Patents Examined by Tabatha L Penny
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Patent number: 11976011Abstract: Provided is a wear resistant, sintered body made of a binderless carbide, cermet or cemented carbide, e.g., WC, W2C and/or eta-phase, with a grain size less than 6.0 ?m, and less than 6% binder phase (e.g., Co—Ni—Fe). At least some working surfaces of the sintered body are surface treated with a boron yielding method including applying a low viscosity liquid medium having boron or aluminum content and heating at 1200° C. to 1450° C. under a pressure less than atmospheric pressure or a hydrogen containing atmosphere to from a hardness gradient with an increased hardness of the treated working surfaces of at least 50 to 200 HV5 and favorable compressive stresses in a surface zone that gives a tougher working surfaces of the boronized sintered bodies.Type: GrantFiled: October 30, 2018Date of Patent: May 7, 2024Assignee: HYPERION MATERIALS & TECHNOLOGIES, INC.Inventor: Stefan Sven-Olov Ederyd
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Patent number: 11965248Abstract: The invention relates to a method for providing a metallic surface with a coating by applying one or more layers of one or more metal-containing slips to the surface. At least one of the slips comprises a coloring and/or color-imparting substance which has no influence on the properties of the completed coating and/or can be decomposed by thermal treatment, and the local thickness of the applied slip layer is determined on the basis of the local color intensity of the layer.Type: GrantFiled: May 21, 2019Date of Patent: April 23, 2024Assignee: MTU AERO ENGINES AGInventors: Horst Pillhoefer, Max Morant, Philipp Lautenbacher, Ludwig Hilser
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Patent number: 11932945Abstract: Method to manufacture a component suitable to be installed inside a protected chamber with a controlled atmosphere of a machine for the production and/or packaging of pharmaceutical products, configured to receive one or more pieces of equipment, or devices, or elements, each formed by one or more of the components, wherein the interior of the chamber, that is to say, the components that form the equipment, or the devices, or the elements, is/are intended to be subjected to suitable decontamination and sterilization treatments, for example CIP (Clean-In-Place) treatments and/or SIP (Sterilizing-In-Place) treatments; There are also described components that are manufactured with the manufacturing method as above, and a method to prepare a protected chamber, isolated from the external environment, of a machine for the production and/or packaging of pharmaceutical products.Type: GrantFiled: January 30, 2020Date of Patent: March 19, 2024Assignee: I.M.A. INDUSTRIA MACCHINE AUTOMATICHE S.P.A.Inventors: Gabriele Rustici Venturini, Claudio Trebbi, Gabriele Gabusi
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Patent number: 11931770Abstract: A process for coating an aircraft turbomachine component with an erosion-resistant coating, includes depositing the erosion-resistant coating by hot powder-coating on an aircraft turbomachine component made of an organic-matrix composite material or of a metallic material, the erosion-resistant coating including a polyurethane or silicone polymer, the polymer having a glass transition temperature of less than or equal to ?30° C.Type: GrantFiled: April 21, 2020Date of Patent: March 19, 2024Assignee: SAFRAN AIRCRAFT ENGINESInventor: Mathieu Julien Charlas
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Patent number: 11898303Abstract: The present invention relates to a surface-modified aramid fiber and a method for preparing the same. The method includes the following steps: modifying an aramid fiber having amino groups and carboxyl groups on the surface with siloxane ?-glycidoxypropyltrimethoxysilane to obtain a silicon methoxylated aramid fiber; reacting same with a cerium oxide coated with polydopamine modified chaotic boron nitride to obtain a surface-modified aramid fiber. The cerium oxide coated with polydopamine modified chaotic boron nitride has high ultraviolet absorption, and has extremely low catalytic activity, avoiding the damage to a fiber structure by photocatalysis during radiation, being an effective, safe and highly-efficient ultraviolet absorber. The surface-modified aramid fiber provided in the present invention has an ultraviolet-resistant function, high surface activity, good thermal performance, and better mechanical performance, providing excellent overall performance, and having higher utilization value.Type: GrantFiled: May 10, 2018Date of Patent: February 13, 2024Assignee: SOOCHOW UNIVERSITYInventors: Aijuan Gu, Hua Cai, Guozheng Liang, Li Yuan
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Patent number: 11851770Abstract: An article that includes a substrate; a first layer including yttria and zirconia or hafnia, where the first layer has a columnar microstructure and includes predominately the zirconia or hafnia; a second layer on the first layer, the second layer including zirconia or hafnia, ytterbia, samaria, and at least one of lutetia, scandia, ceria, neodymia, europia, and gadolinia, where the second layer includes predominately zirconia or hafnia, and where the second layer has a columnar microstructure; and a third layer on the second layer, the third layer including zirconia or hafnia, ytterbia, samaria, and a rare earth oxide including at least one of lutetia, scandia, ceria, neodymia, europia, and gadolinia, where the third layer has a dense microstructure and has a lower porosity than the second layer.Type: GrantFiled: August 25, 2020Date of Patent: December 26, 2023Assignees: Rolls-Royce Corporation, Rolls-Royce North American Technologies, Inc.Inventors: Matthew R. Gold, Michael Cybulsky, Stephanie Gong, Li Li
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Patent number: 11840585Abstract: The present invention provides a method for derivatizing cellulose pulp at high solids content or even at a fully dry state without pretreating the cellulose, the method comprising preparing a reaction medium comprising urea and at least one derivatization reagent; carrying out a chemical derivatization reaction between the at least one derivatization reagent and the cellulose pulp in a reaction system comprising the cellulose pulp in contact with the reaction medium; and optionally purifying and/or recovering the derivatized cellulose product. The present description also relates to products obtainable using said method.Type: GrantFiled: May 4, 2018Date of Patent: December 12, 2023Assignee: Betulium OyInventor: Nikolaos Pahimanolis
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Patent number: 11827574Abstract: A method of pressure sintering an environmental barrier coating on a surface of a ceramic substrate to form an article is provided. The method includes the steps of etching the surface of the ceramic substrate to texture the surface, disposing an environmental barrier coating on the etched surface of the ceramic substrate. The environmental barrier coating includes a rare earth silicate, and pressure sintering the environmental barrier coating on the etched surface of the ceramic substrate in an inert or nitrogen atmosphere such that at least a portion of the environmental barrier coating is disposed in the texture of the surface of the ceramic substrate thereby forming the article.Type: GrantFiled: August 9, 2021Date of Patent: November 28, 2023Assignee: HONEYWELL INTERNATIONAL INC.Inventors: Donald Martin Olson, Reza Oboodi, James Piascik, Terence Whalen, Bahram Jadidian
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Patent number: 11796476Abstract: A double frame nanoparticle synthesis method includes: forming a first platinum layer of a closed loop structure on an edge region of a 2-dimensional gold nanoparticle; removing a portion of the gold nanoparticle in an exposed inner region thereof free of the first platinum layer, thereby forming a single frame structure; growing a first gold thin film on the single frame structure; forming a second platinum layer on inner and outer edge regions of the first gold thin film; removing a portion of the first gold thin film in an exposed region thereof free of the second platinum layer, thereby forming a double frame structure having an inner frame of a closed loop structure, and an outer frame having a closed loop structure surrounding the inner frame and partially connected to the inner frame; and forming a second gold thin film on a surface of the double frame structure.Type: GrantFiled: January 26, 2021Date of Patent: October 24, 2023Assignee: Research & Business Foundation Sungkyunkwan UniversityInventors: Sung Ho Park, Sung Jae Yoo
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Patent number: 11766649Abstract: A process for coating carrier particles with inhalable drug guest particles, the process including providing an apparatus including a processing vessel having solid walls defining a chamber for receiving the particles and adding the particles to the chamber. Next, the cylindrical processing vessel is rotated about an axis to impart a centrifugal force of between 10 and 2100 g on the particles. Further a process coats carrier particles with guest particles, wherein the carrier particles include a material or a drug and wherein the guest particles include a solubility/dissolution controlling agent.Type: GrantFiled: July 11, 2018Date of Patent: September 26, 2023Assignee: ASTON PARTICLE TECHNOLOGIES LIMITEDInventors: Professor Afzal Ur Rahman Mohammed, Jasdip Singh Koner, David Wyatt, Eman Dahmash
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Patent number: 11761341Abstract: A method of applying a protective coating to a substrate includes the steps of: providing a turbine engine component substrate formed of a ceramic matrix composite material, forming an environmental barrier coating layer including a rare earth disilicate material directly on the substrate, treating an outer surface of the environmental barrier coating layer to form a thermal barrier coating layer including a porous rare earth monociliate material directly on the environmental barrier coating layer. The step of treating the outer surface is performed using a thermal process consisting of the application of heat or a chemical-thermal process consisting of the application of heat and a chemical. The method further includes infiltrating at least a portion of the pores with a metal solution or suspension.Type: GrantFiled: July 27, 2021Date of Patent: September 19, 2023Assignee: HONEYWELL INTERNATIONAL INC.Inventors: Mehrad Mehr, John Downs, Bahram Jadidian
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Patent number: 11751410Abstract: Methods of passivating a surface. The methods may include providing a mixture including a liquid and a derivative of quinacridone, applying the mixture to a first surface of a film that includes a metal halide perovskite, and annealing the film for a time and a temperature effective to convert the derivative of quinacridone to quinacridone. Composite materials and electronic devices also are provided.Type: GrantFiled: March 2, 2021Date of Patent: September 5, 2023Assignee: The Florida State University Research Foundation, Inc.Inventors: Biwu Ma, Qingquan He
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Patent number: 11739413Abstract: A method of forming a B4C layer as a component of an oxidation protection system as component of oxidation protection system on a carbon-carbon composite material may include forming a liquid mixture comprising a boron-compound and a carbon-compound. The method may further include applying the liquid mixture on the carbon-carbon composite material. The boron compound may comprise boric acid (H3BO3). In various embodiments, the carbon-compound comprises phenolic resin. In various embodiments, the method further includes heating the carbon-carbon composite material after applying the liquid mixture on the carbon-carbon composite material to from a boron carbide (B4C) layer.Type: GrantFiled: June 5, 2019Date of Patent: August 29, 2023Assignee: GOODRICH CORPORATIONInventor: Atta Khan
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Patent number: 11732353Abstract: Embodiments of the present disclosure generally relate to protective coatings on an aerospace component and methods for depositing the protective coatings. In one or more embodiments, a method for depositing a coating on an aerospace component includes depositing one or more layers on a surface of the aerospace component using an atomic layer deposition or chemical vapor deposition process, and performing a partial oxidation and annealing process to convert the one or more layers to a coalesced layer having a preferred phase crystalline assembly. During oxidation cycles, an aluminum depleted region is formed at the surface of the aerospace component, and an aluminum oxide region is formed between the aluminum depleted region and the coalesced layer. The coalesced layer forms a protective coating, which decreases the rate of aluminum depletion from the aerospace component and the rate of new aluminum oxide scale formation.Type: GrantFiled: April 16, 2020Date of Patent: August 22, 2023Assignee: Applied Materials, Inc.Inventors: Sukti Chatterjee, Lance A. Scudder, Yuriy Melnik, David A. Britz, Thomas Knisley, Kenichi Ohno, Pravin K. Narwankar
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Patent number: 11724283Abstract: Insulated ovens include an oven entry enclosure having a quick cool-down fan and damper, a direct-fired, forced draft combustion chamber, a converging enclosure at a distal end of the chamber, an oven exit enclosure having an exhaust fan, and oven cool-down doors. Combustion burners form a first heated gas that heats a wet coated continuous metal sheet to form a dried, uncured continuous metal sheet having a first heated temperature. The converging enclosure includes more burners, creating impinging flames that heat the dried, uncured continuous metal sheet, forming a continuous metal sheet having a dried, cured water-based coating having a second heated temperature. During cooling, actuators stop the coated continuous metal sheet upon receipt of a first signal, stop combustion except for pilot burners, open the cool-down doors and operate the quick cool-down fan to avoid waste. Burners may be relit in a second heating cycle.Type: GrantFiled: October 23, 2020Date of Patent: August 15, 2023Assignee: EPCON INDUSTRIAL SYSTEMS, LPInventor: Aziz A. Jamaluddin
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Patent number: 11717199Abstract: This application features a method of forming a nanoporous layer. The method includes steps of dispensing on a substrate a colloid composition comprising a liquid and a number of nanoparticle clusters, and subjecting the dispensed colloid composition to drying to form the nanoporous layer over the substrate. The nanoporous layer includes nanoparticles deposited to form a three dimensional network of irregularly shaped bodies. The nanoporous layer also includes a three dimensional network of irregularly shaped spaces that are not occupied by the three dimensional network of irregularly shaped bodies.Type: GrantFiled: March 1, 2022Date of Patent: August 8, 2023Assignee: UXN Co., Ltd.Inventors: Hankil Boo, Rae Kyu Chang
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Patent number: 11707700Abstract: The present invention disclosed a continuous flow and batch process for the separation of metal or metal oxide nanoparticles continuously in a periodic manner at the liquid-liquid interface using a centrifugal separator cum extractor, wherein the nanoparticles are collected at the liquid-liquid interface of the polar and non-polar liquids.Type: GrantFiled: April 30, 2018Date of Patent: July 25, 2023Assignee: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCHInventors: Amol Arvind Kulkarni, Jaydeep Bipin Deshpande
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Patent number: 11707552Abstract: The present invention discloses a preparation method of a biomedical titanium implant with a function of eliminating a surface biomembrane. The method includes the following steps: firstly synthesizing mesoporous polydopamine (MPDA) nanoparticles by a “one-pot method”, constituting a surface-aminated titanium material through diacid corrosion and modification of a 3-aminopropyltriethoxysilane (APTES) coupling agent, and integrating the MPDA nanoparticles into the surface of the titanium material through Michael addition reaction; secondly, taking MPDA anchored on the surface of the titanium material as a photothermal material and a photosensitizer carrier, where MPDA contains abundant aromatic rings capable of facilitating abundant loading of a photosensitizer (indocyanine green, ICG) through ?-? stacking interaction; and finally further modifying biocompatible RGD polypeptides on the surface of MPDA by Michael addition reaction, where a modified titanium material is referred to as Ti-M/I/RGD.Type: GrantFiled: June 4, 2020Date of Patent: July 25, 2023Assignee: CHONGQING UNIVERSITYInventors: Kaiyong Cai, Zhang Yuan, Peng Liu
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Patent number: 11697221Abstract: A process for the production of acetylated wood elements, a cooling system and a wood acetylation plant are described. A process for the production of acetylated wood elements comprises acetylating wood elements and cooling the acetylated wood elements wherein the cooling comprises supplying liquid water to the acetylated wood elements to provide wetted wood elements and exposing the wetted wood elements to a gas flow.Type: GrantFiled: June 23, 2017Date of Patent: July 11, 2023Assignee: Tricoya Technologies LtdInventors: Theodorus Gerardus Marinus Maria Kappen, Stephen John Benstead
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Patent number: 11655543Abstract: A method includes predicting a composition of calcium-magnesium-aluminum-silicate (CMAS) to be encountered by a high temperature mechanical system during use of the high temperature mechanical system. The method further includes selecting a composition of a CMAS-resistant barrier coating layer based at least in part on the predicted composition of CMAS. The CMAS-resistant barrier coating layer includes a base composition and at least one secondary oxide selected based on the predicted composition of CMAS. The at least one secondary oxide includes at least one of an oxide of a divalent element, an oxide of a trivalent element, or an oxide of a tetravalent element. The CMAS-resistant barrier coating layer comprises greater than 0 mol. % and less than about 7 mol. % of the at least one secondary oxide.Type: GrantFiled: August 8, 2018Date of Patent: May 23, 2023Assignees: ROLLS-ROYCE CORPORATION, ROLLS-ROYCE PLC, ROLLS-ROYCE NORTH AMERICAN TECHNOLOGIES, INC.Inventors: Ngunjoh Lawrence Ndamka, Li Li, Ann Bolcavage, Bruce Edward Varney, Sean E. Landwehr