Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Reexamination Certificate
2006-01-10
2006-01-10
Acquah, Samuel A. (Department: 1711)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
C528S176000, C528S180000, C528S190000, C528S191000, C528S193000, C528S207000, C528S212000, C528S218000, C525S437000, C525S444000, C252S299620
Reexamination Certificate
active
06984712
ABSTRACT:
The present invention provides a liquid-crystalline polyester resin which comprises monomer units derived from 2-hydroxy-3-naphthoic acid and/or 2-hydroxynaphthalene-3,6-dicarboxylic acid in an amount of 1-5000 mmol % based on the total monomer components of the resin and an alkaline metal compound in an amount of 10-3000 ppm as alkaline metal based on the total monomer components of the resin. The liquid-crystalline polyester resin of the present invention has good colorability, improved heat resistance and good mechanical properties.
REFERENCES:
patent: 5808142 (1998-09-01), Rittner et al.
patent: 6656386 (2003-12-01), Suenaga et al.
patent: 0 702 702 (1999-05-01), None
patent: 1103573 (2001-05-01), None
patent: 1 103 573 (2001-05-01), None
patent: 1 422 256 (2004-05-01), None
patent: WO 94/29366 (1994-12-01), None
Kato Hiroyuki
Kitayama Masaya
Kometani Kiichi
Ueda Kazunori
Ueno Ryuzo
Acquah Samuel A.
Kabushiki Kaisha Ueno Seiyaku Oyo Kenkyujo
Sughrue & Mion, PLLC
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