Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Reexamination Certificate
2007-04-17
2007-04-17
Zucker, Paul A. (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
C562S598000
Reexamination Certificate
active
10664237
ABSTRACT:
This invention is providing a method for efficient treatment of the waste material from a process for production of acrylic acid and an acrylic ester. This is a method for the disposal of waste material, which at least one waste material selected from the group consisting of waste oil, waste water, and waste gas emitted from a process for production of acrylic acid is/are purified with at least one waste material selected from the group consisting of waste oil, waste water, and waste gas emitted from a process for production of an acrylic ester jointly. The efficiency of the treatment is enhanced by simultaneously treating the waste material.
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Hirao Harunori
Matsumoto Yukihiro
Nishimura Takeshi
Sanada Kenji
Mathews, Shepherd, McKay & Bruneau, P.A.
Nippon Shokubai Co. Ltd
Zucker Paul A.
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