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:
Jul. 27, 2010
Filed:
Jul. 04, 2005
Applicants:
Luciano Michielin, Mantova, IT;
Maurizio Dorini, Mantova, IT;
Giuseppe Penzo, Mantova, IT;
Riccardo Rinaldi, Mantova, IT;
Inventors:
Luciano Michielin, Mantova, IT;
Maurizio Dorini, Mantova, IT;
Giuseppe Penzo, Mantova, IT;
Riccardo Rinaldi, Mantova, IT;
Assignee:
Basell Poliolefine Italia s.r.l., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 2/00 (2006.01); B01J 4/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of discharging polymer from a continuously operated polymerization reactor, wherein at least a monomer is polymerized to form polymer particles, the method comprising adjusting the discharge rate of the polymer particles by means of a piston valve having a piston element connected to an actuator, said actuator being able to modulate the piston stroke inside said piston valve.