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. 11, 2020
Filed:
Jun. 11, 2018
Applicant:
Prestone Products Corporation, Danbury, CT (US);
Inventors:
Bo Yang, Ridgefield, CT (US);
Aleksei Gershun, Southbury, CT (US);
Peter M. Woyciesjes, Woodbury, CT (US);
Assignee:
PRESTONE PRODUCTS CORPORATION, Danbury, CT (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09K 5/00 (2006.01); C09K 5/20 (2006.01); C09K 5/10 (2006.01); C23F 11/08 (2006.01);
U.S. Cl.
CPC ...
C09K 5/20 (2013.01); C09K 5/10 (2013.01); C23F 11/08 (2013.01);
Abstract
Heat transfer fluid concentrates include: a freezing point depressant, water, or a combination thereof; a carboxylate; an inorganic phosphate; an azole compound; calcium ions and/or magnesium ions; and a water-soluble polymer. Ready-to-use heat transfer fluids and methods for preventing corrosion in heat transfer systems are described.