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:
Aug. 12, 2014
Filed:
Dec. 30, 2010
Applicants:
Jong-kuk Won, Daejeon, KR;
Hee-heon Jang, Chungcheongnam-do, KR;
Inventors:
Jong-Kuk Won, Daejeon, KR;
Hee-Heon Jang, Chungcheongnam-do, KR;
Assignee:
Samsung Total Petrochemicals Co., Ltd., Seosan-si, Chungcheongnam-do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 5/327 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for improving productivity and process stability in styrene monomer manufacturing system using a reaction system having multiple reactors connected in series, which can prevent destruction of the embedded catalyst and bending of a screen which supports catalyst and achieve homogeneous catalyst inactivation during the reaction by divergence of some portions of the feed containing steam and ethylbenzene and injection thereof into a certain point of the system.