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. 11, 2022
Filed:
Feb. 09, 2018
Zeon Corporation, Tokyo, JP;
Junji Kodemura, Tokyo, JP;
Yoshitaka Satoh, Tokyo, JP;
ZEON CORPORATION, Tokyo, JP;
Abstract
A method for producing a synthetic rubber, the method including: an emulsification step of continuously feeding a solution or a dispersion of a synthetic rubber obtained by dissolving or dispersing the synthetic rubber in an organic solvent and an aqueous solution of an emulsifier to a mixer and mixing to continuously obtain an emulsion; a first removal step of removing the organic solvent from the emulsion continuously obtained in the emulsification step in a container while the emulsion is continuously transferred to the container regulated to a pressure condition of 700 to 760 mmHg; and a second removal step of removing the organic solvent from the emulsion that has undergone the first removal step under a pressure of less than 700 mmHg.