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:
Apr. 25, 2023
Filed:
Apr. 24, 2019
Applicant:
Polyplastics Co., Ltd., Tokyo, JP;
Inventors:
Hiroki Arai, Shizuoka, JP;
Tomohiro Monma, Shizuoka, JP;
Assignee:
POLYPLASTICS CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 59/04 (2006.01); C08K 3/22 (2006.01); C08K 5/00 (2006.01); C08K 5/13 (2006.01); C08L 71/02 (2006.01); F02M 59/44 (2006.01);
U.S. Cl.
CPC ...
C08L 59/04 (2013.01); C08K 3/22 (2013.01); C08K 5/005 (2013.01); C08K 5/13 (2013.01); C08L 71/02 (2013.01); F02M 59/445 (2013.01); C08K 2003/222 (2013.01); F02M 2200/9015 (2013.01);
Abstract
A polyacetal resin composition capable of minimizing degradation when a molded body thereof comes into contact with an acidic cleaner. The polyacetal resin composition contains with respect to (A) 100 parts by mass of a polyacetal copolymer in which the amount of a hemiformal end group is 0.8 mmol/kg or less, (B) more than 1.0 parts by mass and at most 5.0 parts by mass of a hindered phenol-based antioxidant, and (C) more than 4.0 parts by mass and at most 30 parts by mass of magnesium oxide.