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:
Dec. 05, 2000
Filed:
Mar. 15, 1999
Applicant:
Inventor:
Yasuo Fujiwara, Kashiwa, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D / ; B65B / ; B65D / ; G03G / ; G09F / ;
U.S. Cl.
CPC ...
399106 ; 2203593 ; 222D / ; 399111 ; 428 357 ;
Abstract
The present invention provides a developer container having excellent sealability. In the developer container for containing a developer with an opening sealed, the sealant main component of the sealing member is a low-molecular-weight polyolefin polymer synthesized by using a metallocene catalyst, and a material compatible with the dispersed material dispersedly contained in the sealant layer of the sealing member is dispersedly contained in at least the sealing area of the container.