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:
Nov. 08, 2022
Filed:
Jan. 20, 2020
Applicant:
Kemira Oyj, Helsinki, FI;
Inventors:
Assignee:
KEMIRA OYJ, Helsinki, FI;
Primary Examiner:
Int. Cl.
CPC ...
D21H 21/20 (2006.01); D21H 17/37 (2006.01); D21H 21/18 (2006.01); D21H 23/04 (2006.01); D21H 23/24 (2006.01); D21H 21/10 (2006.01); D21H 21/24 (2006.01); D21H 27/00 (2006.01); D21H 23/22 (2006.01); D21H 21/22 (2006.01); D21H 17/65 (2006.01); D21H 17/00 (2006.01); D21H 17/07 (2006.01); D21H 17/15 (2006.01);
U.S. Cl.
CPC ...
D21H 21/20 (2013.01); D21H 17/00 (2013.01); D21H 17/07 (2013.01); D21H 17/15 (2013.01); D21H 17/375 (2013.01); D21H 17/65 (2013.01); D21H 21/10 (2013.01); D21H 21/18 (2013.01); D21H 21/22 (2013.01); D21H 21/24 (2013.01); D21H 23/04 (2013.01); D21H 23/22 (2013.01); D21H 23/24 (2013.01); D21H 27/002 (2013.01);
Abstract
A softener composition for use in the manufacture of paper includes a softener and an acidic material, wherein the softener composition has a relative acidity (RA) value of more than 0.05.