Process for the production of optically isotropic extrusion film

Details Process for the production of optically isotropic extrusion film Process for the production of optically isotropic extrusion film

1990-04-04

1991-12-31

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

2642105, 264280, 425325, B29C 4790

Patent

active

050769871

ABSTRACT:
A process for the production of optically isotropic extrusion films is disclosed. Accordingly in a first process step a thermoplsatic resin is extruded to form a film having a thickness below 600 .mu.m. The second process step entails

REFERENCES:
patent: 3901639 (1975-08-01), Mandelson et al.
patent: 4376751 (1983-03-01), Duchane
patent: 4614634 (1986-09-01), Weber et al.
patent: 4696779 (1987-09-01), Wideman
patent: 4844766 (1989-07-01), Held
patent: 4859392 (1989-08-01), Vetter
patent: 4925379 (1990-05-01), Bourelier
patent: 4929474 (1990-05-01), Avni et al.

Affiliated with

Also associated with

Rating

Process for the production of optically isotropic extrusion film does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for the production of optically isotropic extrusion film, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the production of optically isotropic extrusion film will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1508279