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. 15, 2011
Filed:
Feb. 24, 2004
Christian Ulrich Schmidt, Bonn, DE;
Stefan Ziegler, Eusserthal, DE;
Gabriele Mei, Ferrara, IT;
Stefano Bertolini, Bassano del Grappa-Vicenza, IT;
Gerben Meier, Frankfurt, DE;
Christian Ulrich Schmidt, Bonn, DE;
Stefan Ziegler, Eusserthal, DE;
Gabriele Mei, Ferrara, IT;
Stefano Bertolini, Bassano del Grappa-Vicenza, IT;
Gerben Meier, Frankfurt, DE;
Basell Poliolefine Italia, s.r.l., Milan, IT;
Abstract
Method for monitoring the velocity of growing polymer particles flowing in a two-phase stream during a polymerization process, said method comprising measuring the degree of attenuation in the propagation of light in said two-phase stream by means of a photometric instrument, said photometric instrument comprising: one or more transmitting optical waveguides connecting one or more light sources to said two-phase stream, one or more receiving optical waveguides connecting said two-phase stream to a light detector.