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:
Sep. 19, 2000
Filed:
Apr. 28, 1999
Applicant:
Inventors:
John Carleton Curtis, Monroe, LA (US);
Rodney L Taylor, Monroe, LA (US);
George A Joyce, Monroe, LA (US);
Assignee:
Columbian Chemicals Company, Marietta, GA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09C / ;
U.S. Cl.
CPC ...
106478 ; 106472 ;
Abstract
A process for the oxidation of carbon black with an aqueous mixture of hydrogen peroxide where carbon blacks are mixed with aqueous hydrogen peroxide then dried in order to efficiently oxidize industrial quantities of carbon black using standard carbon black production equipment and production rates and under conditions that produce no hazardous emissions and require no special handling.