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:
Jun. 02, 2015
Filed:
Mar. 13, 2013
Applicant:
Nordkalk Oy Ab, Pargas, FI;
Inventors:
Assignee:
Nordkalk OY AB, Pargas, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H 17/28 (2006.01); D21H 17/24 (2006.01); D21H 17/70 (2006.01); D21H 19/38 (2006.01);
U.S. Cl.
CPC ...
D21H 17/28 (2013.01); D21H 17/24 (2013.01); D21H 17/70 (2013.01); D21H 19/38 (2013.01);
Abstract
A precipitated carbonate polysaccharide structure which, when used as a filler, improves the structural strength of paper or board, or gypsum boards, plastics or gums, among others, as well as the stiffness level and optical properties (brightness and opacity) of the paper or board, together or separately with other fillers; carbonates, in particular. The invention further improves the setting of printing ink on the surface of the paper or board. The invention also includes the manufacturing method of the precipitated carbonate polysaccharide structure.