Process for the production of biaxially oriented rigid rod heter

Details Process for the production of biaxially oriented rigid rod heter Process for the production of biaxially oriented rigid rod heter

Filed on

1989-01-11

Date issued

1990-02-06

Examiner

Thurlow, Jeffery

Patent Class

Synthetic resins or natural rubbers -- part of the class 520 ser

SubClass

Synthetic resins

SubSubClass

From phenol, phenol ether, or inorganic phenolate

Other Related Categories

264184, 2642095, 264233, 2642358, 2642902, 26433112, 264557, 264558, 264559, 264560, 264561, 528337, B29C 5512, B29C 5528, C08G 7322, C08G 7532

Type

Patent

Status

active

Patent number

048989240

Description

ABSTRACT:
A process is disclosed for the production of biaxially oriented liquid crystal films. The process includes:

REFERENCES:
patent: 3313783 (1967-04-01), Iwakura et al.
patent: 3574170 (1971-04-01), Chenevey
patent: 4051108 (1977-09-01), Helminiak et al.
patent: 4054633 (1977-10-01), Richardson
patent: 4108835 (1978-08-01), Arnold et al.
patent: 4131748 (1978-12-01), Arnold et al.
patent: 4225700 (1980-09-01), Wolfe et al.
patent: 4359567 (1982-11-01), Evers
patent: 4377546 (1983-03-01), Helminiak et al.
patent: 4423202 (1983-12-01), Choe
patent: 4487735 (1984-12-01), Chenevey et al.
patent: 4554119 (1985-11-01), Chenevey
patent: 4606875 (1986-08-01), Chenevey et al.

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