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. 16, 2020
Filed:
Jun. 06, 2014
Applicant:
Imertech Sas, Paris, FR;
Inventor:
Mikko Likitalo, Waterloo, BE;
Assignee:
ImerTech SAS, Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
D21C 9/08 (2006.01); D21H 21/02 (2006.01); D21H 17/67 (2006.01); D21H 17/69 (2006.01); D21C 9/10 (2006.01); D21C 9/16 (2006.01);
U.S. Cl.
CPC ...
D21C 9/083 (2013.01); D21C 9/08 (2013.01); D21C 9/10 (2013.01); D21C 9/163 (2013.01); D21H 17/67 (2013.01); D21H 17/69 (2013.01); D21H 21/02 (2013.01);
Abstract
Compositions suitable for use in the bleaching of pulps may include one or more particulate alkaline earth metal oxides or alkaline earth metal hydroxides or mixtures thereof, and one or more pitch control additives. The compositions may be suitable for use in a pulp preparation or a papermaking process. A method for the bleaching of pulps may include providing the composition.