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:
Jul. 30, 2024

Filed:

Jan. 28, 2019
Applicant:

Kuraray Co., Ltd., Kurashiki, JP;

Inventors:

Takuro Niimura, Tainai, JP;

Masashi Akari, Tainai, JP;

Hiroshi Ozawa, Tainai, JP;

Assignee:

KURARAY CO., LTD., Kurashiki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 6/22 (2006.01); C08F 2/24 (2006.01); C08F 220/14 (2006.01); C08F 220/18 (2006.01); C08F 265/06 (2006.01); C08F 285/00 (2006.01); C08J 5/18 (2006.01); C08L 33/12 (2006.01);
U.S. Cl.
CPC ...
C08F 6/22 (2013.01); C08F 2/24 (2013.01); C08F 220/14 (2013.01); C08F 220/18 (2013.01); C08F 265/06 (2013.01); C08F 285/00 (2013.01); C08J 5/18 (2013.01); C08L 33/12 (2013.01);
Abstract

The present invention provides a multilayered acrylic polymer coagulate characterized in that the coagulate has a bulk density of 0.3 to 0.6 g/cmand a median diameter of 50 to 400 μm and contains particles having a particle diameter of 75 or less in a proportion of 50% or less, and the amount of alkali metal and alkaline earth metal contained in the coagulate satisfies the following formula (1):Σ()×(120−)≤100  (1)wherein


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