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.

Date of Patent:
Jan. 29, 2013

Filed:

Dec. 29, 2008
Applicants:

Hwan Seok Park, Anyang-si, KR;

Young Sub Jin, Seoul, KR;

Jae Keun Hong, Gunpo-Si, KR;

Sung Kwan Kim, Gunpo-Si, KR;

Byeong DO Lee, Gwangju, KR;

Ho Ryong Sun, Yeosu-si, KR;

Seung Dae Lee, Suncheon-si, KR;

Inventors:

Hwan Seok Park, Anyang-si, KR;

Young Sub Jin, Seoul, KR;

Jae Keun Hong, Gunpo-Si, KR;

Sung Kwan Kim, Gunpo-Si, KR;

Byeong Do Lee, Gwangju, KR;

Ho Ryong Sun, Yeosu-si, KR;

Seung Dae Lee, Suncheon-si, KR;

Assignee:

Cheil Industries Inc., Gumi-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 33/20 (2006.01); C08L 25/12 (2006.01); C08F 297/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

Disclosed herein is a non-glossy rubber modified aromatic vinyl-vinyl cyanide copolymer and a method for continuously preparing the same. The copolymer comprises about 80 to about 93% by weight of an aromatic vinyl-vinyl cyanide copolymer grafted onto about 7 to about 20% by weight of a diene-based rubber, and a dispersed phase of the copolymer has an average rubber particle diameter of about 6 to about 20 μm and a span of about 1.2 to about 2.8.


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