Title:
METHOD FOR PRODUCING SULFUR-CONTAINING ACRYLIC COMPOUND
Document Type and Number:
Japanese Patent JP3899759
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a method for producing sulfur-containing acrylic compounds having a high refractive index and not containing finely divided solid particles.
SOLUTION: Sediments of impurities precipitated from a mixed solution where sulfur-containing crude acrylic compounds are dissolved in a mixture of a solvent with a nonsolvent are removed, and then the solvent and the nonsolvent are distilled out and the obtained sulfur-containing acrylic compounds are processed by filtration.
Inventors:
Yutaka Tamura
Seiichiro Hayakawa
Seiichiro Hayakawa
Application Number:
JP36612399A
Publication Date:
March 28, 2007
Filing Date:
December 24, 1999
Export Citation:
Assignee:
Mitsubishi Chemical Corporation
International Classes:
C07C319/14; C07C323/12; C07C323/14; C07C323/65; C08F20/38; G02B1/04; (IPC1-7): C07C319/14; C07C323/12; C07C323/14; C07C323/65; C08F20/38; G02B1/04
Domestic Patent References:
| JP60026010A | ||||
| JP61072748A |
Attorney, Agent or Firm:
Hasegawa Soji