Title:
METHOD OF PREPARING BIPHENYL-4-YL DIPHENYL PHOSPHATE COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2012/008744
Kind Code:
A2
Abstract:
Provided is a method of preparing a biphenyl-4-yl diphenyl phosphate composition for use as a flame retardant or a plasticizer for resin, including mixing phosphoryl chloride (POCl3), 4-phenylphenol, and a catalyst, so that first dehydrochlorination occurs; and further adding phenol, so that second dehydrochlorination occurs.
More Like This:
| JP2720536 | [Title of Invention] Reaction Accelerator |
| JP4166872 | New phosphite ester derivative |
Inventors:
JANG WON SEOK (KR)
KIM WON YEOB (KR)
KIM MYOUNG LAE (KR)
KIM WON YEOB (KR)
KIM MYOUNG LAE (KR)
Application Number:
PCT/KR2011/005138
Publication Date:
January 19, 2012
Filing Date:
July 13, 2011
Export Citation:
Assignee:
SK INNOVATION CO LTD (KR)
JANG WON SEOK (KR)
KIM WON YEOB (KR)
KIM MYOUNG LAE (KR)
JANG WON SEOK (KR)
KIM WON YEOB (KR)
KIM MYOUNG LAE (KR)
International Classes:
C07F9/141; C09K21/12
Foreign References:
| KR20070112167A | 2007-11-22 | |||
| US2225285A | 1940-12-17 | |||
| US2656373A | 1953-10-20 |
Other References:
See references of EP 2593464A4
Attorney, Agent or Firm:
KWON, Oh-Sig et al. (921 Dunsan-dong, Seo-gu, Daejeon 302-120, KR)
Download PDF:
Claims:
Previous Patent: FOLDING APPARATUS FOR AN ELECTRODE ASSEMBLY
Next Patent: PACK CASE HAVING A NOVEL STRUCTURE
Next Patent: PACK CASE HAVING A NOVEL STRUCTURE