US Patent 7658874 Polymer pelletization process and apparatus
Patent 7658874 was granted and assigned to E.I. Du Pont De Nemours And Company on February, 2010 by the United States Patent and Trademark Office.
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Patent abstract
An improved process for the pelletization of polymers is disclosed, using a die in which the die holes incorporate a reverse taper along at least a portion of the length thereof. Conditions for operation of an under melt cutter incorporating this die are also disclosed.
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Patent Inventor Names
Dennis Jack Royer0
Marion G. Waggoner0
Richard Alan Jackson0
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US Patent 07658874 Polymer pelletization process and apparatus US Patent 7658874 Polymer pelletization process and apparatus
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Patent Number
076588740
Patent Number
76588740
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Official Website
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
076588740
Date of Patent
February 9, 2010
0Patent Application Number
108948070
Date Filed
July 20, 2004
0Official Website
Patent Primary Examiner
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US Patent 07658874 Polymer pelletization process and apparatus
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07658874
Date of patent
February 9, 2010
Patent application number
10894807
Date Filed
July 20, 2004
Patent primary examiner
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