公开(公告)号：US11078338B2

公开(公告)日：2021-08-03

申请号：US16318808

申请日：2016-07-22

Applicant: SEKISUI PLASTICS CO., LTD.

Inventor： Kaori Kuwagaki ,  Akiyoshi Kusaka

IPC: C08J3/16 ,  A61K8/02 ,  A61K8/85 ,  A61Q19/00 ,  C08G63/06 ,  C08G63/08 ,  C08G63/16 ,  C08J3/11 ,  C09D5/03 ,  C09D167/02 ,  C09D167/04 ,  C08J3/12

Abstract: Generally spherical resin particles formed of a thermoplastic resin, having a sphericity of 0.90 to 1.00, a light scattering index of 0.5 to 1.0 and a linseed oil absorption of 30 to 150 mL/100 g.

公开(公告)号：US12065548B2

公开(公告)日：2024-08-20

申请号：US17347864

申请日：2021-06-15

Applicant: SEKISUI PLASTICS CO., LTD.

Inventor： Kaori Kuwagaki ,  Akiyoshi Kusaka

IPC: C08J3/16 ,  A61K8/02 ,  A61K8/85 ,  A61Q19/00 ,  C08G63/06 ,  C08G63/08 ,  C08G63/16 ,  C08J3/11 ,  C08J3/12 ,  C09D5/03 ,  C09D167/02 ,  C09D167/04

CPC classification number: C08J3/16 ,  A61K8/025 ,  A61K8/85 ,  A61Q19/00 ,  C08G63/06 ,  C08G63/08 ,  C08G63/16 ,  C08J3/11 ,  C08J3/12 ,  C09D5/031 ,  C09D167/02 ,  C09D167/04 ,  A61K2800/26 ,  C08G2230/00 ,  C08J2367/02 ,  C08J2367/04

Abstract: Generally spherical resin particles formed of a thermoplastic resin, having a sphericity of 0.90 to 1.00, a light scattering index of 0.5 to 1.0 and a linseed oil absorption of 30 to 150 mL/100 g.

公开(公告)号：US11548995B2

公开(公告)日：2023-01-10

申请号：US17106518

申请日：2020-11-30

Applicant: SEKISUI PLASTICS CO., LTD.

Inventor： Kaori Kuwagaki ,  Akiyoshi Kusaka

IPC: C08J9/28 ,  C08J3/14

Abstract: A manufacturing method for porous resin microparticles comprising steps of: heating a polyester thermoplastic resin having biodegradability to a temperature of 80° C. or higher and 200° C. or lower in a glycol ether solvent to obtain a solution, and cooling the solution to precipitate the polyester thermoplastic resin as porous resin microparticles.

公开(公告)号：US10227456B2

公开(公告)日：2019-03-12

申请号：US15509231

申请日：2015-09-09

Applicant: SEKISUI PLASTICS CO., LTD.

Inventor： Akiyoshi Kusaka ,  Kaori Kuwagaki ,  Ryosuke Harada

IPC: C08G18/10 ,  C08J3/24 ,  C09D7/40 ,  A61Q1/12 ,  A61K8/81 ,  A61Q19/00 ,  C08F2/18 ,  C08F2/44 ,  C08F290/06 ,  C08F299/06 ,  C09D201/00 ,  C08L55/00 ,  A61K8/06 ,  A61K8/87 ,  A61Q1/02 ,  C08G18/32 ,  C08G18/34 ,  C08G18/44 ,  C08G18/48 ,  C08G18/66 ,  C08G18/73 ,  C08G18/78 ,  C08G18/83 ,  C08K3/36 ,  C09D175/16 ,  C08G18/67 ,  C08G18/80

Abstract: A high-recoverability resin particles having a mean particle size of 1 to 100 μm containing a cross-linked (meth)acrylic acid ester-based resin, wherein the high-recoverability resin particles have a recovery rate of 22% or greater, and a 30% compression strength of 1.5 to 5.0 kgf/mm2.