Patents Assigned to Nano Co., Ltd.
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Patent number: 11752492Abstract: Proposed inventions are a recipe of denitrification-oxidation complex catalyst containing an SCR catalyst and an oxidation catalyst to simultaneously remove nitrogen oxides, carbon monoxide, hydrocarbons, and ammonia, a manufacturing method thereof, an exhaust gas treatment method using the denitrification-oxidation complex catalyst, and an SCR denitrification system including the denitrification-oxidation complex catalyst. The denitrification-oxidation complex catalyst simultaneously removes nitrogen oxides, carbon monoxide, hydrocarbons, and ammonia and exhibits an increased catalytic effect compared to the cases where the denitrification catalyst used alone and the denitrification and the oxidation catalyst ratios are and not properly balanced. When the denitrification-oxidation complex catalyst is applied to an SCR denitrification system, the structure is simplified, space is saved, cost is reduced, and catalyst maintenance is easy.Type: GrantFiled: May 19, 2022Date of Patent: September 12, 2023Assignee: NANO CO., LTDInventors: Paul Worn Park, Dong-Woo Shin, Bekelcha Tesfaye
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Patent number: 11576976Abstract: The present invention is related to a method for treating cancer by using siRNA nanocomplex consisting of a nucleic acid molecule, a monocationic drug and a biocompatible polymer surfactant. The present nanocomplex can deliver an active ingredient (for example, a nucleic acid molecule and monocationic drug) into a cell/tissue of interest in a stable manner, and may be effectively applied for treating or detecting diverse disorders (practically, cancers).Type: GrantFiled: November 21, 2018Date of Patent: February 14, 2023Assignee: D. R. NANO CO., LTD.Inventors: Sehoon Kim, Ick Chan Kwon, Eunjung Lee
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Patent number: 11116842Abstract: The present invention relates to complex particles using methylene blue for treating a skin disease caused by Propionibacterium acnes or Staphylococcus aureus and a composition for treatment including the complex particles. The complex particles in the present invention can be used as a photosensitizer for a photodynamic therapy and complex particles having a micelle form in which hydrophilic methylene blue and two hydrophobic organic acids are combined, and as a result, pore penetration is easy and an occlusion time can be significantly reduced to 30 minutes as compared with conventional phototherapy requiring an occlusion time of 1 hour to 3 hours.Type: GrantFiled: September 6, 2017Date of Patent: September 14, 2021Assignee: D. R. NANO CO., LTD.Inventor: Yong-Deok Lee
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Patent number: 10695300Abstract: There is provided a wound dressing prepared with a hydrocolloid gel, a polyurethane film, a PVA hydrogel, an alginate gel or the like, which has excellent stretchability and exudation absorbency of the wound surface for protection and prevention of infection on the wound surface in which continuity of a body tissue is destroyed by a physical impact or the like, can maintain a wet environment suitable for promoting healing of the wound surface, and has no pain or no worry to damage regenerated skin when the wound dressing is exchanged.Type: GrantFiled: October 23, 2018Date of Patent: June 30, 2020Assignee: D.R. NANO Co., Ltd.Inventor: Yong Deok Lee
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Patent number: 10500289Abstract: The present invention discloses a method for diagnosing and detecting cancer by bioimaging using methylene blue nanoparticle as a contrasting agent. The methylene blue nanoparticle of the present invention for use as a topical cancer targeting phototherapeutic agent is composed of only a material of which the composition is clinically used or derived from human bodies, and thus a nanopreparation in which a barrier to clinical entry is low and the possibility of commercialization is very high, exhibits near-infrared fluorescence along with cancer targeting property, a capacity of generating a singlet oxygen and the like. Therefore, the methylene blue nanoparticle in the present invention is able to detect cancerous cells by emitting visible light in irradiation conditions.Type: GrantFiled: August 22, 2018Date of Patent: December 10, 2019Assignee: D. R. NANO CO., LTD.Inventors: Sehoon Kim, Ick Chan Kwon, Sangyoup Lee
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Patent number: 10335488Abstract: The present invention discloses a method for treating cancer disease by photodynamic therapy. The photodynamic therapy in the present invention uses a methylene blue nanoparticle as a therapeutic agent. The methylene blue nanoparticle of the present invention for use as a topical cancer targeting phototherapeutic agent is composed of only a material of which the composition is clinically used or derived from human bodies, and thus a nanopreparation in which a barrier to clinical entry is low and the possibility of commercialization is very high, exhibits near-infrared fluorescence along with cancer targeting property, capacity of generating a singlet oxygen and the like. Therefore, the methylene blue nanoparticle in the present invention is able to cure cancer cells by cell apoptosis in irradiation conditions.Type: GrantFiled: August 22, 2018Date of Patent: July 2, 2019Assignee: D. R. NANO CO., LTD.Inventors: Sehoon Kim, Ick Chan Kwon, Sangyoup Lee
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Patent number: 10172879Abstract: The present invention relates to a nanocomplex, and a pharmaceutical composition, a drug delivery system and a drug delivery method using the same. The present nanocomplex consists of a nucleic acid molecule, a monocationic drug and a biocompatible polymer surfactant, and not only has a hydrodynamic size of 10 nm or less, but uniformly distributes as a colloidal form in an aqueous environment. In addition, the nanoscale colloidal formulation of the present invention could protect the nucleic acid molecule from a nuclease (for example, serum nucleases) rich in a physiological environment through the formulation of a stable monocomplex, and provide improvement of cell penetration and in vivo delivery via a micellar structure as well as further protection of the nucleic acid molecule by a micellar passivation.Type: GrantFiled: January 20, 2016Date of Patent: January 8, 2019Assignee: D.R.NANO CO., LTDInventors: Sehoon Kim, Ick Chan Kwon, Eunjung Lee
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Patent number: 10086075Abstract: The present invention relates to a methylene blue nanoparticle for bioimaging and photodynamic therapy, and a use thereof as a cancer therapeutic agent and a contrast agent. The methylene blue nanoparticle of the present invention for use as a topical cancer targeting photo therapeutic agent is composed of only a material of which the composition is clinically used or derived from human bodies, and thus a nanopreparation in which a barrier to clinical entry is low and the possibility of commercialization is very high, exhibits near-infrared fluorescence along with cancer targeting property, capacity of generating singlet oxygen and the like, and thus may be used for both bioimaging diagnosis such as optical imaging, and cancer targeting photodynamic therapy.Type: GrantFiled: March 25, 2015Date of Patent: October 2, 2018Assignee: D.R.NANO CO., LTD.Inventors: Sehoon Kim, Ick Chan Kwon, Sangyoup Lee
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Patent number: 10016365Abstract: The present invention is directed to a method for treating cancer intraperitoneally in a subject. The method comprises administering to said subject in need thereof an anti-cancer agent encapsulated in nanoparticles wherein nanoparticles are characterized to slowly release anti-cancer agent in a timely fashion that allows efficient killing of tumor cells. The nanoparticles described herein are characterized to slowly release anti-cancer agent at a rate of 30% or less per 24 hours based on in vitro drug dissolution study.Type: GrantFiled: February 12, 2016Date of Patent: July 10, 2018Assignees: OP NANO CO., LTD., TRENDMED CO., LTD.Inventors: Chi-Mu Chuang, Chi-Tai Chang
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Patent number: 6306361Abstract: A method for manufacturing an inexpensive and safe titanium dioxide powder having an excellent photocatalytic ability and a high purity of anatase phase crystalline structure by utilizing meta-titanic acid as a starting material is disclosed. Meta-titanic acid is first neutralized by a basic solution, followed by adding a metal oxide. Then, the meta-titanic acid is spray dried using hot air to obtain spherical shape granules. The granules are then sintered to obtain the resulting titanium dioxide powder having small sized porous second particles and a high specific surface area. As a result, an economical and highly effective photocatalytic titanium dioxide powder can be obtained.Type: GrantFiled: March 7, 2000Date of Patent: October 23, 2001Assignee: Nano Co., Ltd.Inventors: Dong-Woo Shin, Bub-Jin Kim