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. 24, 2015
Filed:
Mar. 10, 2010
Noemi Tatizawa, Rio de Janeiro, BR;
Jaime Correia Da Silva, Rio de Janeiro, BR;
Danielle DE Carvalho Pinto Freitas, Rio de Janeiro, BR;
Katia Simone Zanco Palma, Duque de Caxias, BR;
Richard Faraco Amorim, Porto Alegre, BR;
Leandro Dos Santos Silveira, Canoas, BR;
Noemi Tatizawa, Rio de Janeiro, BR;
Jaime Correia Da Silva, Rio de Janeiro, BR;
Danielle De Carvalho Pinto Freitas, Rio de Janeiro, BR;
Katia Simone Zanco Palma, Duque de Caxias, BR;
Richard Faraco Amorim, Porto Alegre, BR;
Leandro Dos Santos Silveira, Canoas, BR;
PETROLEO BRASILEIRO S.A.-PETROBRAS, Rio de Janeiro, RJ, BR;
Abstract
The present invention relates to a process for obtaining a catalyst of high activity based on a mixture of supports, more specifically, the mixture of supports being AlOplus MgCl, intended for the production of polyolefins. The catalyst of the present invention involves the use of a spherical support based on special alumina that serves as a porous matrix, which is impregnated, by precipitation, with magnesium chloride by dissolving the latter in ethers and/or alcohols.