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:
Apr. 28, 2026
Filed:
Jun. 23, 2021
Applicant:
Kemira Oyj, Helsinki, FI;
Inventors:
Assignee:
KEMIRA OYJ, Helsinki, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21H 17/23 (2006.01); D21H 21/16 (2006.01);
U.S. Cl.
CPC ...
D21H 17/23 (2013.01); D21H 21/16 (2013.01);
Abstract
The invention relates to an aqueous emulsion of a hydrophobic anhydride-based sizing agent, prepared by homogenizing the said anhydride-based sizing agent in an aqueous phase which comprises a stabilizer, which is an anionic lignin-carbohydrate complex, where lignin and carbohydrate are covalently bound with each other. The invention further relates to a use of this anionic lignin-carbohydrate complex as a stabilizer as well as to a method for making an aqueous emulsion of a hydrophobic anhydride-based sizing agent.