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:
Nov. 01, 1977
Filed:
Feb. 25, 1975
Applicant:
Inventors:
Joachim Breiter, Darmstadt, DT;
Roland Helger, Darmstadt, DT;
Assignee:
Merck Patent Gesellschaft mit beschrankter Haftung, Darmstadt, DT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210 / ; 2323 / ;
Abstract
Process for the isolation of component materials of aqueous solutions by adsorption of the aqueous solutions on concentration agents based on silica gel and/or kieselguhr and subsequent extraction of the component materials with lipophilic solvents, which employs as concentration agents flowable silica gels and/or kieselguhrs with an average particle size of 0.05 to 1.0 mm., an average pore volume of 0.2 to 3 ml./g., and a specific surface of 0.2 to 50 m.sup.2 /g.