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:
Nov. 25, 2025
Filed:
Mar. 07, 2022
Kaneka Corporation, Osaka, JP;
Yoshiaki Matsuoka, Settsu, JP;
KANEKA CORPORATION, Osaka, JP;
Abstract
An object of the present invention is to provide a method for manufacturing an injection-molded product of a resin composition containing a P3HA-based resin, capable of performing stable continuous production without generating flash. To achieve the object, provided is a method for manufacturing an injection-molded product by using a mold apparatus for a resin composition containing a P3HA-based resin, the P3HA-based resin being a copolymer containing at least one kind of copolymer of a 3HB unit and another hydroxyalkanoate unit, a parting line that is in contact with a cavity inside a mold included in the mold apparatus having a maximum width of not more than 30 μm, a vent portion being provided at a specific position inside the mold, the vent portion having an opening portion with a maximum width of 1 μm to 50 μm.