US Patent 7226984 Binder for electrostatic image developing toner

Patent 7226984 was granted and assigned to Sanyo Chemical Industries on June, 2007 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Sanyo Chemical Industries

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

72269840

Patent Inventor Names

Masakazu Iwata0

Date of Patent

June 5, 2007

Patent Application Number

105125910

Date Filed

April 25, 2003

Patent Primary Examiner

‌

Kriellion Sanders

Patent abstract

Provided is a binder for an electrostatic image developing toner using a polyester resin in which at least a part of a carboxylic acid component (a) and/or an alcohol component (b) comprises a carboxy-modified polyolefin or a hydroxyl-terminated polyalkadiene that may be hydrogenated containing an aliphatic hydrocarbon group (x) having a carbon number of 100 to 1,000. The binder is excellent in environmental stability and does not generate a peculiar odor around a copier or a printer when the binder is used in a toner, and a toner using the binder.