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. 17, 1991
Filed:
Apr. 10, 1989
Applicant:
Inventors:
Pak S Leung, Highland Mills, NY (US);
Errol D Goddard, Haworth, NJ (US);
Assignee:
First Brands Corporation, Danbury, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
252 785 ; 252 71 ; 252 73 ; 252 74 ; 252 75 ; 252100 ; 422 15 ; 568624 ; 568625 ;
Abstract
Antifreeze composition and composition concentrates are disclosed which comprise an alcohol, such as, for example ethylene glycol, a surface modifier, such as, for example, an organophosphate which adheres to the interior surfaces of a cooling system, and a pseudo oil, such as, for example a polypropylene glycol, which forms a film on the surface-modified, interior surfaces of the cooling system. Also disclosed are methods of making and using the composition and composition concentrates.