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:
May. 28, 2013
Filed:
Jan. 27, 2010
Applicants:
Byung Tae Yoon, Daejeon, KR;
Myoung Jae Choi, Daejeon, KR;
Seong BO Kim, Daejeon, KR;
Sang Bong Lee, Daejeon, KR;
Inventors:
Byung Tae Yoon, Daejeon, KR;
Myoung Jae Choi, Daejeon, KR;
Seong Bo Kim, Daejeon, KR;
Sang Bong Lee, Daejeon, KR;
Assignee:
Korea Research Institute of Chemical Technology, Daejeon, KR;
Primary Examiner:
Int. Cl.
CPC ...
C10B 1/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
Described are an apparatus and a method for recovering styrene monomer using an auxiliary solvent, more particularly an apparatus and a method for recovering styrene monomer through pyrolysis of waste polystyrene capable of improving recovery ratio of styrene monomer using an auxiliary solvent such as steam, preventing repolymerization of pyrolyzed styrene monomer and effectively preventing production of unwanted high molecular weight materials.