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.

Date of Patent:
Aug. 19, 2025

Filed:

Sep. 16, 2021
Applicant:

Kemira Oyj, Helsinki, FI;

Inventors:

Jaakko Hiltunen, Espoo, FI;

Annaleena Kokko, Espoo, FI;

Tapio Honkanen, Espoo, FI;

Assignee:

KEMIRA OYJ, Helsinki, FI;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21H 19/52 (2006.01); D21H 21/08 (2006.01); D21H 21/28 (2006.01);
U.S. Cl.
CPC ...
D21H 19/52 (2013.01); D21H 21/08 (2013.01); D21H 21/28 (2013.01);
Abstract

The invention relates to an aqueous slurry for manufacture of a coating composition for paper, board or the like, which comprises inorganic mineral particles and a dispersion agent, which is an anionic lignin-carbohydrate complex where lignin and carbohydrate are covalently bound with each other.


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