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. 05, 1994
Filed:
Mar. 26, 1993
Applicant:
Inventors:
Marc Baviere, Noisy le Roi, FR;
Didier Degouy, Houilles, FR;
Jacqueline Lecourtier, Rueil Malmaison, FR;
Assignee:
Institut Francais du Petrole, Rueil Malmaison Cedex, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B08B / ; B08B / ;
U.S. Cl.
CPC ...
134 251 ; 134 40 ; 134 33 ; 134 10 ; 25217417 ;
Abstract
The invention relates to a process for cleansing solid particles impregnated with hydrocarbons. The process implements a solution comprising sophorosides. The process is particularly intended for washing cuttings impregnated with a drilling fluid containing hydrocarbons.