C07C37/74

SEPARATION OF CANNABINOIDS FROM CANNABINOID MIXTURES BY DERIVATIZATION
20220266164 · 2022-08-25 ·

The present disclosure relates to isolating one or more cannabinoids from an input mixture. There is disclosed an apparatus that comprises a first reaction vessel, a volatizing unit, and a distillation unit. The first reaction vessel provides a derivatized input mixture that comprises one or more derivatized cannabinoids. The volatizing unit volatilizes the derivatized input mixture into a derivatized cannabinoid-containing vapor-stream and a residue. The distillation unit receives the derivatized cannabinoid-containing vapor stream and separates a first derivatized cannabinoid within the derivatized cannabinoid-containing vapor stream from at least a second cannabinoid. There is also a method that comprises the steps of derivatizing one or more cannabinoids in an input mixture; volatilizing the derivatized input mixture to provided a derivatized cannabinoid-containing vapor stream; conducting the derivatized cannabinoid-containing vapor stream to distillation unit; and collecting a product that comprises the first derivatized cannabinoid.

SEPARATION OF CANNABINOIDS FROM CANNABINOID MIXTURES BY DERIVATIZATION
20220266164 · 2022-08-25 ·

The present disclosure relates to isolating one or more cannabinoids from an input mixture. There is disclosed an apparatus that comprises a first reaction vessel, a volatizing unit, and a distillation unit. The first reaction vessel provides a derivatized input mixture that comprises one or more derivatized cannabinoids. The volatizing unit volatilizes the derivatized input mixture into a derivatized cannabinoid-containing vapor-stream and a residue. The distillation unit receives the derivatized cannabinoid-containing vapor stream and separates a first derivatized cannabinoid within the derivatized cannabinoid-containing vapor stream from at least a second cannabinoid. There is also a method that comprises the steps of derivatizing one or more cannabinoids in an input mixture; volatilizing the derivatized input mixture to provided a derivatized cannabinoid-containing vapor stream; conducting the derivatized cannabinoid-containing vapor stream to distillation unit; and collecting a product that comprises the first derivatized cannabinoid.

Method and apparatus for decomposing phenolic by-product
11247958 · 2022-02-15 · ·

The present disclosure relates to a method and an apparatus for decomposing a phenolic by-product generated in a bisphenol A preparation process, the method including: a step (S10) of feeding the phenolic by-product to a multistage reactive distillation column; a step (S20) of separating the phenolic by-product into an upper discharge stream containing an active component, a side discharge stream containing acetophenone, and a bottom discharge stream containing tar by the multistage reactive distillation column; and a step (S30) of mixing the side discharge stream discharged from the multistage reactive distillation column and the bottom discharge stream discharged from the multistage reactive distillation column to form a mixed discharge stream.

Method and apparatus for decomposing phenolic by-product
11247958 · 2022-02-15 · ·

The present disclosure relates to a method and an apparatus for decomposing a phenolic by-product generated in a bisphenol A preparation process, the method including: a step (S10) of feeding the phenolic by-product to a multistage reactive distillation column; a step (S20) of separating the phenolic by-product into an upper discharge stream containing an active component, a side discharge stream containing acetophenone, and a bottom discharge stream containing tar by the multistage reactive distillation column; and a step (S30) of mixing the side discharge stream discharged from the multistage reactive distillation column and the bottom discharge stream discharged from the multistage reactive distillation column to form a mixed discharge stream.

CONTINUOUS VACUUM FRACTIONATION SYSTEM FOR SEPARATION OF VARIABLE CANNABIS EXTRACTS
20210402320 · 2021-12-30 ·

A continuous vacuum fractionation system for separation of one or more of the plurality of components present in a raw cannabis extract into at least an overhead fraction, a bottoms fraction, and a side stream fraction, wherein the raw cannabis extract may be prepared by any of a variety of extraction techniques. The system includes an extract supply assembly having a primary feed pump, and one or more continuous fractionation units each including a modular fractionation column. Each column has a re-boiler, a close-coupled overhead condenser, and at least one modular fractionation stage, and further, the columns are operable in either series or parallel configurations. The close-coupled overhead condenser has an oversized impingement plate overlying a condenser inlet to minimize non-vapor components from entering and contacting the condenser. A vacuum assembly is provided to maintain at least the modular fractionation columns under a predetermined vacuum during operation.

CONTINUOUS VACUUM FRACTIONATION SYSTEM FOR SEPARATION OF VARIABLE CANNABIS EXTRACTS
20210402320 · 2021-12-30 ·

A continuous vacuum fractionation system for separation of one or more of the plurality of components present in a raw cannabis extract into at least an overhead fraction, a bottoms fraction, and a side stream fraction, wherein the raw cannabis extract may be prepared by any of a variety of extraction techniques. The system includes an extract supply assembly having a primary feed pump, and one or more continuous fractionation units each including a modular fractionation column. Each column has a re-boiler, a close-coupled overhead condenser, and at least one modular fractionation stage, and further, the columns are operable in either series or parallel configurations. The close-coupled overhead condenser has an oversized impingement plate overlying a condenser inlet to minimize non-vapor components from entering and contacting the condenser. A vacuum assembly is provided to maintain at least the modular fractionation columns under a predetermined vacuum during operation.

PROCESS FOR GENERATING HEMP OIL WITH A HIGH CANNABIDIOL (CBD) CONTENT
20210395176 · 2021-12-23 ·

A method for producing hemp oil, comprising decarboxylation of CBDA in hemp oil; short-path evaporation of CBD from the decarboxylated hemp oil to produce CBD oil; selective THC to CBN conversion performed on the decarboxylated hemp oil.

PROCESS FOR GENERATING HEMP OIL WITH A HIGH CANNABIDIOL (CBD) CONTENT
20210395176 · 2021-12-23 ·

A method for producing hemp oil, comprising decarboxylation of CBDA in hemp oil; short-path evaporation of CBD from the decarboxylated hemp oil to produce CBD oil; selective THC to CBN conversion performed on the decarboxylated hemp oil.

METHOD FOR PRODUCING A HYDROXY COMPOUND BY DECARBOXYLATION IN THE ABSENCE OF A CATALYST
20210395177 · 2021-12-23 ·

The invention relates to a method for producing a specific hydroxyl compound by decarboxylating a specific carboxylic acid compound or a salt of said carboxylic acid compound in the absence of a catalyst and to a method for producing a bisphenol.

METHOD FOR PRODUCING A HYDROXY COMPOUND BY DECARBOXYLATION IN THE ABSENCE OF A CATALYST
20210395177 · 2021-12-23 ·

The invention relates to a method for producing a specific hydroxyl compound by decarboxylating a specific carboxylic acid compound or a salt of said carboxylic acid compound in the absence of a catalyst and to a method for producing a bisphenol.