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:
Feb. 23, 2021
Filed:
Feb. 10, 2017
Applicant:
Stora Enso Oyj, Helsinki, FI;
Inventors:
Assignee:
Stora Enso OYJ, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H 17/67 (2006.01); C01F 11/18 (2006.01); D21H 17/63 (2006.01); C09C 1/02 (2006.01);
U.S. Cl.
CPC ...
D21H 17/675 (2013.01); C01F 11/18 (2013.01); C09C 1/021 (2013.01); D21H 17/63 (2013.01); C01P 2002/88 (2013.01); C01P 2004/03 (2013.01); Y02P 20/141 (2015.11);
Abstract
The present invention relates to crystalline and stable amorphous CaCOprecipitated on lignocellulosic fibers.