Patent ID: 9484218
Filing Date: 2016-11-01
CPC Classification: C11D,G03F,H01L

Claim Text:
1. A composition consisting of: (a) an amine selected from the group consisting of tetramethylammonium hydroxide, benzyl-trimethylammonium hydroxide, tetraethylammonium hydroxide and tetrabutylammonium hydroxide, and a combination thereof; (b) an organic solvent A selected from the group consisting of dimethyl sulfoxide (DMSO), dimethyl sulfone (DMSO (c) a co-solvent selected from the group consisting of an isopropyl alcohol, an isobutyl alcohol, a sec-butyl alcohol, an isopentyl alcohol, a tort-pentyl alcohol, ethylene glycol (EG), propylene glycol, 1,2-propanediol, 1,3-propanediol, 1,2,3-propanetriol, 1-amino-2-propanol, isopropyl acetate, ethyl acetoacetate, triethanol amine, ethanolamine (MEA), formamide, dimethylacetamide (DMAC), 2-(methylamino_ethanol (NMEA), and N-ethyldiisopropylamine, and a combination thereof; and (d) less than 1 wt % water; and (e) optional additives.