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:
Mar. 02, 1993
Filed:
Nov. 25, 1991
Applicant:
Inventor:
A Thomas Weibel, Cranbury, NJ (US);
Assignee:
FMC Corporation, Philadelphia, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210759 ; 210760 ; 210917 ; 162161 ;
Abstract
The present invention is a process for decreasing the concentration of a lignin-containing organic carbon in an aqueous system by a combination of ozone and hydrogen peroxide. The process is particularly useful for decolorizing lignin-containing aqueous solutions such as effluents from a pulp mill.