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. 14, 1991
Filed:
Dec. 18, 1989
Applicant:
Inventor:
William J Zeman, Janesville, WI (US);
Assignee:
Sherex Chemical Company, Inc., Dublin, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; B01J / ;
U.S. Cl.
CPC ...
252311 ; 252355 ; 252D / ; 252352 ;
Abstract
Disclosed is an aqueous basic solution having a calculated pH of 13 or greater of a sulfobetaine which is soluble and stable for extended periods of storage. The sulfobetaine also is soluble and stable in aqueous basic solutions of high concentration, e.g. up to 30%-50% by weight sodium hydroxide or potassium hydroxide.