Title:
PHOTOCHROMIC TITANIUM OXIDE COMPOUND
Document Type and Number:
Japanese Patent JP3254705
Kind Code:
B2
Abstract:
PURPOSE: To obtain a photochromic titanium oxide compd. capable of being put to practical use by blending a titanium compd. with a specified amt. of a metal compd. imparting photochromic property and a specified amt. of a sodium compd.
CONSTITUTION: A titanium compd. is blended with 0.1-1.0wt.% (expressed in terms of sodium oxide) sodium compd. and 0.2-8.0wt.% (expressed in terms of metal oxide) metal compd. of at least one among iron, chromium, copper, nickel, vanadium and manganese so that the total amt. is regulated to 100wt.% (expressed in terms of oxides).
Inventors:
Isao Oizumi
Hiroyuki Fujita
Hiroyuki Fujita
Application Number:
JP34081891A
Publication Date:
February 12, 2002
Filing Date:
December 24, 1991
Export Citation:
Assignee:
Sumitomo Chemical Co., Ltd.
International Classes:
A61K8/30; A61K8/19; A61K8/29; A61Q1/02; C01G23/00; C09D5/00; C09K9/00; (IPC1-7): C01G23/00; A61K7/02; C09D5/00
Domestic Patent References:
| JP4364117A | ||||
| JP59217625A | ||||
| JP63132811A |
Attorney, Agent or Firm:
Mitsuhiro Moroishi (1 person outside)