US Patent 7321054 Method of producing poly(ortho-methylphenol)
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Patent abstract
Poly(ortho-methylphenol) is obtainable at high purities and yields using industrial processes by causing a secondary amine and formaldehyde to react with a polyphenol (first step), and then breaking down the aminomethyl group of the obtained poly(ortho-aminomethyl)phenol by means of hydrogenolysis in the presence of a hydrogenation catalyst (second step).
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US Patent 07321054 Method of producing poly(ortho-methylphenol) US Patent 7321054 Method of producing poly(ortho-methylphenol)
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Patent Number
0732105400
Patent Number
732105400
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Patent Jurisdiction
Patent Number
073210540
Date of Patent
January 22, 2008
0Patent Application Number
116719010
Date Filed
February 6, 2007
0Official Website
Patent Primary Examiner
Edits on 26 Sep, 2022
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Infobox
Is a
Patent Jurisdiction
Patent Number
073210540
Date of Patent
January 22, 2008
0Patent Application Number
116719010
Date Filed
February 6, 2007
0Official Website
Patent Primary Examiner
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US Patent 07321054 Method of producing poly(ortho-methylphenol)
Infobox
Is a
Patent jurisdiction
Patent number
07321054
Date of patent
January 22, 2008
Patent application number
11671901
Date Filed
February 6, 2007
Patent primary examiner
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