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. 29, 1981
Filed:
Oct. 16, 1980
Applicant:
Inventor:
Jeffrey Ambler, Tollerton, GB;
Assignee:
Gelman Sciences, Inc., Ann Arbor, MI (US);
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ;
U.S. Cl.
CPC ...
2042 / ; 2041 / ; 2041 / ; 2323 / ; 23912 ; 252184 ;
Abstract
A buffer composition for use in the electrophoretic separation of proteins into fractions, the buffer composition consisting essentially of Tris; an acid having the formula R.sub.1 --CO--NH--R.sub.2 --COOH where R.sub.1 is NH.sub.2 or an alkyl or aryl group, preferably NH.sub.2, C.sub.6 H.sub.5 or C.sub.6 H.sub.4 NH.sub.2 and where R.sub.2 is an alkyl group, preferably CH.sub.2, CH.sub.2 --CH.sub.2 or CH(CH.sub.3); and a water soluble salt of the acid; the acid and salt being present in amounts and in a ratio to maintain the pH of an aqueous solution of the composition at from 8.2 to 9.0. The preferred acid is hippuric acid.