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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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Patent
Patent

Patent attributes

Current Assignee
Nalco (company)
Nalco (company)
Patent Jurisdiction
United States Patent and Trademark Office
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.

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