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:
Aug. 13, 2002
Filed:
Oct. 14, 1999
Syuji Terasaki, Ibaraki, JP;
Hisaaki Terashima, Ibaraki, JP;
Satoru Matsunaga, Ibaraki, JP;
Masamichi Akatsu, Ibaraki, JP;
Kureha Kagaku Kogyo K.K., Tokyo, JP;
Abstract
A moistureproof film composed of a transparent multi-layer film having a layer structure that thin metal or nonmetal oxide layers (C) are respectively arranged directly or through an adhesive layer (B) on both sides of a hygroscopic resin layer (A), and having a water vapor transmission rate of at most 0.05 g/m ·24 hr as measured at a temperature of 60° C. and a relative humidity of 90%, and a quantity of water vapor transmission for 50 hours of at most 0.15 g/m as measured at a temperature of 40° C. and a relative humidity of 100%, a production process thereof, an EL device sealed with the moistureproof film, and a fabrication process of the EL device.