US 11,732,214 B2
Cleaning agent composition comprising an alkylamide solvent and a fluorine-containing quaternary ammonium salt
Hiroshi Ogino, Toyama (JP); Tetsuya Shinjo, Toyama (JP); Shunsuke Moriya, Toyama (JP); and Takahisa Okuno, Toyama (JP)
Assigned to NISSAN CHEMICAL CORPORATION, Tokyo (JP)
Appl. No. 17/777,772
Filed by NISSAN CHEMICAL CORPORATION, Tokyo (JP)
PCT Filed Nov. 16, 2020, PCT No. PCT/JP2020/042594
§ 371(c)(1), (2) Date May 18, 2022,
PCT Pub. No. WO2021/100651, PCT Pub. Date May 27, 2021.
Claims priority of application No. 2019-209959 (JP), filed on Nov. 20, 2019.
Prior Publication US 2023/0002701 A1, Jan. 5, 2023
Int. Cl. C11D 3/43 (2006.01); C11D 1/62 (2006.01); C11D 1/52 (2006.01); C11D 3/24 (2006.01)
CPC C11D 1/62 (2013.01) [C11D 1/52 (2013.01); C11D 3/245 (2013.01)] 14 Claims
 
1. A cleaning agent composition for use in removing an adhesive residue,
the composition comprising a quaternary ammonium salt and a composition solvent including a first organic solvent and a second organic solvent;
the first organic solvent is an amide derivative represented by formula (Z):

OG Complex Work Unit Chemistry
wherein R0 represents an ethyl group, a propyl group, or an isopropyl group; and each of RA and RB represents a C1 to C4 alkyl group;
the second organic solvent is a non-amide organic solvent other than the amide derivative;
the quaternary ammonium salt includes a fluorine-containing quaternary ammonium salt; and
the composition has a water content less than 4.0 mass %.