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US 12,624,318 B2Granted
Cleaning agent composition and cleaning method
AssigneeNissan Chemical Corporation
InventorsHiroshi Ogino, Takahisa Okuno, Ryo Karasawa, Tetsuya Shinjo
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Abstract
A cleaning agent composition for use in removal of an adhesive residue, the composition containing a quaternary ammonium salt and a solvent, wherein the solvent consists of an organic solvent, and the organic solvent includes an N,N,N′,N′-tetra(hydrocarbyl)urea.
Claims5
A cleaning agent composition for use in removal of an adhesive residue, the composition containing substantially no water, and comprising:
- a halogen-containing quaternary ammonium salt selected from the group consisting of tetramethylammonium fluoride, tetraethylammonium fluoride, tetrapropylammonium fluoride, and tetrabutylammonium fluoride, and
- an N,N,N′,N′-tetra(hydrocarbyl)urea selected from the group consisting of N,N,N′,N′-tetramethylurea and N,N,N′,N′-tetraethylurea.
Dependencies are inferred from the claim text.