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US Patent 7173078 Process for preparing modified pigments

Patent 7173078 was granted and assigned to Cabot Corporation on February, 2007 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors

Is a

Patent

Patent attributes

Current Assignee

Cabot Corporation

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

71730780

Patent Inventor Names

Melanie G. Lamprey0

Paul S. Palumbo0

John Mathew0

Date of Patent

February 6, 2007

Patent Application Number

101214180

Date Filed

April 12, 2002

Patent Primary Examiner

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Tae H. Yoon

Patent abstract

A process for preparing a modified pigment having attached at least one organic group is described. This process comprises the step of reacting a dried mixture comprising a pigment having attached at least one reactive group and a modifying agent. The dried mixture is reacted under high intensity mixing conditions for a time and temperature sufficient to form the modified pigment.