US Patent 7321047 Separation of tetrahydrocannabinols
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Patent abstract
An individual tetrahydrocannabinol isomer of interest is separated from a mixture containing two or more such isomers, by treating the mixture with an isocyanate or isothiocyanate of formula I:R—(CH2)n—N═C═X (I)where R represents an aromatic ring optionally substituted with one or more electron withdrawing groups, n=0 or 1 and X is oxygen or sulphur; so as to produce a crystallizable THC carbamate of formula II:
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US Patent 07321047 Separation of tetrahydrocannabinols US Patent 7321047 Separation of tetrahydrocannabinols
Infobox
Patent Number
0732104700
Patent Number
732104700
Edits on 28 Apr, 2023
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
073210470
Date of Patent
January 22, 2008
0Patent Application Number
111322510
Date Filed
May 19, 2005
0Official Website
Patent Primary Examiner
Edits on 27 Sep, 2022
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Infobox
Is a
Patent Jurisdiction
Patent Number
073210470
Date of Patent
January 22, 2008
0Patent Application Number
111322510
Date Filed
May 19, 2005
0Official Website
Patent Primary Examiner
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US Patent 07321047 Separation of tetrahydrocannabinols
Infobox
Is a
Patent jurisdiction
Patent number
07321047
Date of patent
January 22, 2008
Patent application number
11132251
Date Filed
May 19, 2005
Patent primary examiner
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