Patent classifications
B01J20/28085
CHROMATOGRAPHIC MATERIAL AND METHODS FOR THE SYNTHESIS THEREOF
A particulate material for chromatographic use comprising silica particles is provided having a skeleton structure containing silsesquioxane cage moieties. The material is useful as a chromatographic material, for example in HPLC. The silica particles may be hybrid organo-silica particles wherein the silsesquioxane moieties comprise a cage structure having silicon atoms positioned at corners of the cage wherein one or more silicon atoms positioned at the corners of the cage carry an organic group. A preferred method of preparing the particulate material comprises hydrolysing a silsesquioxane as a co-component of a hydrolysis mixture, especially in a Stber or modified Stber process.
SYSTEMS AND METHODS FOR MAKING ETHANOL PRODUCTS
A method for producing an ethanol product includes obtaining a condensed distillate including ethanol at a concentration greater than 30% by volume and contacting the condensed distillate with an adsorbent polymer resin. The adsorbent polymer resin includes a polystyrene divinylbenzene copolymer. A surface of the adsorbent polymer resin is hydrophobic.
Another method for producing a purified ethanol product includes obtaining a vapor phase distillate including ethanol at a concentration greater than 30% by volume, contacting the vapor phase distillate with an adsorbent polymer resin, and condensing the vapor phase distillate to produce the purified ethanol product. The adsorbent polymer resin includes a polystyrene divinylbenzene copolymer. A surface of the adsorbent polymer resin is hydrophobic.
VAPORIZABLE SUBSTANCE STORAGE DEVICE
A device for storing oil or another vaporizable substance can include a porous body adapted to absorb a volume of liquid and to retain the volume of liquid for vaporization. A porous body can include a matrix of pores adapted to take up and retain oil by capillary action. A method of vaporizing oil can include storing the oil in a porous body and heating the body.
Multilayer polymeric membrane
Provided is a novel continuous single-step method of manufacturing a multilayer sorbent polymeric membrane having superior productivity, properties and performance. At least one layer of the polymeric membrane comprises sorbent materials and a plurality of interconnecting pores. The method includes: (a) coextruding layer-forming compositions to form a multilayer coextrudate; (b) casting the coextrudate into a film; (c) extracting the film with an extractant; and (d) removing the extractant from the extracted film to form the multilayer sorbent polymeric membrane. The sorbent membrane of this disclosure can find a wide range of applications for use in filtration, separation and purification of gases and fluids, CO.sub.2 and volatile capture, structural support, vehicle emission control, energy harvesting and storage, electrolyte batteries, device, protection, permeation, packaging, printing, and etc.
METAL ORGANIC FRAMEWORKS AND METHODS OF MAKING AND USING SAME
Metal Organic Framework (MOF) materials and methods of making MOF materials. The methods include grinding of mixtures of metal hydroxide(s) and ligand(s). The MOF materials may have at least two different ligands. The MOF materials may have open metal sites. The MOF materials can be used in gas storage applications.
CHROMATOGRAPHIC MATERIALS
In one aspect, the present invention provides a chromatographic stationary phase material for various different modes of chromatography represented by Formula 1: [X](W).sub.a(Q).sub.b(T).sub.c (Formula 1). X can be a high purity chromatographic core composition having a surface comprising a silica core material, metal oxide core material, an inorganic-organic hybrid material or a group of block copolymers thereof. W can be absent and/or can include hydrogen and/or can include a hydroxyl on the surface of X. Q can be a functional group that minimizes retention variation over time (drift) under chromatographic conditions utilizing low water concentrations. T can include one or more hydrophilic, polar, ionizable, and/or charged functional groups that chromatographically interact with the analyte. Additionally, b and c can be positive numbers, with the ratio 0.05(b/c)100, and a0.
Composite Material, Gas Adsorbent, and Method for Producing Composite Material
A composite material containing a porous body having pores inside the porous body and a porous coordination polymer compound (PCP), in which the porous body has a network structure of SiO bonds obtained by copolymerizing a dialkoxysilane and a trialkoxysilane, and the porous coordination polymer compound is carried in the pores of the porous body. Also, a method for producing a composite material containing a porous body having pores inside the porous body and a porous coordination polymer compound, in which the porous body has a network structure of SiO bonds obtained by copolymerizing a dialkoxysilane and a trialkoxysilane, and the porous coordination polymer compound is carried in the pores of the porous body via a solvent.
METHOD FOR PREPARING HIGH-PURITY CANNABIDIOL
A method for preparing high-purity cannabidiol is characterized in that: the leaves of cannabis and top portions of the plant which account for about one-fifth of the whole plant are used as extraction sites; a technology of combined macroporous adsorption resin chromatography and polyamide chromatography is used for purification; and a mixed solvent system is used for crystallization purification so as to ensure that the yield is improved to the maximum extent under the premise of obtaining a high-purity product. The product obtained from this method contains high-purity CBD; the method has a high yield and is a simple process, and thus easy to industrialize.
Chromatography medium
The present invention provides a chromatography medium comprising one or more electrospun polymer nanofibers which in use form a stationary phase comprising a plurality of pores through which a mobile phase can permeate and use of the same.
USE OF A HEMOCOMPATIBLE POROUS POLYMER BEAD SORBENT FOR REMOVAL OF ENDOTOXEMIA-INDUCING MOLECULES
The invention concerns biocompatible polymer systems comprising at least one polymer with a plurality of pores, said polymer comprising either polyol or zwitterionic groups designed to adsorb endotoxins and other inflammatory mediator molecules. The inventions are in the field of porous polymeric sorbents, also in the field of broadly reducing endotoxins in blood and blood products that can cause endotoxemia, additionally, in the field of broadly removing endotoxins by perfusion or hemoperfusion.