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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 11180647 B1

PDFFull Text
Date of Patent:
Nov. 23, 2021

Filed:

Aug. 22, 2018

Polyvinyl chloride-based rigid molded products and method for manufacturing the same

Applicant:

Shin-etsu Chemical Co., Ltd., Tokyo, JP;

Inventors:

Yoshihito Sasada, Kamisu, JP;

Toshiki Kawabata, Kamisu, JP;

Junichi Kawashima, Kamisu, JP;

Osamu Matsumoto, Kamisu, JP;

Assignee:

SHIN-ETSU CHEMICAL CO., LTD., Tokyo, JP;

Attorney:

Westerman, Hattori, Daniels & Adrian, LLP

Primary Examiner:

Deve V Hall

Int. Cl.
CPC ...
C08L 27/06 (2006.01); C08K 3/26 (2006.01); C08K 9/04 (2006.01); B29C 45/00 (2006.01); B29C 69/02 (2006.01); C08J 3/20 (2006.01); B29K 27/06 (2006.01); B29L 7/00 (2006.01); B29L 23/00 (2006.01); C08K 5/09 (2006.01);
U.S. Cl.
CPC ...
C08L 27/06 (2013.01); B29C 45/0001 (2013.01); B29C 69/02 (2013.01); C08J 3/203 (2013.01); C08K 3/26 (2013.01); C08K 9/04 (2013.01); B29C 2948/92266 (2019.02); B29K 2027/06 (2013.01); B29L 2007/002 (2013.01); B29L 2023/22 (2013.01); C08F 2500/02 (2013.01); C08F 2500/24 (2013.01); C08J 2327/06 (2013.01); C08K 5/09 (2013.01); C08K 2003/265 (2013.01); C08K 2201/005 (2013.01);
Abstract

The present invention provides a polyvinyl chloride-based rigid molded product containing 10 to 40 parts by weight of calcium carbonate having an average primary particle size of 0.01 to 0.3 μm per 100 parts by weight of a polyvinyl chloride-based resin having an average polymerization degree of 500 to 1,500, wherein a variation coefficient of the number of calcium carbonate particles in partitioning analysis of a cross section of the molded product is 15% or less, and a method for manufacturing the same.

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Sasada, Yoshihito. (2021). Polyvinyl chloride-based rigid molded products and method for manufacturing the same (U.S. Patent No. 11180647). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11180647

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

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