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. 30, 2021
Filed:
Oct. 11, 2018
Kureha Corporation, Tokyo, JP;
Kenji Suzuki, Tokyo, JP;
Michihisa Miyahara, Tokyo, JP;
Hiroshi Sakabe, Tokyo, JP;
Yuichi Ishioka, Tokyo, JP;
KUREHA CORPORATION, Tokyo, JP;
Abstract
The present invention provides a continuous polymerization apparatus capable of simply and efficiently separating a polymer and solid matter from a reaction mixture while having an apparatus configuration conducive to washing and maintenance, and a continuous production method for a polymer. A continuous polymerization apparatus () includes a plurality of reaction vessels (to), wherein the plurality of reaction vessels are configured such that reaction mixtures (to) successively move through each reaction vessel; in the plurality of reaction vessels, gas phase parts formed above the reaction mixture communicate with one another; and the continuous polymerization apparatus includes a washing part (), the washing part configured to separate a solid included in the reaction mixture by sedimentation and to perform countercurrent washing.