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:
Feb. 04, 2025
Filed:
Mar. 06, 2020
Applicant:
Prestone Products Corporation, Danbury, CT (US);
Inventors:
Bo Yang, Ridgefield, CT (US);
Peter M. Woyciesjes, Danbury, CT (US);
Assignee:
Prestone Products LLC, Wilmington, DE (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09K 5/20 (2006.01); C09K 15/30 (2006.01); C23F 11/14 (2006.01); H01M 8/04029 (2016.01); H01M 8/04701 (2016.01);
U.S. Cl.
CPC ...
C09K 5/20 (2013.01); C09K 15/30 (2013.01); C23F 11/149 (2013.01); H01M 8/04029 (2013.01); H01M 8/04701 (2013.01);
Abstract
Heat transfer fluid concentrates include: (a) a freezing point depressant; and (b) a non-ionic surfactant comprising (i) a corrosion inhibitor for copper and copper alloys and (ii) a polyalkylene glycol. A conductivity of the heat transfer fluid concentrate is less than or equal to about 100 S/cm. Ready-to-use heat transfer fluids and methods for preventing corrosion in heat transfer systems are described.