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:
Mar. 31, 2015
Filed:
Aug. 18, 2011
Applicants:
IN Gi Cho, Gimcheon-si, KR;
Jin Sang Choi, Gimcheon-si, KR;
Kyung Min Kang, Gimcheon-si, KR;
Inventors:
Assignee:
KTP Industries, Inc., Gimcheon-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 323/06 (2006.01); C07C 51/44 (2006.01); A61K 9/00 (2006.01); B01D 3/00 (2006.01);
U.S. Cl.
CPC ...
C07D 323/06 (2013.01); A61K 9/0014 (2013.01); B01D 3/009 (2013.01);
Abstract
The present invention relates to a method for preparing 1,3,5-trioxane using a distillation tower including a reactor, a distillation section, and an extraction section. Particularly, the present invention relates to a method for preparing 1,3,5-trioxane, in which the water phase separated from the stream discharged through the extraction unit of the reaction distillation tower is used in the process of extracting 1,3,5-trioxane.