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:
Nov. 25, 2008
Filed:
Apr. 15, 2005
Applicants:
William J. Ward, Glen Ellyn, IL (US);
Krzysztof Andruszkiewicz, Gdynia, PL;
Ross T. Gray, Plainfield, IL (US);
Timothy Patrick Mcginnis, Wheaton, IL (US);
Robert W. Novak, Lisle, IL (US);
Inventors:
William J. Ward, Glen Ellyn, IL (US);
Krzysztof Andruszkiewicz, Gdynia, PL;
Ross T. Gray, Plainfield, IL (US);
Timothy Patrick McGinnis, Wheaton, IL (US);
Robert W. Novak, Lisle, IL (US);
Assignee:
Nalco Company, Naperville, IL (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21H 21/16 (2006.01); D21H 23/22 (2006.01); D21H 23/24 (2006.01); C07D 307/60 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of sizing paper for use in applications which require resistance to liquids comprising incorporating in the paper a size composition comprising one or more alkenyl succinic anhydride (ASA) compounds prepared from the reaction of maleic anhydride and one or more substantially symmetrical C-Cinternal olefins.