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.

Date of Patent:
Jul. 04, 1978

Filed:

Dec. 22, 1976
Applicant:
Inventors:

William Kelly, deceased, LATE OF Liverpool, GB;

by John Kelly, joint personal representative, Great Sankey near Warrington, GB;

Alfred Halpern, Lake Success, NY (US);

Assignee:

Mundipharma AG, Rheinfelden, CH;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
26050115 ;
Abstract

Choline salicylate sulfite and choline salicylate alkali metal sulfite-containing compounds of the formula, ##STR1## WHEREIN Me represents the sodium, potassium or lithium ion and R represents the sulfite, bisulfite, metabisulfite, dithionate, hydrosulfite and hyposulfite groups are described. Said compounds are stable and inhibit the formation of color in pharmaceutical preparations containing the same. The method for the preparation of choline salicylate sulfite and choline salicylate alkali metal sulfite-containing compounds, and pharmaceutical dosage forms containing the same are disclosed together with a method for their use to inhibit color formation.


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