US Patent 7479490 Pellet for a presurrized pipeline

Patent 7479490 was granted and assigned to Nalco (company) on January, 2009 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Nalco (company)

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7479490

Date of Patent

January 20, 2009

Patent Application Number

11055206

Date Filed

February 10, 2005

Patent Primary Examiner

‌

Johann R. Richter

Patent abstract

A system of equipment allowing addition of solid materials to a pressurized pipeline wherein said solid material is conveyed in such a way as to be readily dissolved by the liquid in said pipeline. The system includes a solid material transfer device that is used to transfer solid material to the point of intake in a pressurized pipeline, without allowing liquid from the process pipeline to access the solid material in the solid material feeder. The system of equipment has been found to be particularly useful in feeding pellets containing resazurin.