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. 28, 2006
Filed:
Jan. 29, 2004
Yasuo Fukutani, Shiga, JP;
Etsushi Tanaka, Shiga, JP;
Yukio Wada, Hikone, JP;
Kikuko Fukutani, Shiga, JP;
Abstract
An object of the present invention is to provide an antifreeze solution which is used by adding it to a heating medium of a heat exchanger or a radiator coolant for an internal combustion car engine, which can be used to prevent the icing of road surfaces, which is easy to use and environmentally friendly, and which does not contain environmentally harmful substances such as ethylene glycol so that it can be easily treated for disposal after use. Another object of the present invention is to provide an antifreeze solution which contains water as a main component and glycerin. The undiluted antifreeze solution does not freeze even at −20° C. or less at normal pressures and is composed of components at a certain ratio.