Compositions – Liquid crystal compositions
Reexamination Certificate
2005-01-04
2005-01-04
Wu, Shean C. (Department: 1756)
Compositions
Liquid crystal compositions
C252S299500, C524S539000, C524S601000, C524S604000, C524S605000
Reexamination Certificate
active
06838018
ABSTRACT:
An object of the present invention is to provide a liquid crystalline polyester resin composition to produce a molded article without generating black foreign materials even if exposed to high temperature. This object is achieved by providing a liquid crystalline polyester resin composition comprising a liquid crystalline polyester and at least one phosphite compound of the formula (I):wherein, R1represents a hydrogen atom or, an alkyl group having 1 to 4 carbon atoms or a phenyl group, and R2represents an alkyl group having 1 to 4 carbon atoms or a phenyl group.
REFERENCES:
patent: 6280668 (2001-08-01), Saito et al.
patent: 3-62847 (1991-03-01), None
patent: 04-318058 (1992-11-01), None
patent: 2003-96279 (2003-04-01), None
English abstract for JP 03062847, 1991.*
English abstract for JP 04318058, 1992.*
English abstract for JP 2003096279, 2003.
Hirakawa Manabu
Okamoto Satoshi
Foley & Lardner LLP
Sumitomo Chemical Company Limited
Wu Shean C.
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