Fabric (woven – knitted – or nonwoven textile or cloth – etc.) – Coated or impregnated woven – knit – or nonwoven fabric which... – Coating or impregnation is electrical insulation-providing,...
Reexamination Certificate
2007-05-01
2007-05-01
Salvatore, Lynda M. (Department: 1771)
Fabric (woven, knitted, or nonwoven textile or cloth, etc.)
Coated or impregnated woven, knit, or nonwoven fabric which...
Coating or impregnation is electrical insulation-providing,...
C442S110000, C442S136000, C442S164000
Reexamination Certificate
active
11150281
ABSTRACT:
A resin-impregnated substrate having a high heat resistance at a high temperature under soldering conditions and a small linear expansion rate is provided. The resin-impregnated substrate can be obtained by a method comprising the steps of immersing a sheet comprising an aromatic liquid-crystalline polyester fiber in an aromatic liquid-crystalline polyester solution containing an aprotonic solvent and a liquid-crystalline polyester comprising 10 to 35% by mol, with respect to the total repeating units of the polyester, of at least one repeating unit selected from the group consisting of a repeating unit derived from an aromatic diamine and a repeating unit derived from an aromatic amine with a phenolic hydroxyl group; and removing the solvent.
REFERENCES:
patent: 5646209 (1997-07-01), Furuta et al.
patent: 2004/0210032 (2004-10-01), Okamoto et al.
patent: 05-08224 (1993-01-01), None
U.S. Appl. No. 11/028,654, filed Jan. 5, 2005.
Katagiri Shiro
Okamoto Satoshi
Salvatore Lynda M.
Sughrue & Mion, PLLC
Sumitomo Chemical Company Limited
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