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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.:

US 10203138 B1

PDFFull Text
Date of Patent:
Feb. 12, 2019

Filed:

Apr. 02, 2014

Neutralization and removal of acids in hvac systems through the use of drying agents

Applicant:

Cliplight Holdings, Ltd., Toronto, CA;

Inventors:

Paul Clarence Appler, Windsor, CA;

Jesse Homenuik, North York, CA;

Norma Hill, North York, CA;

George E. Cranton, North York, CA;

Assignee:

Alltemp Products Company Limited, Pickering, Ontario, CA;

Attorneys:

Dentons US LLP

Brian R. McGinley

Heather M. Khassian

Primary Examiner:

Douglas J McGinty

Int. Cl.
CPC ...
C09K 15/06 (2006.01); F25B 45/00 (2006.01); C09K 5/04 (2006.01); C23F 11/04 (2006.01); C10M 171/00 (2006.01); B65D 1/12 (2006.01); C10M 141/02 (2006.01); C23F 11/12 (2006.01); C23F 11/18 (2006.01); F25B 47/00 (2006.01);
U.S. Cl.
CPC ...
F25B 45/00 (2013.01); B65D 1/12 (2013.01); C09K 5/041 (2013.01); C09K 15/06 (2013.01); C10M 141/02 (2013.01); C10M 171/008 (2013.01); C23F 11/04 (2013.01); C23F 11/12 (2013.01); C23F 11/18 (2013.01); F25B 47/00 (2013.01); C10M 2201/062 (2013.01); C10M 2203/065 (2013.01); C10M 2203/1006 (2013.01); C10M 2205/0285 (2013.01); C10M 2207/026 (2013.01); C10M 2207/04 (2013.01); C10M 2207/042 (2013.01); C10M 2207/127 (2013.01); C10M 2207/2835 (2013.01); C10M 2209/1033 (2013.01); C10M 2215/042 (2013.01); C10M 2215/064 (2013.01); C10M 2215/14 (2013.01); C10M 2215/223 (2013.01); C10M 2219/046 (2013.01); C10M 2223/04 (2013.01);
Abstract

A composition for neutralizing or removing an acid in a refrigeration or air-conditioning system, the composition comprising a) an acid neutralizer or scavenger such as a metal alkoxide, carbodiimide, glycidyl ether, epoxide, alkanolamine, arylamine, overbased metal sulphonates, or an inorganic base (e.g. KOH); and b) a hydrolytic drying agent such as an orthoester (e.g. triethylorthoformate), acetal, epoxide, or a carbodiimide, whereby the water formed by neutralization is removed from the system. Also disclosed is the use of the composition for neutralizing or removing an acid from a refrigeration or air-conditioning system; and a method for neutralizing or removing an acid from the refrigeration or air-conditioning system.

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