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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.:

US 9029482 B1

PDFFull Text
Date of Patent:
May. 12, 2015

Filed:

Dec. 07, 2012

Method for preparing polycondensation resin

Applicant:

Cheil Industries Inc., Gumi-si, KR;

Inventors:

Tomomich Kanda, Yokohamashi, JP;

Shimoda Tomoaki, Yokohamashi, JP;

Bok Nam Jang, Uiwang-si, KR;

Seung Hyun Jang, Uiwang-si, KR;

Assignee:

Cheil Industries Inc., Gumi-si, KR;

Attorney:

Additon, Higgins & Pendleton, P.A.

Primary Examiner:

Gregory Listvoyb

Int. Cl.
CPC ...
C08L 67/02 (2006.01); C08F 2/36 (2006.01); C08G 69/30 (2006.01); C08G 63/60 (2006.01); C08G 63/80 (2006.01); C08G 64/30 (2006.01); C08G 69/26 (2006.01);
U.S. Cl.
CPC ...
C08F 2/36 (2013.01); C08G 69/30 (2013.01); C08G 63/605 (2013.01); C08G 63/80 (2013.01); C08G 64/307 (2013.01); C08G 69/265 (2013.01);
Abstract

Disclosed herein is a method for preparing a polycondensation resin. The method includes preparing a low degree condensate; and solid phase polymerizing the low degree condensate, wherein a granular molded article is introduced into the solid phase polymerization. The method enables efficient manufacture of high quality resins without problems such as agglomeration or scaling of a low degree condensate in pipes.

Find Patent Forward Citations

Kanda, Tomomich. (2015). Method for preparing polycondensation resin (U.S. Patent No. 9029482). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9029482

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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