The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 12, 1993
Filed:
Feb. 24, 1992
Gohei Yoshida, Nara, JP;
Masao Kobayashi, Osaka, JP;
The Honjo Chemical Corporation, Osaka, JP;
Abstract
There is disclosed a method of producing a transparent zinc oxide film having an even thickness especially useful as a ultraviolet rays cut off. The method comprises applying a solution of an organic zinc compound selected from the group consisting of a zinc salt of a fatty acid of 3-7 carbons and a chelate compound of a diketone of 5-8 carbons in an organic solution on a substrate, and then baking the resultant coating at temperatures of 300.degree.-600.degree. C. It is preferred that the solution of an organic zinc compound further contains at least one organometallic compound of a metal selected from the group consisting of aluminum, indium, tin and titanium.