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:
Dec. 22, 1998
Filed:
Oct. 15, 1997
Applicant:
Inventors:
Jean-Marie Dhalluin, Viroflay, FR;
Jean-Jacques Wawrzyniak, Feytiat, FR;
Henry Ledon, Versailles, FR;
Assignee:
Chemoxal S.A., Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210651 ; 210653 ; 210663 ; 210638 ; 423584 ;
Abstract
Process for purification of aqueous solutions of hydrogen peroxide comprising the steps of adding one or more macroligands to said solution to form a mixture and forcing the mixture through an ultrafiltration membrane.