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:
Jul. 04, 2006
Filed:
Apr. 26, 2001
Bertrand Genuyt, Versailles, FR;
Michel Janssen, Marcinelle, BE;
Rene Reguerre, Le Havre, FR;
Jan Cassiers, Zoersel, BE;
Francois Breye, Wolvertem, FR;
Bertrand Genuyt, Versailles, FR;
Michel Janssen, Marcinelle, BE;
Rene Reguerre, Le Havre, FR;
Jan Cassiers, Zoersel, BE;
Francois Breye, Wolvertem, FR;
Total Raffinage Distribution S.A., Puteaux, FR;
Abstract
The invention concerns a biodegradable lubricating composition, based on mineral hydrocarbon oil and ester, comprising a majority amount of a mineral hydrocarbon fraction substantially free of aromatic compounds, said fraction having a normal paraffin content not more than 10 wt. % and an isoparaffin content not less than 36 wt. %, and a minority amount ranging between 5 and 40 wt. % of at least a fatty acid ester.