US Patent 7695882 Toner formulation for controlling mass flow

Patent 7695882 was granted and assigned to Lexmark International, Inc. on April, 2010 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Current Assignee

Lexmark International, Inc.

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7695882

Patent Inventor Names

Yueping Fu0

Matthew David Heid0

Robert Joseph Firmature0

Scott Moreland Broce0

James Craig Minor0

Karen Eileen Zrebiec0

Lance Tisdale Hoshiko0

Date of Patent

April 13, 2010

Patent Application Number

11670076

Date Filed

February 1, 2007

Patent Primary Examiner

‌

Mark A Chapman

Patent abstract

The present invention relates to controlling the mass flow of toner in an image forming device or a toner cartridge. The toner composition includes extra particulate additives including a conductive additive. The extra particulate additives may also include relatively small silica particles or relatively large silica.