| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 502007000 | BIOSPECIFIC MATERIAL, OR PRODUCED BY ENZYME OR MICROORGANISM | 14 |
| 20110124488 | Biotemplated inorganic materials - A method of making a metal oxide nanoparticle comprising contacting an aqueous solution of a metal salt with an oxidant. The method is safe, environmentally benign, and uses readily available precursors. The size of the nanoparticles, which can be as small as 1 nm or smaller, can be controlled by selecting appropriate conditions. The method is compatible with biologically derived scaffolds, such as virus particles chosen to bind a desired material. The resulting nanoparticles can be porous and provide advantageous properties as a catalyst. | 05-26-2011 |
| 20120231946 | METHOD FOR THINNING AGGREGATE OF WATER-ABSORBENT MATERIAL AND THIN AGGREGATE OF WATER-ABSORBENT MATERIAL OBTAINED USING THE METHOD - A method for thinning an aggregate of water-absorbent materials. An aggregate of water-absorbent materials includes hydrophilic fibers and superabsorbent polymer particles and has a thickness direction. Steam at a temperature corresponding to water's boiling point or higher is ejected to the aggregate while the aggregate is compressed in the thickness direction. | 09-13-2012 |
| 20120238441 | Size-selective hemocompatible polymer system - A size-selective hemocompatible porous polymeric adsorbent system is provided, the polymer system comprises at least one crosslinking agent and at least one dispersing agent, and the polymer has a plurality of pores with diameters in the range from about 17 to about 40,000 Angstroms | 09-20-2012 |
| 20120245020 | ABSORBENT ARTICLES AS CARBON SINKS - An absorbent article such as, for example, a diaper, a sanitary napkin, a panty liner or a male or female incontinence article. The article includes inorganic material. The inorganic material includes carbon which is derived from atmospheric carbon dioxide. Methods for making the absorbent articles are also provided. | 09-27-2012 |
| 20120258851 | WATER-ABSORBABLE POLYACRYLIC ACID RESIN POWDER, AND PROCESS FOR PRODUCTION THEREOF - A process according to the present invention for production of water-absorbable polyacrylic acid resin powder, including: (a) polymerizing an acrylic acid-based monomer aqueous solution containing bubbles, and (b) drying a hydrogel crosslinked polymer thus obtained in the step of polymerizing, further includes (c) lowering solubility of dissolved gas in a monomer aqueous solution in the presence of a surfactant and/or a dispersing agent, so as to generate the bubbles in the acrylic acid-based monomer aqueous solution. With this arrangement, it is possible to provide white water-absorbable resin with better water absorbing rate, keeping or without significantly losing the other properties (permeability potential, bulk specific gravity, surface tension, absorbency against pressure, impact resistance, etc.) | 10-11-2012 |
| 20130017945 | Process for Producing Water-Absorbing Polymer Particles with High Free Swell Rate - A process for producing water-absorbing polymer particles with high free swell rate by polymerizing a monomer solution or suspension comprising an ethylenically unsaturated monomer bearing acid groups, a crosslinker, an initiator and an ethylenically unsaturated ionic surfactant. | 01-17-2013 |
| 20130123095 | ORALLY ADMINISTERED ADSORBENT, METHOD OF PRODUCING THE SAME, AND DRUG PRODUCED BY USING THE SAME - An orally administered adsorbent which has a high ability of adsorbing indoxylsulfuric acid, indoleacetic acid, and indole, a method permitting easy and advantageous production of the same, and a drug using the same. The orally administered adsorbent is obtained from spherical particles of activated carbon by carbonizing and activating spherical particles of a furfuryl alcohol resin obtained by resinifying furfuryl alcohol through a self-condensation reaction and curing the resinified furfuryl alcohol. | 05-16-2013 |
| 20130274088 | METHOD FOR PRODUCING WATER-ABSORBENT RESIN - A method for producing a water-absorbent resin by a reversed-phase suspension polymerization method, includes step 1 of dispersing a first aqueous solution containing a partially neutralized product (A) of a water-soluble ethylenically unsaturated monomer having acid groups in the molecule in a petroleum-type hydrocarbon dispersion medium in the presence of a dispersing agent, and then polymerizing the resulting dispersion to obtain a slurry containing primary particles of a polymer, and step 2 of adding a second aqueous solution containing a partially neutralized product (B) of a water-soluble ethylenically unsaturated monomer having acid groups in the molecule to the slurry obtained in step 1, and then polymerizing the mixture to obtain a slurry in which the primary particles are agglomerated. In the method, a molar neutralization degree X of the partially neutralized product (A) is set larger than a molar neutralization degree Y of the partially neutralized product (B), and also a difference between the molar neutralization degree X and the molar neutralization degree Y is set to 5% or more. The dispersing agent usable herein is at least one member among those of a surfactant and a polymer-type dispersing agent. The water-absorbent resin produced by this method suppresses odor originating from a dispersion medium and odor generated with the lapse of time after absorption of a body fluid or the like. | 10-17-2013 |
| 20130316892 | METHOD FOR PRODUCING POLYMER PARTICLES, AND POLYMER PARTICLES - Provided are polymer particles which can be used at a high flow rate when used as a filler for chromatography, that is, has excellent resistance flow rate appropriate for processing in large quantities, and also has a high binding capacity for target molecules such as proteins when an appropriate ligand is contained in the particles, and a method for producing the polymer particles; specifically, crosslinked polymer particles and a method for producing the crosslinked polymer particles, polysaccharide composite particles and a method for producing the polysaccharide composite particles, a filler for chromatography using the polymer particles, and an adsorbent for antibody purification. Disclosed are: A. a method for producing polysaccharide composite particles, the method including the following steps (1) to (3): (1) a step of preparing a polysaccharide solution, in which two or more kinds of polysaccharides are dissolved in an ionic liquid; (2) a step of preparing a droplet dispersion liquid of the polysaccharide solution, in which liquid droplets of the polysaccharide solution are dispersed in an organic solvent having low compatibility with the ionic liquid; and (3) a coagulation step in which a composite of the polysaccharides are coagulated to obtain the polysaccharide composite particles; and B. a method for producing a crosslinked polymer particle, the method including a step of allowing a polymer dissolved in an ionic liquid, to react with a crosslinking agent while the polymer is subjected to droplet dispersion in an organic solvent having low compatibility with the ionic liquid. | 11-28-2013 |
| 20140011666 | POROUS CARBON MATERIAL, ADSORBENT, ORAL ADSORBENT, MEDICAL ADSORBENT, FILLER FOR BLOOD PURIFICATION COLUMN, WATER PURIFICATION ADSORBENT, CLEANSING AGENT, CARRIER, SUSTAINED RELEASE PHARMACEUTICAL, CELL CULTURE SCAFFOLD, MASK, CARBON/POLYMER COMPOSITE, ADSORBENT SHEET AND FUNCTIONAL FOOD - [Object] To provide a porous carbon material that is able to adsorb desired substances efficiently. | 01-09-2014 |
| 20150011376 | Biocompatible Solid-Phase Microextraction Coatings and Methods for their Preparation - A biocompatible coating, such as for a fiber, for solid phase microextraction (SPME) of a small molecule of interest from a matrix, with the coating having an extraction phase including SPME particles having pores dimensioned to absorb the small molecule of interest from the matrix and a biocompatible polymer being a polyacrylonitrile (PAN) or a co-polymer of polyacrylonitrile (PAN) that completely covers the SPME particles and homogeneously distributing the SPME particles therein and having reduced adsorption of proteins or macromolecules onto the SPME particles and allowing the SPME particles to extract the small molecule of interest from the matrix. | 01-08-2015 |
| 20150133286 | Zwitterionic-Bias Material For Blood Cell Selection - The invention provides a zwitterionic-bias material for blood cell selection, being a copolymer formed by zwitterionic structural units and charged structural units wherein the zwitterionic structural unit comprises at least one positively charged moiety and one negatively charged moiety, a distance between the positively charged moiety and the negatively charged moiety is a length of 1˜5 carbon-carbon bonds, and the zwitterionic structural units and charged structural units are randomly arranged to have zwitterionic-bias. | 05-14-2015 |
| 20150352150 | ORALLY ADMINISTERED ADSORBENT, THERAPEUTIC AGENT FOR RENAL DISEASE, AND THERAPEUTIC AGENT FOR LIVER DISEASE - An object of the present invention is to provide surface-modified spherical activated carbon exhibiting excellent adsorption capacity for uremic substances in the body, and particularly -aminoisobutyric acid. | 12-10-2015 |
| 20160129420 | PREPARATION METHOD OF CHROMATOGRAPHY MEDIUM - A method for preparing a chromatography medium having the properties of high virus adsorption and high fluidity, and a method for producing a virus vaccine using the chromatography medium are provided. The chromatography medium is obtained by forming a sulfated polysaccharide bound with porous particles having an exclusion limit molecular weight of 6000 Da or less when pure water is used as mobile phase and standard polyethylene glycol is used and an average particle size in the range of 30-200 μm. | 05-12-2016 |
