US Patent 7901467 Process for treatment of metal surfaces
Patent 7901467 was granted and assigned to Bayer MaterialScience on March, 2011 by the United States Patent and Trademark Office.
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Patent abstract
A process for treating the working surfaces of equipment used in the production and processing of polycarbonate is disclosed. The thermal treatment in an oxidative atmosphere results in resin and molded articles having improved optical quality.
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Patent Inventor Names
Alexander Karbach0
Alexander Meyer0
Bert Ruytinx0
Delef Michalski-Vollmer0
Rainer Mellis0
Wolfgang Ebert0
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US Patent 07901467 Process for treatment of metal surfaces US Patent 7901467 Process for treatment of metal surfaces
Infobox
Patent Number
079014670
Patent Number
79014670
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Official Website
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
079014670
Date of Patent
March 8, 2011
0Patent Application Number
119775980
Date Filed
October 25, 2007
0Official Website
Patent Primary Examiner
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US Patent 07901467 Process for treatment of metal surfaces
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07901467
Date of patent
March 8, 2011
Patent application number
11977598
Date Filed
October 25, 2007
Patent primary examiner
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