Azo compounds and polarizing films using the compounds

Details Azo compounds and polarizing films using the compounds Azo compounds and polarizing films using the compounds

1995-06-14

1997-06-17

Schofer, Joseph L.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 94, 524111, 524190, 524204, F21V 914, G02B 530, C09B 4528, C09B 4532

Patent

active

056398093

ABSTRACT:
The present invention provides a polarizing film having high heat resistance and a high degree of polarization and excellent optical properties by dyeing a polymer film with a novel azo compound represented by the following formula (1) or (2): ##STR1##

REFERENCES:
patent: 2769805 (1956-11-01), Hanhart
patent: 2831848 (1958-04-01), Riat et al.
patent: 2837507 (1958-06-01), Riat et al.
patent: 5318856 (1994-06-01), Misawa et al.
Chemical Abstracts, vol. 102, 26357w, "Water-Soluble Disazo Compounds", Aug. 20, 1984--Japanese Laid-Open Patent No. 59-145255. (Abstract Only).
Chemical Abstracts, vol. 104, 70283j "Water-Soluble Disazo Compounds", Aug. 16, 1985--Japanese Laid-Open Patent No. 60-156759. (Abstract Only).
Chemical Abstracts, vol. 104, 69953w, "Colored Poly(Vinyl Alcohol) Films", Sep. 2, 1985--Japanese Laid Open Patent No. 60-168743. (Abstract Only).
Chemical Abstracts, vol. 1115, 266442g, "Dichroic Dye Polarizer Film", Mar. 25, 1991, Japanese Laid Open Patent No. 68902. (Abstract Only).
Chemical Abstracts, vol. 116, 224369d, "Dyed Polarizer Film", Apr. 15, 1991, Japanese Laid Open Patent No. 89203. (Abstract Only).

Affiliated with

Also associated with

Rating

Azo compounds and polarizing films using the compounds does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Azo compounds and polarizing films using the compounds, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Azo compounds and polarizing films using the compounds will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2158447