1,4-butanediol-containing composition
AssigneeMitsubishi Chemical Corporation
InventorsYusuke Izawa, Masaru Utsunomiya, Norikazu Konishi, Kouta Tanaka, Takayuki Suzuki, Shinichirou Matsuzono
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Abstract
A 1,4-butanediol-containing composition having a concentration of 1,4-butanediol of 99.00% by weight or more and not more than 99.99% by weight and containing 2-pyrrolidone or N-methylpyrrolidone in a concentration, as converted into a nitrogen atom, of from 1.0 to 25 ppm by weight and methods of use thereof.
Claims3
A 1,4-butanediol-containing composition having a concentration of 1,4-butanediol of 99.00% by weight or more and not more than 99.99% by weight and containing 2 pyrrolidone or N-methylpyrrolidone in a concentration, as converted into a nitrogen atom, of from 1.0 to 25 ppm by weight.
Dependencies are inferred from the claim text.