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:
Jan. 25, 2005
Filed:
Dec. 26, 2003
Dilum D. Dunuwila, Okemos, MI (US);
Kris A. Berglund, Okemos, MI (US);
Dilum D. Dunuwila, Okemos, MI (US);
Kris A. Berglund, Okemos, MI (US);
Diversified Natural Products, Inc., East Lansing, MI (US);
Abstract
A liquid antifreeze which is produced from renewable resources, and which is biodegradable, non-toxic, and is non-corrosive to engines is provided. The liquid antifreeze composition for use as an engine coolant in a dilute or concentrate form comprises a water soluble salt of succinic acid, a water soluble salt of acetic acid, ethanol, and water, wherein the composition has a freezing point of greater than −30° C. in the engine. A method for cooling an engine with a cooling system which comprises the coolant compositions is also provided.