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:
Jun. 22, 1976
Filed:
Mar. 29, 1974
Applicant:
Inventor:
Justin J Murtaugh, Guilford, IN (US);
Assignee:
The Drackett Company, Cincinnati, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
B08B / ; C11D / ; C11D / ; C23G / ;
U.S. Cl.
CPC ...
252527 ; 134 40 ; 252 / ; 252156 ; 252173 ; 252546 ; 252D / ; 252D / ;
Abstract
Drain cleaning compositions, especially effective in dissolving soap curd, are provided which comprise in aqueous solution a potassium salt of nitrilotriacetic acid, N-2-hydroxyethylimino diacetic acid, an alkylene polyamine polycarboxylic acid, or mixtures thereof, and potassium hydroxide, wherein the compositions are substantially free of other alkali metal ions and the alkylene polyamine polycarboxylic acid has the formula