Title:
POLARIZING SUBSTANCE
Document Type and Number:
Japanese Patent JP3209566
Kind Code:
B2
Abstract:
PURPOSE: To obtain a polarizing substance excellent in stabilities to ultraviolet rays, high-temp. and humidity, and containing iodine adsorbed thereby by incorporating a complex formed by reacting elemental iodine, a hydrohalogenic acid and/or an ammonium halide or an alkali or alkaline dearth metal halide. and a specified compd. into the substance.
CONSTITUTION: This polarizing substance contains a complex formed by reacting elemental iodine, a hydrohalogenic acid and/or an ammonium halide or an alkali or alkaline earth metal halide (e.g. CaI2), and a compd. of the formula (wherein R1 is carboxyl; and R2 is carboxyl, methoxy, nitro, amino, hydroxyl, or a lower alkyl group substd. by a carboxyl, hydroxyl, or methoxy group).
Inventors:
Joseph Aloysias Check The Third
Robert El Sachs
Robert El Sachs
Application Number:
JP10970892A
Publication Date:
September 17, 2001
Filing Date:
April 28, 1992
Export Citation:
Assignee:
Research Frontiers Incorporated
International Classes:
C09K3/00; C07C229/16; G02B1/08; G02B5/30; G02F1/17; (IPC1-7): C09K3/00; G02B1/08; G02B5/30
Domestic Patent References:
| JP5127021A | ||||
| JP345905A | ||||
| JP3167290A |
Attorney, Agent or Firm:
Minoru Nakamura (6 outside)