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:
Aug. 02, 2011
Filed:
Jan. 29, 2008
Applicants:
Ramon Valls, Barcelona, ES;
Stéphanie Merlet, Boulogne, FR;
Inventors:
Ramon Valls, Barcelona, ES;
Stéphanie Merlet, Boulogne, FR;
Assignee:
Cognis IP Management GmbH, Duesseldorf, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21H 17/07 (2006.01); D21H 17/14 (2006.01); D21H 21/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An aqueous emulsion, including (a) a dialkylamide; and (b) a non-ionic surfactant, is provided. An emulsion, including (a) about 30% b.w. to about 70% b.w. of a dialkylamide; (b) about 5% b.w. to about 25% b.w. of a non-ionic surfactant; and (c) 0% b.w. to about 15% b.w. of an anionic surfactant, where the amounts, with water added and optional auxiliary agents, add to 100% b.w., is also provided. A method for reducing pitch in the production of paper includes adding the emulsion to pulp.