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. 09, 2007
Filed:
Nov. 01, 2002
Juan Miguel Garro, Sherbrooke, CA;
Alain Lemieux, Thetford Mines, CA;
Paul Jollez, Sherbrooke, CA;
Nicole Cadoret, Thetford Mines, CA;
Juan Miguel Garro, Sherbrooke, CA;
Alain Lemieux, Thetford Mines, CA;
Paul Jollez, Sherbrooke, CA;
Nicole Cadoret, Thetford Mines, CA;
Prolab Technologies Inc., Quebec, CA;
Abstract
A process for producing unsaturated and saturated free fatty acid from trap oils, trap greases, brown greases and grease trap waste as starting material. The process consist in subjecting the starting material to a pretreatment, a first purification step, a fractional step, a second purification step and eventually a hydrogenation step. Methyl esters of unsaturated and saturated free fatty acids, oleic acid and stearin is obtained from this process.