Patent classifications
C
CHEMISTRY; METALLURGY
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C07
ORGANIC CHEMISTRY
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C07C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
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215/00
Compounds containing amino and hydroxy groups bound to the same carbon skeleton
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C07C215/68
having amino groups bound to carbon atoms of six-membered aromatic rings and hydroxy groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton
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C07C215/72
with quaternised amino groups bound to the carbon skeleton
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C07C215/72

Color inhibitor for quaternary ammonium hydroxide in non-aqueous solvent
09944853 · 2018-04-17 · ·

A composition including a quaternary onium hydroxide in a non-aqueous solvent, wherein the quaternary ammonium hydroxide has a concentration in the range from about 5% by weight to about 50% by weight of the composition; and imidazolidine-2,4-dione, wherein the imidazolidine-2,4-dione has a concentration in the range from about 10 to about 5000 parts per million of the composition.

Color inhibitor for quaternary ammonium hydroxide in non-aqueous solvent
09944853 · 2018-04-17 · ·

A composition including a quaternary onium hydroxide in a non-aqueous solvent, wherein the quaternary ammonium hydroxide has a concentration in the range from about 5% by weight to about 50% by weight of the composition; and imidazolidine-2,4-dione, wherein the imidazolidine-2,4-dione has a concentration in the range from about 10 to about 5000 parts per million of the composition.