Patent application number | Description | Published |
20100112664 | METHOD OF MAKING MACROPOROUS CATION EXCHANGE RESINS - Methods of making macroporous cation exchange resins are described. The macroporous cation exchange resins are in the form of particles such as beads that contain a hydrophilic, crosslinked, (meth)acrylic-type polymeric material. Additionally, methods of purifying a positively charged material using the macroporous cation exchange resins, methods of making chromatographic columns that contain the macroporous cation exchange resins, methods of making filter elements that contain the macroporous cation exchange resins, and methods of making porous composite materials that contain the macroporous cation exchange resins are described. | 05-06-2010 |
20100116739 | METHOD OF MAKING MACROPOROUS CATION EXCHANGE RESINS - Methods of making macroporous cation exchange resins are described. The macroporous cation exchange resins are in the form of particles such as beads that contain a hydrophilic, crosslinked, (meth)acrylic-type polymeric material. The macroporous cation exchange resins are prepared using an inverse suspension polymerization process in the presence of a water soluble, organic, aliphatic porogen having at least three hydroxy groups. | 05-13-2010 |
20100116748 | METHOD OF MAKING MACROPOROUS ANION EXCHANGE RESINS - Methods of making macroporous anion exchange resins are described. The macroporous anion exchange resins are in the form of particles such as beads that contain a hydrophilic, crosslinked, (meth)acrylic-type polymeric material. Additionally, methods of purifying a negatively charged material using the macroporous anion exchange resins, methods of making chromatographic columns that contain the macroporous anion exchange resins, methods of making filter elements that contain the macroporous anion exchange resins, and methods of making porous composite materials that contain the macroporous anion exchange resins are described. | 05-13-2010 |
20110201078 | LIGAND FUNCTIONALIZED POLYMERS - Ligand functionalized substrates, methods of making ligand functionalized substrates, and methods of using functionalized substrates are disclosed. | 08-18-2011 |
20110217752 | LIGAND FUNCTIONALIZED POLYMERS - Ligand functionalized substrates, methods of making ligand functionalized substrates, and methods of using functionalized substrates are disclosed. | 09-08-2011 |
20120039920 | HYDROPHOBIC MONOMERS, HYDROPHOBICALLY-DERIVATIZED SUPPORTS, AND METHODS OF MAKING AND USING THE SAME - A composition is disclosed comprising a hydrophobic monomer having the structure: CH | 02-16-2012 |
20120252091 | LIGAND FUNCTIONAL SUBSTRATES - A substrate comprising a crosslinked polymer primer layer, and grafted thereto a ligand-functionalized polymer is provided. The grafted polymer has the requisite affinity for binding neutral or negatively charged biomaterials, such as cells, cell debris, bacteria, spores, viruses, nucleic acids, and proteins, at pH's near or below the pI's of the biomaterials. | 10-04-2012 |
20130090397 | SEMI-INTERPENETRATING POLYMER NETWORK - Semi-interpenetrating polymeric networks are described. More specifically, the semi-interpenetrating polymeric networks include at least two polymers that are closely associated. The first polymer is an ionic polymer that is not crosslinked. The second polymer is a cross-linked polymer that can be either another ionic polymer or a non-ionic polymer. Methods of making the semi-interpenetrating polymeric networks, articles containing the semi-interpenetrating polymeric networks, and methods of using the semi-interpenetrating polymeric networks are also described. The semi-interpenetrating polymeric networks can function as ion exchange resins. | 04-11-2013 |
20130217032 | LIGAND FUNCTIONALIZED POLYMERS - Ligand functionalized substrates, methods of making ligand functionalized substrates, and methods of using functionalized substrates are disclosed. | 08-22-2013 |
20130224825 | LIGAND FUNCTIONALIZED POLYMERS - Ligand functionalized substrates, methods of making ligand functionalized substrates, and methods of using functionalized substrates are disclosed. | 08-29-2013 |
20140193875 | POROUS POLYMERIC RESINS - Porous polymeric resins, reaction mixtures and methods that can be used to prepare the porous polymeric resins, and uses of the porous polymeric resin are described. More specifically, the polymeric resins typically have a hierarchical porous structure plus reactive groups that can be used to interact with or react with a variety of different target compounds. The reactive groups can be selected from an acidic group or a salt thereof, an amino group or salt thereof, a hydroxyl group, an azlactone group, a glycidyl group, or a combination thereof. | 07-10-2014 |
Patent application number | Description | Published |
20100029927 | REGIOSELECTIVELY SUBSTITUTED CELLULOSE ESTERS PRODUCED IN A CARBOXYLATED IONIC LIQUID PROCESS AND PRODUCTS PRODUCED THEREFROM - This invention relates to novel compositions comprising regioselectively substituted cellulose esters. One aspect of the invention relates to processes for preparing regioselectively substituted cellulose esters from cellulose dissolved in ionic liquids. Another aspect of the invention relates to the utility of regioselectively substituted cellulose esters in applications such as protective and compensation films for liquid crystalline displays. | 02-04-2010 |
20120095207 | CELLULOSE ESTERS AND THEIR PRODUCTION IN CARBOXYLATED IONIC LIQUIDS - Ionic liquids and cellulose ester compositions and processes and apparatus for producing ionic liquids and cellulose esters. Cellulose esters can be produced by dissolving cellulose in carboxylated ionic liquids and thereafter contacting the cellulose solution with at least one acylating reagent. Cellulose esters produced via the present invention can comprise ester groups that originate from the carboxylated ionic liquid and/or the acylating reagent. | 04-19-2012 |
20120101269 | REGIOSELECTIVELY SUBSTITUTED CELLULOSE ESTERS PRODUCED IN A CARBOXYLATED IONIC LIQUID PROCESS AND PRODUCTS PRODUCED THEREFROM - This invention relates to novel compositions comprising regioselectively substituted cellulose esters. One aspect of the invention relates to processes for preparing regioselectively substituted cellulose esters from cellulose dissolved in ionic liquids. Another aspect of the invention relates to the utility of regioselectively substituted cellulose esters in applications such as protective and compensation films for liquid crystalline displays. | 04-26-2012 |
20120142910 | CELLULOSE ESTERS AND THEIR PRODUCTION IN CARBOXYLATED IONIC LIQUIDS - Ionic liquids and cellulose ester compositions and processes and apparatus for producing ionic liquids and cellulose esters. Cellulose esters can be produced by dissolving cellulose in carboxylated ionic liquids and thereafter contacting the cellulose solution with at least one acylating reagent. Cellulose esters produced via the present invention can comprise ester groups that originate from the carboxylated ionic liquid and/or the acylating reagent. | 06-07-2012 |
20120330069 | PRODUCTION OF HYDROXY ETHER HYDROCARBONS BY LIQUID PHASE HYDROGENOLYSIS OF CYCLIC ACETALS OR CYCLIC KETALS - A liquid phase hydrogenolysis of acetal compounds such as cyclic acetals and cyclic ketals are fed to a reaction zone and reacted in the presence of a noble metal catalyst supported on a carbon or silica support to make hydroxy ether mono-hydrocarbons in high selectivity, without the necessity to use acidic co-catalysts such as phosphorus containing acids or stabilizers such as hydroquinone. | 12-27-2012 |
20130225873 | Promoted Ruthenium Catalyzed Conversion of Syngas to Alcohols - This invention concerns a promoted catalyst system for making one or more alkanols from synthesis gas. The catalyst system contains a ruthenium compound and a halogen promoter dispersed in a low-melting tetraorganophosphonium salt. The halogen promoter is a compound capable of generating HX (where X═Cl, Br, or I) under reaction conditions. The invention also concerns a process for selectively preparing one or more alkanols from synthesis gas using the promoted catalyst system. | 08-29-2013 |
20130261328 | HYDROCARBOXYLATION OF FORMALDEHYDE IN THE PRESENCE OF A HIGHER ORDER CARBOXYLIC ACID AND A HOMOGENEOUS CATALYST - Disclosed is a process for the production and purification of glycolic acid or glycolic acid derivatives by the carbonylation of formaldehyde in the presence of a homogeneous acid catalyst and a carboxylic acid. This invention discloses hydrocarboxylations and corresponding homogeneous acid catalyst and glycolic acid separations. The homogeneous acid catalyst is readily separated from the hydrocarboxylation reaction effluent and recycled and the carboxylic acid is readily removed from the glycolic acid and the carboxylic acid is recycled. | 10-03-2013 |
20130261329 | HYDROCARBOXYLATION OF METHYLENE DIPROPIONATE IN THE PRESENCE OF A PROPIONIC ACID AND A HOMOGENEOUS CATALYST - Disclosed is a process for the production and purification of glycolic acid or glycolic acid derivatives by the carbonylation of methylene dipropionate in the presence of a homogeneous acid catalyst and propionic acid. This invention discloses hydrocarboxylations and corresponding homogeneous acid catalyst and glycolic acid separations. The homogeneous acid catalyst is readily separated from the hydrocarboxylation reaction effluent and recycled and the propionic acid is readily removed from the glycolic acid and the propionic acid is recycled | 10-03-2013 |
20130261333 | HYDROCARBOXYLATION OF FORMALDEHYDE IN THE PRESENCE OF A HIGHER ORDER CARBOXYLIC ACID AND HETEROGENEOUS CATALYST - Disclosed is a process for the production and purification of glycolic acid or glycolic acid derivatives by the carbonylation of formaldehyde in the presence of a solid acid catalyst and a carboxylic acid. This invention discloses hydrocarboxylations and corresponding glycolic acid separations wherein the glycolic acid stream is readily removed from the carboxylic acid and the carboxylic acid is recycled. | 10-03-2013 |
20130261337 | HYDROCARBOXYLATION OF METHYLENE DIPROPIONATE IN THE PRESENCE OF PROPIONIC ACID AND A HETEROGENEOUS CATALYST - Disclosed is a process for the production and purification of glycolic acid or glycolic acid derivatives by the carbonylation of methylene dipropionate in the presence of a solid acid catalyst and propionic acid. This invention discloses hydrocarboxylations and corresponding glycolic acid separations wherein the propionic acid stream is readily removed from the glycolic acid and the propionic acid is recycled. | 10-03-2013 |
20130331605 | HYDROCARBOXYLATION OF AQUEOUS FORMALDEHYDE USING A DEHYDRATING RECYCLE STREAM TO DECREASE WATER CONCENTRATION - Disclosed is a process for the production and purification of glycolic acid or glycolic acid derivatives by the carbonylation of aqueous formaldehyde. The water in the hydrocarboxylation zone is reduced via reaction with the ester bonds in a recycle stream comprising glycolic acid oligomers and/or methyl glycolate oligomers. | 12-12-2013 |
20140243435 | Production of Methanol and Ethanol from CO or CO2 - This invention relates to a process for making methanol and ethanol from carbon dioxide and hydrogen. The process includes contacting a mixture of carbon dioxide and hydrogen with a catalyst system containing a ruthenium compound—and optionally, a chloride or bromide-containing compound—dispersed in a low-melting tetraorganophosphonium chloride or bromide salt under conditions effective to produce methanol and ethanol. The invention also relates to a process for making methanol and ethanol from carbon monoxide and water using the same catalyst system. | 08-28-2014 |