeal and esophageal lining. Some of the symptoms relieved include cough, chronic cough, heartburn, chest pain, bloat, belching, and dyspepsia. A preferred embodiment is DIPA-1-9 dissolved in a gel matrix. An aspect of the invention is to design the medicament to be intercepted, impeded, ensnarled, or trapped in the pharyngeal valleculae and pyriform sinuses before it passes down the esophagus. The goal is to prolong the transit time of the medicament, also herein sometimes call the Shaped-Gel, in the hypopharynx and esophagus, so the active ingredient has ample time to dissolve in saliva and reach receptors for cooling. By experiment, the ideal formulation of the Shaped-Gel was a flat rectangular or toroid shape, with a mass of 0.3 to 0.8 g. Flatness was defined as a pill with the shortest axis, preferentially 5 to 45% of the longest axis.

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Patent Owner(s)

Patent OwnerAddress
WEI EDWARD TAK480 GRIZZLY PEAK BLVD BERKELEY CALIFORNIA 94708-1237 UNITED STATES OF AMERICA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Wei, Edward Tak Berkeley, US 18 52

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