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. 16, 2004
Filed:
Jun. 18, 2002
Applicant:
Inventors:
Gary S. Furman, Jr., St. Charles, IL (US);
James J. Svarz, Naperville, IL (US);
Assignee:
Ondeo Nalco Company, Naperville, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21C 9/18 ; B01D 4/300 ;
U.S. Cl.
CPC ...
D21C 9/18 ; B01D 4/300 ;
Abstract
A method of dewatering an aqueous cellulosic pulp slurry comprising adding to an aqueous slurry of washed cellulosic pulp an effective dewatering amount of a mixture of one or more nonionic surfactants and one or more anionic surfactants.