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:
Dec. 25, 1990
Filed:
Jan. 13, 1989
Applicant:
Inventors:
John F Dobrez, Flossmoor, IL (US);
David Ganbarg, Chicago, IL (US);
Assignee:
Dober Chemical Corporation, Midlothian, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
252 71 ; 252 73 ; 252 75 ;
Abstract
In a method for manufacturing a circulating coolant system filter which includes a filter medium and a space into which a supplemental coolant additive can be placed to provide at least one beneficial property to the circulating coolant, the improvement comprising: automatically introducing the supplemental coolant additive into the space in the form of a liquid-powdered solids slurry.