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:
May. 31, 1988
Filed:
Jun. 13, 1985
Barry J Marshall, Mount Hawthorn, 6016 Perth, AU;
Other;
Abstract
Compositions for diagnosis of gastrointestinal disorders comprising urea, a bactericide, an indicator having a pK.sub.a of from about 6.5 to about 8.5, and water, wherein the composition has a pH of from about 5.0 to about 6.5 and wherein the pH is at least about one pH unit lower than the pK.sub.a of the indicator. Preferably the compositions contain a gelling agent, such as agar. Also preferably the composition contain a buffer. The invention also provides methods for diagnosis of gastrointestinal disorders in a human or lower animal subject, comprising the steps of obtaining a sample of gastric material from the subject, contacting the sample with a composition of this invention, and observing any color change, wherein a color change indicates the presence of a gastrointestinal disorder. Also provided are devices for use in diagnosis of gastrointestinal disorders.