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. 03, 2013
Filed:
Oct. 22, 2012
Applicant:
Kemira Chemicals, Inc., Atlanta, GA (US);
Inventors:
Terrence Cotter, Kennesaw, GA (US);
Scott Rosencrance, Douglasville, GA (US);
Robert Wilson, Atlanta, GA (US);
Assignee:
Kemira Chemicals, Inc., Atlanta, GA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21C 5/02 (2006.01); C08G 63/54 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to cost-effective and environmentally friendly polyester surfactants for use in flotation deinking. The improved ink collection of the present invention can result in deinked pulp of high quality and/or yields that has excellent brightness and effective residual ink concentration values.