US Patent 7615650 Process for producing chroman compound
Patent 7615650 was granted and assigned to Mitsubishi Gas Chemical Company on November, 2009 by the United States Patent and Trademark Office.
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Patent abstract
The invention provides a process for producing a chroman compound represented by formula (1), characterized in that the process includes allowing a phenol, an unsaturated compound, and a formaldehyde to react in the absence of catalyst and in the presence of water in an amount by mole 1 to 10 times that of the phenol.
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US Patent 07615650 Process for producing chroman compound US Patent 7615650 Process for producing chroman compound
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Patent Number
0761565012
Patent Number
761565012
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Official Website
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
076156501
Date of Patent
November 10, 2009
1Patent Application Number
105875451
Date Filed
January 28, 2005
1Official Website
Patent Primary Examiner
Edits on 27 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
076156501
Date of Patent
November 10, 2009
1Patent Application Number
105875451
Date Filed
January 28, 2005
1Official Website
Patent Primary Examiner
Edits on 18 Jun, 2022
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Website URL
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US Patent 07615650 Process for producing chroman compound
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07615650
Date of patent
November 10, 2009
Patent application number
10587545
Date Filed
January 28, 2005
Patent primary examiner
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