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:
May. 30, 1995
Filed:
Mar. 15, 1994
Applicant:
Inventors:
Stanley T Hirozawa, Bloomfield Hills, MI (US);
David E Turcotte, Woodhaven, MI (US);
Michael C Welch, Woodhaven, MI (US);
Michael A Reynolds, Grosse Ile, MI (US);
Assignee:
BASF Corporation, Mt. Olive, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; C23F / ; C07F / ;
U.S. Cl.
CPC ...
252 785 ; 106 13 ; 106 1412 ; 106 1441 ; 252 70 ; 2523892 ; 25228923 ; 422-7 ; 422 15 ; 558 70 ; 558141 ; 562-8 ; 568 16 ;
Abstract
A coolant or antifreeze composition has one or more glycols or glycol ethers in combination with water, one or more additives, and an effective amount of one or more perfluoro-gem-diphosphonates as corrosion inhibitors.