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:
May. 20, 1997
Filed:
Sep. 25, 1995
Applicant:
Inventors:
Willibald Burger, Burghausen, DE;
Peter Huber, Burghausen, DE;
Piotr Meschkov, Moskau, RU;
Serguei V Goussevt, Tjumen, RU;
Vladimir V Mazajev, Tjumen, RU;
Jaroslav G Koval, Tjumen, RU;
Assignee:
Wacker-Chemie GmbH, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166275 ; 1663051 ; 507233 ; 507234 ;
Abstract
In the process of the present invention, crude oil is extracted from crude oil-containing deposits with the aid of an emulsion containing the components (A) 100 parts by weight of organopolysiloxane (B) 10 to 100 parts by weight of surfactant and (C) water.