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:
Nov. 03, 2009
Filed:
Sep. 08, 2005
BO Yang, Ridgefield, CT (US);
Peter M. Woyciesjes, Woodbury, CT (US);
Filipe J. Marinho, Danbury, CT (US);
Aleksei V. Gershun, Southbury, CT (US);
Bo Yang, Ridgefield, CT (US);
Peter M. Woyciesjes, Woodbury, CT (US);
Filipe J. Marinho, Danbury, CT (US);
Aleksei V. Gershun, Southbury, CT (US);
Honeywell International Inc., Morristown, NJ (US);
Abstract
Disclosed is a colorant treated ion exchange resin comprising at least 15% of exchangeable groups comprising at least one of an ion, a Lewis acid, or a Lewis base resulting from a colorant having a pKor pKof greater than 5 in an aqueous solution at 25° C., based on the total number of exchangeable groups. Also disclosed are heat transfer systems, assemblies, fuel cell systems and methods of maintaining a conductivity of less than 200 μS/cm in a heat transfer fluid that employ the disclosed colorant treated ion exchange resins. Finally, a method of making the disclosed colorant treated ion exchange resins is provided.