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:
Dec. 24, 2019
Filed:
Jun. 30, 2017
Applicant:
Kemira Chemie Ges.mbh, Krems Donau, AT;
Inventors:
Leo Schmid, Krems, AT;
Jürgen Sartori, Stratzing, AT;
Assignee:
Kemira Chemie Ges.mbH, Krems Donau, AT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H 21/16 (2006.01); D21H 17/15 (2006.01); D21H 17/28 (2006.01); D21H 17/36 (2006.01); D21H 17/16 (2006.01); D21H 17/18 (2006.01); D21H 17/70 (2006.01); D21H 21/24 (2006.01);
U.S. Cl.
CPC ...
D21H 21/16 (2013.01); D21H 17/15 (2013.01); D21H 17/16 (2013.01); D21H 17/18 (2013.01); D21H 17/28 (2013.01); D21H 17/36 (2013.01); D21H 17/70 (2013.01); D21H 21/24 (2013.01);
Abstract
A composition for sizing paper includes alkenylsuccinic anhydride (ASA) as the sizing agent and an emulsifier system of anionic emulsifiers and nonionic components, wherein the anionic emulsifiers are chosen from alkali metal salts of aliphatic carboxylic acids or aliphatic dicarboxylic acids and the nonionic components are chosen from polyethylene glycols.