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. 22, 2013
Filed:
Dec. 17, 2010
Richard Cheng-ming Yeh, Bellaire, TX (US);
Vetkav Rajagopalan Eswaran, Houston, TX (US);
Edgar Peter Hentsch, Singapore, SG;
Oscar Kearney Broussard, Iii, Baton Rouge, LA (US);
Richard Cheng-Ming Yeh, Bellaire, TX (US);
Vetkav Rajagopalan Eswaran, Houston, TX (US);
Edgar Peter Hentsch, Singapore, SG;
Oscar Kearney Broussard, III, Baton Rouge, LA (US);
ExxonMobil Chemical Patents Inc., Houston, TX (US);
Abstract
Provided are apparatus and methods relating to the finishing line of a continuous solution polymerization plant. In one aspect, an apparatus includes a pelletizer having cooling liquid, e.g., water or aqueous solution, into which is added a pelletization aid. In another aspect, the apparatus comprises means to remove residual polymer particles from the pelletizer cooling liquid. In a further aspect, the apparatus comprises conduits of at least 50 m in length for carrying propellant cooling liquid from the pelletizer to a drying apparatus. The residence time of the pellets in the cooling liquid may be 10 seconds or more. In a further aspect, a drying apparatus is provided for the pellets which comprises first and second drying zones. In a further aspect, a pneumatic conveyor is provided for carrying pellets to a packaging apparatus. In a further aspect, a packaging apparatus is provided comprising a blender silo.