Title:
テトラフェニルホスホニウムフェノラートの液体調製物の調製法
Document Type and Number:
Japanese Patent JP4577983
Kind Code:
B2
Abstract:
A catalyst formulation that is liquid at room temperature and that comprise tetraphenylphosphonium phenolate and phenol is disclosed. The catalyst formulation is suitable as a transesterification catalyst and most especially in the preparation of thermoplastic solvent-free polycarbonates.
Inventors:
Konig, Annett
Plane, Michael
Plane, Michael
Application Number:
JP2000535689A
Publication Date:
November 10, 2010
Filing Date:
March 01, 1999
Export Citation:
Assignee:
Bayer Aktiengesellschaft
International Classes:
C08G64/30; B01J27/20; B01J31/02; C07C39/235; C07F9/54
Domestic Patent References:
| JP10007784A | ||||
| JP2002506453A | ||||
| JP10287626A |
Foreign References:
| EP0826693A1 |
Attorney, Agent or Firm:
Patent business corporation Odashima patent office