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:
Oct. 23, 2007
Filed:
Jun. 20, 2003
Applicants:
Volker Diehl, Ellerstadt, DE;
Dimitrios Markopoulos, Mutterstadt, DE;
Juergen Schroeder, Ludwigshafen, DE;
Michael Blechschmitt, Schifferstadt, DE;
Inventors:
Volker Diehl, Ellerstadt, DE;
Dimitrios Markopoulos, Mutterstadt, DE;
Juergen Schroeder, Ludwigshafen, DE;
Michael Blechschmitt, Schifferstadt, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of delivering a fluid containing at least one (meth)acrylic monomer by a pump in which a pump cavity and drive compartment are separated by a separator compartment filled with a barrier medium at elevated pressure and that is sealed with double-acting slide ring packings.