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:
Oct. 06, 2020
Filed:
Dec. 15, 2017
Basell Poliolefine Italia S.r.l., Milan, IT;
Enrico Balestra, Ferrara, IT;
Tiziana Caputo, Ferrara, IT;
Massimo Covezzi, Ferrara, IT;
Maurizio Dorini, Ferrara, IT;
Antonio Mazzucco, Ferrara, IT;
Gabriele Mei, Houston, TX (US);
Ricardo Rinaldi, Ferrara, IT;
Basell Poliolefine Italia S.r.l., Milan, IT;
Abstract
A fluid is fed into a polymer bed of a fluidized bed gas phase polymerization reactor by introducing the fluid into the polymer bed through a distributor protruding into the fluidized bed zone of the reactor and terminating with a discharge end positioned so that the following equation is fulfilled:>0.002wherein d is the distance of the distributor's discharge end from the wall of the reactor, and D is the diameter of the reactor in the fluidized bed zone.