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:
Mar. 07, 1989
Filed:
Feb. 26, 1988
Applicant:
Inventors:
Charalampos Gousetis, Ludwigshafen, DE;
Knut Oppenlaender, Ludwigshafen, DE;
Gert Liebold, Edingen-Neckarhausen, DE;
Guenter Frey, Dannstadt-Schauernheim, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
252 75 ; 252 76 ; 252 783 ; 252 785 ; 2523893 ; 2523894 ; 252396 ;
Abstract
Glycol-based coolant mixtures which are free of nitrites and phosphates contain alkali metal salts of bis(carboxyalkyloxyphenyl)-2,2-propane and stabilized silicate and also further corrosion-inhibiting additives.