公开(公告)号：US20200239813A1

公开(公告)日：2020-07-30

申请号：US16634340

申请日：2018-06-28

Applicant: NICCA CHEMICAL CO., LTD.

Inventor： Tetsuya MUNEISHI ,  Junichi NAKAJIMA ,  Takeshi YOSHIDA ,  Masahiko SHIMAKAWA ,  Fumitaka ITO

IPC: C11D3/36 ,  C11D1/722 ,  C11D1/08 ,  C11D3/28

Abstract: A metal cleanser composition includes: (A) at least one carboxylic acid compound selected from the group consisting of an aliphatic monocarboxylic acid, a polycarboxylic acid, and a neutral salts thereof; (B) a specific oxyalkylene group-containing compound; and (C) at least one compound selected from the group consisting of a specific organic phosphonic acid and a salt thereof, and a specific nitrogen-containing heterocycle-containing compound.

公开(公告)号：US20240360317A1

公开(公告)日：2024-10-31

申请号：US18573923

申请日：2022-05-25

Applicant: NICCA CHEMICAL CO., LTD.

Inventor： Yasuo MORI ,  Kenta ICHIMURA ,  Hajime SAITO ,  Takeshi YOSHIDA ,  Masashige SUGIMOTO

IPC: C08L97/00 ,  B41M5/52 ,  C08H7/00

CPC classification number: C08L97/005 ,  B41M5/52 ,  C08H6/00

Abstract: In a kraft lignin according to the present disclosure, the content of dimethyl disulfide is 2.5 ppm or less.