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.

Date of Patent:
Oct. 12, 2021

Filed:

Jul. 12, 2017
Applicants:

Universita′ Degli Studi Del Piemonte Orientale “a. Avogadro”, Vercelli, IT;

Alma Mater Studiorum—universita′ Di Bologna, Bologna, IT;

Inventors:

Ilaria Braschi, Bologna, IT;

Chiara Bisio, Vercelli, IT;

Enrico Buscaroli, Bologna, IT;

Daniele Bussini, Bologna, IT;

Graziano Elegir, Bologna, IT;

Leonardo Marchese, Vercelli, IT;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21C 9/08 (2006.01); D21H 27/10 (2006.01); D21H 17/13 (2006.01); D21C 5/02 (2006.01); D21H 21/20 (2006.01); B01J 20/22 (2006.01); B01J 20/28 (2006.01); B01J 20/30 (2006.01); B01J 20/34 (2006.01); D21C 9/02 (2006.01); B32B 29/08 (2006.01); D21H 21/22 (2006.01);
U.S. Cl.
CPC ...
D21C 9/08 (2013.01); B01J 20/22 (2013.01); B01J 20/28004 (2013.01); B01J 20/28016 (2013.01); B01J 20/28083 (2013.01); B01J 20/3085 (2013.01); B01J 20/3425 (2013.01); B01J 20/3483 (2013.01); B32B 29/08 (2013.01); D21C 5/02 (2013.01); D21C 9/02 (2013.01); D21C 9/086 (2013.01); D21H 17/13 (2013.01); D21H 21/20 (2013.01); D21H 21/22 (2013.01); D21H 27/10 (2013.01); B32B 2250/26 (2013.01); B32B 2307/50 (2013.01); B32B 2439/70 (2013.01);
Abstract

A use of organofunctionalized mesoporous silica for the production of recycled paper; the organofunctionalized mesoporous silica comprises a base mesoporous silica having, on its surface, groups having the following general formula (I), wherein Siis a silicon atom of the base mesoporous silica, Ris a C-Caliphatic; Ris chosen in the group consisting of: a C-Caliphatic and an oxygen atom bound with a silicon atom of the base mesoporous silica; and Ris chosen in the group consisting of: a hydroxyl, a C-Caliphatic and an oxygen atom bound with a silicon atom of the base mesoporous silica (I).


Find Patent Forward Citations

Loading…