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. 10, 2001
Filed:
Aug. 05, 1997
Applicant:
Inventors:
Jürgen Stohrer, München, DE;
Hans-Peter Call, Übach-Palenberg, DE;
Johannes Freudenreich, München, DE;
Manfred Amann, Odelzhausen, DE;
Robert Müller, München, DE;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21C 9/147 ; D21C 9/16 ; D21H 2/502 ;
U.S. Cl.
CPC ...
D21C 9/147 ; D21C 9/16 ; D21H 2/502 ;
Abstract
Multi-component system for modifying, degrading or bleaching lignin, lignin-containing materials or similar substances, includes (a) if appropriate at least one oxidation catalyst; (b) at least one suitable oxidizing agent; and (c) at least one mediator, wherein the mediator is chosen from the group consisting of N-aryl-N-hydroxyamides.