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:
Jun. 22, 2004
Filed:
Apr. 09, 2001
Applicant:
Inventors:
Kazuo Saimoto, Osaka, JP;
Juichi Sasada, Kyoto, JP;
Masaki Mishima, Osaka, JP;
Hideaki Tokiyasu, Osaka, JP;
Hidefumi Okada, Kyoto, JP;
Ikuko Aoki, Osaka, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 9/50 ;
U.S. Cl.
CPC ...
H01J 9/50 ;
Abstract
The present invention presents a method for recycling a cathode ray tube bulb comprising a panel and a funnel fritted together with a frit glass. The panel and the funnel are separated by dissolving at least a portion of the frit glass with a solution of an organic acid, such as an aqueous carboxylic acid solution, and a cathode ray tube bulb is obtained using at least one of the panel and the funnel.