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:
Jan. 08, 1991
Filed:
Apr. 08, 1988
Luz P Requejo, Cincinnati, OH (US);
George B Keyes, Cincinnati, OH (US);
The Drackett Company, Cincinnati, OH (US);
Abstract
A general purpose hard surface cleaner concentrate comprising an organic solvent system comprising from about 1 to about 10% of an organic solvent selected from the group of alkylene and polyalkylene glycols and lower alkyl ethers of alkylene and polyalkylene glycols; from about 3 to 15% of a nonionic or anionic surfactant; from about 1 to about 10% of a builder system comprising 25 to 99% of a first builder and from about 5 to 65% of a second builder which is a polyacrylic resin having a molecular weight between about 500 to about 8,000; from about 1 to about 15% of a hydrotrope which is an alkali metal salt of a cyclohexene dicarboxylic acid, and water. The preferred hydrotrope is the potassium salt of 5 (or 6) carboxy-4-hexyl-2-cyclohexene-1-octanoic acid. In use the concentrate is diluted to a ratio of 10 to 150 parts water per part of the concentrate, although is useful full strength as a spot cleaner.