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. 15, 2022
Filed:
Dec. 27, 2016
Applicant:
Suzano S.a., São Paulo, BR;
Inventors:
Otávio Mambrim Filho, Aracruz, BR;
Leonardo Alves De Melo, São José dos Campos, BR;
Assignee:
Suzano S.A., São Paulo, BR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H 11/20 (2006.01); D21H 17/00 (2006.01); D21H 17/28 (2006.01); D21H 23/04 (2006.01); D21C 3/02 (2006.01); D21H 11/04 (2006.01); D21H 21/10 (2006.01); D21C 9/10 (2006.01); D21H 21/18 (2006.01); D21H 17/21 (2006.01); D21C 9/12 (2006.01); D21C 5/00 (2006.01); D21C 9/18 (2006.01); D21H 11/12 (2006.01);
U.S. Cl.
CPC ...
D21H 11/20 (2013.01); D21C 3/02 (2013.01); D21C 5/00 (2013.01); D21C 9/10 (2013.01); D21C 9/12 (2013.01); D21C 9/123 (2013.01); D21C 9/18 (2013.01); D21H 11/04 (2013.01); D21H 11/12 (2013.01); D21H 17/005 (2013.01); D21H 17/21 (2013.01); D21H 17/28 (2013.01); D21H 21/10 (2013.01); D21H 21/18 (2013.01); D21H 23/04 (2013.01);
Abstract
The present invention relates to an enhanced process for the production of cellulose pulps with increased quality and applicability of said pulps, especially their physical resistance properties and degree of resistance to drainage, through an enzymatic treatment step comprised in the production process of said cellulose pulp, concomitantly with the polymer dosage based on carbohydrates.