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. 03, 2016
Filed:
Nov. 18, 2013
Applicant:
Prestone Products Corporation, Lake Forest, IL (US);
Inventors:
Bo Yang, Ridgefield, CT (US);
Aleksei Gershun, Southbury, CT (US);
Peter M. Woyciesjes, Woodbury, CT (US);
Assignee:
Prestone Products Corporation, Lake Forest, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09K 5/10 (2006.01); C09K 5/20 (2006.01); C23F 11/08 (2006.01); C23F 11/18 (2006.01);
U.S. Cl.
CPC ...
C09K 5/10 (2013.01); C09K 5/20 (2013.01); C23F 11/08 (2013.01); C23F 11/18 (2013.01); C23F 11/187 (2013.01);
Abstract
Disclosed herein is a heat transfer fluid concentrate comprising: greater than or equal to 85 weight percent of a freezing point depressant, based on the total weight of the heat transfer fluid concentrate; 50 to 2000 ppm of lithium ions; an azole compound; an inorganic phosphate; a carboxylic acid; and an acrylate based polymer, wherein the heat transfer fluid has a pH of 7.0-9.5. The heat transfer fluid concentrate can be used to make a heat transfer fluid.