Title:
METHOD FOR PRODUCING BISCHLOROFORMATE COMPOUND, POLYCARBONATE OLIGOMER HAVING SMALL NUMBER OF MONOMERS AND SOLUTION CONTAINING BISCHLOROFORMATE COMPOUND
Document Type and Number:
WIPO Patent Application WO/2010/150888
Kind Code:
A1
Abstract:
A bischloroformate represented by (chemical formula 1), which has an average number of monomers (n) of 1.99 or less, is produced by mixing a dihydric phenolic compound represented by (chemical formula 2): HO-Ar-OH, a phosgene compound and an aliphatic tertiary amine with the use of a hydrophobic organic solvent. In (chemical formulae 1 and 2), Ar represents a divalent aromatic group.
Inventors:
HIKOSAKA TAKAAKI (JP)
MIYAMOTO HIDEYUKI (JP)
HOKARI HIROICHI (JP)
CHIBA CHIKAYUKI (JP)
TAKEMOTO HITOSHI (JP)
MIYAMOTO HIDEYUKI (JP)
HOKARI HIROICHI (JP)
CHIBA CHIKAYUKI (JP)
TAKEMOTO HITOSHI (JP)
Application Number:
PCT/JP2010/060893
Publication Date:
December 29, 2010
Filing Date:
June 25, 2010
Export Citation:
Assignee:
IDEMITSU KOSAN CO (JP)
CHUO KASEIHIN CO INC (JP)
HIKOSAKA TAKAAKI (JP)
MIYAMOTO HIDEYUKI (JP)
HOKARI HIROICHI (JP)
CHIBA CHIKAYUKI (JP)
TAKEMOTO HITOSHI (JP)
CHUO KASEIHIN CO INC (JP)
HIKOSAKA TAKAAKI (JP)
MIYAMOTO HIDEYUKI (JP)
HOKARI HIROICHI (JP)
CHIBA CHIKAYUKI (JP)
TAKEMOTO HITOSHI (JP)
International Classes:
C07C68/02; C07C69/96; C08G64/06
Foreign References:
| JP2008543969A | 2008-12-04 | |||
| JPH0827068A | 1996-01-30 | |||
| JP2007524681A | 2007-08-30 | |||
| JP2003210959A | 2003-07-29 |
Attorney, Agent or Firm:
KINOSHITA & ASSOCIATES (JP)
Bottom intellectual property office of patent business corporation Tatsuyuki (JP)
Bottom intellectual property office of patent business corporation Tatsuyuki (JP)
Download PDF: