Liquid crystalline polymeric compositions

Details Liquid crystalline polymeric compositions Liquid crystalline polymeric compositions

Filed on

2006-10-31

Date issued

2006-10-31

Examiner

Wu, Shean C. (Department: 1756)

Patent Class

Compositions

SubClass

Liquid crystal compositions

Other Related Categories

C252S299500, C252S299600, C439S607070, C524S486000

Type

Reexamination Certificate

Status

active

Patent number

07128847

Description

ABSTRACT:
Disclosed are liquid crystalline polymer compositions, which are melt moldable, and which contain a perfluorinated polymer, and a particulate aramid, and optionally contain hollow glass or quartz spheres, and which usually have low dielectric constants. They are particularly useful as electrical connectors and substrates for other electronic applications which use high frequency signals.

REFERENCES:
patent: 4118372 (1978-10-01), Schaefgen
patent: 5110896 (1992-05-01), Waggoner et al.
patent: 5348990 (1994-09-01), Walpita
patent: 5397502 (1995-03-01), Waggoner et al.
patent: 5466744 (1995-11-01), Evans et al.
patent: 5811042 (1998-09-01), Hoiness
patent: 6388202 (2002-05-01), Swirbel et al.
patent: 0 512 401 (1992-11-01), None
patent: 870 795 (1998-10-01), None
patent: WO 94/26802 (1994-11-01), None
patent: WO 99/52978 (1999-10-01), None
Patent Abstracts of Japan, Publ. No. 04055437, Feb. 24, 1992, Matsushita Electric Works, Ltd. “Prepreg for Laminated Board with Low Dielectric Constant”.

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