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.:

US 7923480 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 12, 2011

Filed:

Jan. 12, 2007
Applicants:

Jun Fujita, Tokyo, JP;

Takashi Yamasaki, Sagamiha Kanagawa, JP;

Inventors:

Jun Fujita, Tokyo, JP;

Takashi Yamasaki, Sagamiha Kanagawa, JP;

Assignee:

3M Innovative Properties Company, Saint Paul, MN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 2/50 (2006.01); C08J 3/28 (2006.01);
U.S. Cl.
CPC ...
Abstract

A composition usable as a moisture absorbent for an organic electroluminescence device. A photocurable hygroscopic composition comprising (a) a moisture-reactive organic metal compound, (b) a (meth)acrylate, (c) a carboxyl group-containing polymerizable monomer, and (d) a photopolymerization initiator. The proportion of the moisture-reactive organic metal compound (a) is from 5 to 70 wt % based on the entire composition, and the proportion of the carboxyl group-containing polymerizable monomer (c) is from 0.1 to 50 mol % based on the moisture-reactive organic metal compound (a).


Find Patent Forward Citations

Fujita, Jun. (2011). Photocurable hygroscopic composition and organic el device (U.S. Patent No. 7923480). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7923480

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