The present invention relates to solid compositions comprising cocrystals of cannabinoids, processes for their preparation, and their use as in therapy or in cosmetics or for the purification of cannabinoids. It also relates to cocrystals of cannabinoids.

The present invention relates to solid compositions comprising cocrystals of cannabinoids, processes for their preparation, and their use as in therapy or in cosmetics or for the purification of cannabinoids. It also relates to cocrystals of cannabinoids.

The present inventions relates to the preparation of 3,3,5-trimethylcyclohexylidene bisphenol. Especially, the present invention relates to the preparation of 3,3,5-trimethylcyclohexylidene bisphenol from 3,3,5-trimethylcyclohexanone and phenol in the presence of a gaseous acidic catalyst. The preparation comprises a first drying step and a second drying step wherein in the second drying step the temperature is increased in comparison to first drying step or in the second drying step the pressure is lowered in comparison to first drying step, or in second drying step both the temperature is increased and the pressure is lowered in comparison to the first drying step (d1).

The present inventions relates to the preparation of 3,3,5-trimethylcyclohexylidene bisphenol. Especially, the present invention relates to the preparation of 3,3,5-trimethylcyclohexylidene bisphenol from 3,3,5-trimethylcyclohexanone and phenol in the presence of a gaseous acidic catalyst. The preparation comprises a first drying step and a second drying step wherein in the second drying step the temperature is increased in comparison to first drying step or in the second drying step the pressure is lowered in comparison to first drying step, or in second drying step both the temperature is increased and the pressure is lowered in comparison to the first drying step (d1).

The present inventions relates to the preparation of 3,3,5-trimethylcyclohexylidene bisphenol. Especially, the present invention relates to the preparation of 3,3,5-trimethylcyclohexylidene bisphenol from 3,3,5-trimethylcyclohexanone and phenol in the presence of a gaseous acidic catalyst. The preparation comprises a first drying step and a second drying step wherein in the second drying step the temperature is increased in comparison to first drying step or in the second drying step the pressure is lowered in comparison to first drying step, or in second drying step both the temperature is increased and the pressure is lowered in comparison to the first drying step (d1).

The present invention provides honokiol crystal forms A, B and C and amorphous form and a preparation method thereof, wherein the preparation method comprises dissolving honokiol in n-heptane and standing at room temperature overnight to obtain the separated crystal as honokiol crystal form A; heating the honokiol crystal form A and cooling to room temperature to obtain a solid as honokiol crystal form B; heating the honokiol crystal form A to the molten state and then standing at quenching temperature to obtain the separated crystal as honokiol crystal form C; and adding the honokiol crystal form A with an antisolvent in DMSO/H.sub.2O system, and thus obtaining the oily matter as honokiol amorphous form. The honokiol crystal forms A, B and C and the amorphous form of the present invention have the advantages of good solubility, good stability, low hygroscopicity, long-term storage and/or good reproducibility, and are suitable for drug development.

The present invention provides honokiol crystal forms A, B and C and amorphous form and a preparation method thereof, wherein the preparation method comprises dissolving honokiol in n-heptane and standing at room temperature overnight to obtain the separated crystal as honokiol crystal form A; heating the honokiol crystal form A and cooling to room temperature to obtain a solid as honokiol crystal form B; heating the honokiol crystal form A to the molten state and then standing at quenching temperature to obtain the separated crystal as honokiol crystal form C; and adding the honokiol crystal form A with an antisolvent in DMSO/H.sub.2O system, and thus obtaining the oily matter as honokiol amorphous form. The honokiol crystal forms A, B and C and the amorphous form of the present invention have the advantages of good solubility, good stability, low hygroscopicity, long-term storage and/or good reproducibility, and are suitable for drug development.

The present invention provides honokiol crystal forms A, B and C and amorphous form and a preparation method thereof, wherein the preparation method comprises dissolving honokiol in n-heptane and standing at room temperature overnight to obtain the separated crystal as honokiol crystal form A; heating the honokiol crystal form A and cooling to room temperature to obtain a solid as honokiol crystal form B; heating the honokiol crystal form A to the molten state and then standing at quenching temperature to obtain the separated crystal as honokiol crystal form C; and adding the honokiol crystal form A with an antisolvent in DMSO/H.sub.2O system, and thus obtaining the oily matter as honokiol amorphous form. The honokiol crystal forms A, B and C and the amorphous form of the present invention have the advantages of good solubility, good stability, low hygroscopicity, long-term storage and/or good reproducibility, and are suitable for drug development.

The present disclosure provides methods for selectively crystallizing cannabinoids from solutions containing a plurality of cannabinoids. The present disclosure further provides methods for separating a crystallized cannabinoid from a mixture of cannabinoids.

The present disclosure provides methods for selectively crystallizing cannabinoids from solutions containing a plurality of cannabinoids. The present disclosure further provides methods for separating a crystallized cannabinoid from a mixture of cannabinoids.