Patents Issued in April 14, 2022
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Publication number: 20220112536Abstract: The present disclosure provides a reagent for detecting an analyte, comprising: an enzyme comprising glucose oxidoreductase; at least one electroactive molecule selected from resazurin, resazurin salt, resorufin or resorufin salt; and at least one metal coordination complex.Type: ApplicationFiled: October 8, 2021Publication date: April 14, 2022Inventors: Ngoc Minh Phuong Bui, Janette Lackore, Jessica Gendron, Aaron Ivey
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Publication number: 20220112537Abstract: The present disclosure deals with the biochemistry of reagents useful in the detection of ammonia in liquid samples. Specifically, the present disclosure is directed to a technical improvement of an enzyme-based test for ammonia that can be used for analysis of plasma samples taken from patients in clinical settings, among other uses. In this regard, stability of a reagent containing NAD(P)H is improved, enhancing shelf life and results in the detection of ammonia. In an exemplary reagent ammonia released as a result of NAD(P)H decay is scavenged using an enzymatic reaction to convert the ammonia using GLDH, NAD(P)H and 2-oxoglutarate, thereby forming L-glutamate, NAD(P)+ and H2O in the NAD(P)H containing reagent.Type: ApplicationFiled: January 30, 2020Publication date: April 14, 2022Inventors: Steffen BOSSERT-REUTHER, Rolf NAGEL, Silvia RETTIG
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Publication number: 20220112538Abstract: Provided are methods of separating an absorption spectrum into a Rayleigh scattering contribution and an absorption contribution. By performing such separations and removing the influence of Rayleigh scattering, the absorption of a sample can be more accurately measured. Provided are additional methods that involve separating an absorption spectrum into a Rayleigh scattering contribution and an absorption contribution: assessing whether or not a microorganism is present in a biological fluid, assessing the effect of a pharmaceutical drug on a microorganism, and treating a subject suspected of having an infection. Provided are systems and non-transitory computer readable storage media for separating an absorption spectrum into a Rayleigh scattering and an absorption contribution.Type: ApplicationFiled: June 22, 2021Publication date: April 14, 2022Inventor: Ravi Verma
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Publication number: 20220112539Abstract: The present invention provides methods for enriching a target complementary DNA (cDNA), comprising: (a) providing a plurality of cDNAs, each comprising a first universal sequence at an end, and wherein the plurality of cDNAs comprises the target cDNA; (b) amplifying the target cDNA with a universal forward primer complementary to the first universal sequence and a gene specific reverse primer, and wherein a second universal sequence is added to an end of the cDNA opposite the first universal sequence, by a nucleic acid amplification reaction, by ligation, or by a primer extension reaction; and (c) amplifying the amplicons or extension products using the universal forward primer and a universal reverse primer complementary to the second universal sequence. In one embodiment, the universal forward primer, the gene specific reverse primer and the second universal reverse primer are provided in the same reaction mixture such that the amplifying is a single step.Type: ApplicationFiled: December 26, 2019Publication date: April 14, 2022Inventors: Jonathan Scolnick, Wang Yingting, Shawn Hoon
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Publication number: 20220112540Abstract: Provided herein are methods of determining that a subject has or is at risk of having a disease (e.g., cancer) using nucleic acid molecules derived from a cell-free biological sample of the subject.Type: ApplicationFiled: December 21, 2021Publication date: April 14, 2022Inventors: Li WENG, Malek FAHAM, Tobias WITTKOP, Chia-Hui LIN, Ling Fung TANG, Johnny WU
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Publication number: 20220112541Abstract: Differential expression of long non-coding RNAs (lncRNAs) and enhancer RNAs (eRNAs) are used to monitor diseases and determine therapeutic efficacy in, for example, neurological diseases, inflammatory diseases, rheumatic diseases, and autoimmune diseases. Machine learning systems are used to identify lncRNAs or eRNAs having differential expression correlated with responsiveness to various therapies.Type: ApplicationFiled: April 19, 2021Publication date: April 14, 2022Inventor: Charles Floyd Spurlock, III
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Publication number: 20220112542Abstract: This disclosure provides a gene expression-based method for determining whether a subject has a viral infection or a bacterial infection. A kit for performing the method is also provided.Type: ApplicationFiled: February 14, 2020Publication date: April 14, 2022Inventors: Purvesh KHATRI, Aditya Manohar RAO, David A. RELMAN, Stephen POPPER, Timothy E. SWEENEY
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Publication number: 20220112543Abstract: Described herein various PCR based assays that can detect H. penaei and/or V. parahaemolyticus that causes AHPND in a nucleic acid sample obtained from one or more shrimp. In some aspects, the PCR based assays can detect one or more of the following genes: the flgE gene from H. penaei, the shrimp 18s rRNA gene, the shrimp beta actin gene from shrimp, a bacterial 16S rRNA gene from bacteria (any type of bacteria) the Vibrio pirA gene, and the Vibrio pirB gene. The assays described herein can be single assays or can be multiplexed such that more than one gene and/or more than one bacterial species can be detected in a single reaction. Other compositions, compounds, methods, features, and advantages of the present disclosure will be or become apparent to one having ordinary skill in the art upon examination of the following drawings, detailed description, and examples.Type: ApplicationFiled: December 23, 2021Publication date: April 14, 2022Inventors: Luis F. Aranguren Caro, Arun Dhar, Roberto Cruz Flores
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Publication number: 20220112544Abstract: Methods, compositions, and kits are provided for quantification of genome editing.Type: ApplicationFiled: December 20, 2021Publication date: April 14, 2022Inventors: Jennifer BERMAN, Samantha COOPER, George KARLIN-NEUMANN, Yuichiro MIYAOKA, Bruce CONKLIN, Josh SHINOFF
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Publication number: 20220112545Abstract: The present invention provides assays and assay systems for use in spatially encoded biological assays. The invention provides an assay system comprising an assay capable of high levels of multiplexing where reagents are provided to a biological sample in defined spatial patterns; instrumentation capable of controlled delivery of reagents according to the spatial patterns; and a decoding scheme providing a readout that is digital in nature.Type: ApplicationFiled: December 20, 2021Publication date: April 14, 2022Applicant: Prognosys Biosciences, Inc.Inventor: Mark S. Chee
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Publication number: 20220112546Abstract: Described herein are synthetic methods for producing sequence-specific RNA oligonucleotides that eliminate impurities produced in prior art methods. In one aspect, a first amplification primer includes one or more deoxyuridine residues, wherein at least one of the one or more deoxyuridine residues is at position ?1, ?2, ?3, ?4 or ?5 of the promoter region for the single-subunit, DNA-dependent RNA polymerase. The deoxyuridines are excised to provide an amplified functional template DNA which is then used to synthesize RNA which has reduced immunogenic double stranded RNA compared to controls.Type: ApplicationFiled: October 28, 2021Publication date: April 14, 2022Inventors: Craig Martin, Elvan Cavac, Kithmie Harshana Malagodapathiranage
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Publication number: 20220112547Abstract: The invention relates to processes for performing biochemical reactions, such as in an aqueous in vitro reaction system. The processes involve macromolecules, particularly polypeptides, comprising one or more functional intrinsically disordered regions (IDRs). The invention also relates to IDR-macromolecules, including IDR-polypeptides, including macromolecules or polypeptides comprising a tagged amino acid sequence which comprises or consists of one or more functional IDRs. Such functional IDRs are capable of increasing the efficiency of the biochemical reaction. The invention relates to kits comprising any such macromolecules and polypeptides. The invention further relates to processes for stimulating or enhancing liquid-liquid demixing in a solution using any such macromolecules and polypeptides, including in combination with multivalent metal ions, thereby providing reagents capable of increasing the efficiency of a biochemical reaction.Type: ApplicationFiled: November 17, 2021Publication date: April 14, 2022Inventors: Niall ARMES, Hannah Williams, Matthew Forrest, Matthew Parker, Sidong Liu, Lauren Parker
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Publication number: 20220112548Abstract: The invention relates to compounds, methods and compositions for improving on nucleic acid polymerization, including DNA replication by in vitro primer extension to generate, for example, polymers for nanopore-based single molecule sequencing of a DNA template. A nucleic acid polymerase reaction composition is provided with polymerization enhancement moieties, which allows enhanced DNA polymerase activity with nucleotide analogs, resulting in improved length of primer extension products for sequencing applications.Type: ApplicationFiled: December 21, 2021Publication date: April 14, 2022Inventors: Jagadeeswaran Chandrasekar, Drew Goodman, Aaron Jacobs, Mark Stamatios Kokoris, Lacey Merrill, Melud Nabavi, Dylan O'Connell, John Tabone
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Publication number: 20220112549Abstract: The invention provides a method and a product for detecting the health status of an embryo by using a blastocyst culture medium. Specifically, the present invention provides an in vitro method for detecting the health status of embryos using blastocyst culture medium, characterized in that it comprises the steps of: (a) providing a first blastocyst culture system containing a blastocyst of in vitro culture on Day 5 (D5) to Day 6 (D6); (b) transferring the blastocysts into a second blastocyst culture system containing a fresh blastocyst culture medium, and culturing in the exchanged medium for a time of T1, thereby obtaining a spent blastocyst culture medium; (c) collecting the spent blastocyst culture medium, thereby obtaining a cell-free spent blastocyst culture medium, i.e. a test sample; and (d) performing a genetic assay to identify the health status of the blastocyst.Type: ApplicationFiled: December 27, 2019Publication date: April 14, 2022Applicant: XUKANG MEDICAL SCIENCE & TECHNOLOGY (SUZHOU) CO., LTD.Inventors: Yaxin Yao, Wenlu Li, Jieliang Ma, Sijia Lu
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Publication number: 20220112550Abstract: The invention is directed to methods for analyzing polymers comprising linear chains of at least two types of monomers, such as polynucleotides, including DNA, RNA, and the like, using nanopores and optical detection. In some embodiments, as few as two different kinds of nucleotide are labeled with different optical labels that generate distinguishable optical signals for the selected kinds of nucleotide in both sense strands and antisense strands of target polynucleotides. Labeled strands are translocated through nanopores where nucleotides of the strands are constrained to pass sequentially through an optical detection region where their labels generate a sequence of optical signals making up an optical signature. In some embodiments, information from optical signatures from both sense and antisense strands are combined to determine complete nucleotide sequences of target polynucleotides.Type: ApplicationFiled: August 3, 2021Publication date: April 14, 2022Applicant: Quantapore, Inc.Inventors: Karl GUEGLER, Jan F. SIMONS, Stephen C. MACEVICZ
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Publication number: 20220112551Abstract: The invention is directed to nanopore arrays comprising opaque layers that reduce background fluorescence in optical signal collected in applications of such arrays for analyzing molecules. In some embodiments, such arrays are used to determine characteristics of polymers, such as polynucleotides, in methods comprising the steps of translocating polymers through nanopores of such arrays wherein polymers have one or more optical labels, exciting optical labels of the polymers in a signal generation region of each nanopore extending from the opaque layer toward the direction of the excitation beam, detecting optical signals from the signal generation regions of each nanopore to determine characteristics of the polymer translocating therethrough.Type: ApplicationFiled: July 19, 2021Publication date: April 14, 2022Applicant: Quantapore, Inc.Inventors: Daniel KOSLOVER, Brett N. ANDERSON
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Publication number: 20220112552Abstract: This invention provides novel azido linkers for deoxynucleotide analogues having a detectable marker attached thereto.Type: ApplicationFiled: December 23, 2021Publication date: April 14, 2022Applicant: The Trustees of Columbia University in the City of New YorkInventors: Jingyue Ju, Huanyan Cao, Zengmin Li, Qinglin Meng, Jia Guo, Shenglong Zhang, Lin Yu
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Publication number: 20220112553Abstract: Methods for single-molecule analysis of structure and sequence of linearized polynucleotides are provided.Type: ApplicationFiled: October 13, 2021Publication date: April 14, 2022Applicants: Massachusetts Institute of Technology, The Broad Institute, Inc.Inventors: Edward S. Boyden, Fei Chen, Nikita Obidin, Andrew Colin Payne
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Publication number: 20220112554Abstract: An amount of mitochondrial DNA molecules relative to an amount of nuclear DNA molecules is determined in a biological sample, and the relative amount is used for various purposes, e.g., screening, detection, prognostication or monitoring of various physiological and pathological conditions. As examples, an amount of mitochondrial DNA can be used to estimate a concentration of DNA of a tissue type, such as a fetal DNA concentration, tumor DNA concentration, or a concentration of DNA in the biological sample derived from a non-hematopoietic tissue source. Sequencing techniques can be used to determine a mitochondrial DNA concentration in a sample for an accurate detection of a level of cancer. A level of an auto-immune disease is also determined using a relative amount of mitochondrial DNA molecules compared nuclear DNA molecules.Type: ApplicationFiled: December 22, 2021Publication date: April 14, 2022Inventors: Yuk-Ming Dennis Lo, Rossa Wai Kwun Chiu, Kwan Chee Chan, Peiyong Jiang
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Publication number: 20220112555Abstract: The invention relates generally to the use of microvesicle RNA signatures for diagnosis, predicting, and/or to monitor treatment efficacy, including patients who are candidates for renal transplant and/or who have received a renal transplant.Type: ApplicationFiled: December 23, 2021Publication date: April 14, 2022Inventors: Johan Karl Olov SKOG, Jamil AZZI
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Publication number: 20220112556Abstract: A method and a system for calculating tumor neoantigen burden (TNB) are provided. The method includes: step S1: processing a normal sample and a tumor sample, sequencing a specific region and detecting somatic mutations in the sample; step S2: annotating and filtering the somatic mutations, and translating to obtain mutant peptide sequences of a patient; step S3: filtering the mutant peptide sequences to obtain neopeptide sequences based on a proteome of the normal sample; step S4, performing a human leukocyte antigen (HLA) typing analysis based on alignment data of the normal sample to obtain HLA genotypes of the sample; step S5, predicting binding affinities between the neopeptide sequences and the HLA genotypes to obtain specific neoantigens of the sample, and performing a weighted scoring on each of the specific neoantigens and calculating the TNB of the sample.Type: ApplicationFiled: January 15, 2021Publication date: April 14, 2022Applicant: Shenzhen NeoCura Biotechnology CorporationInventors: Ji WAN, Yiming SHEN, Jian WANG, Youdong PAN, Yi WANG, Qi SONG
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Publication number: 20220112557Abstract: Methods and systems for identifying clinically effective population of tumor infiltrating lymphocytes are disclosed. Also disclosed are methods for identifying persistent unique clones derived from adoptive cell therapy products.Type: ApplicationFiled: January 10, 2020Publication date: April 14, 2022Inventors: Cecile Chartier-Courtaud, Viktoria Gontcharova
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Publication number: 20220112558Abstract: Compositions and methods for the diagnosis and treatment of lymphatic anomaly are disclosed.Type: ApplicationFiled: September 9, 2019Publication date: April 14, 2022Applicant: THE CHILDREN'S HOSPITAL OF PHILADELPHIAInventors: Hakon Hakonarson, Yoav Dori, Dong Li, Michael March, Charlly Kao, Christoph Seiler
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Publication number: 20220112559Abstract: Described herein are methods and systems using ADAM30 as a biomarker to help early diagnosis of congenital malformed vasculatures in children and which can also serve as a companion diagnostic biomarker for malformed vasculatures, as well as a subpopulation of cancer cells, wherein blockage of activity of ADAM30 by a neutralized antibody or inhibitor can be used as a treatment strategy for those ADAM30-positive vascular endothelial cells and cancer cells.Type: ApplicationFiled: August 12, 2021Publication date: April 14, 2022Applicant: University of South CarolinaInventors: Wenbin Tan, Elaine G. Taine, Hui Wang, Vi Nguyen, Xiaoling Cao
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Publication number: 20220112560Abstract: The invention provides miRNA biomarkers for the accurate and early prediction or detection of those babies that will be born at a birth weight that is less than 5th centile for the particular gestational age at birth.Type: ApplicationFiled: January 28, 2020Publication date: April 14, 2022Inventors: Phillip Bennett, Sung Hye Kim, David Alan Macintyre, Vasiliki Terzidou
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Publication number: 20220112561Abstract: The present disclosure provides systems and methods for sequencing and analysis of nucleic acids.Type: ApplicationFiled: December 21, 2021Publication date: April 14, 2022Inventors: Giulia C. Kennedy, Jing Huang, Yoonha Choi, Daniel Pankratz, Patric Sean Walsh
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Publication number: 20220112562Abstract: Prognostic and predictive biomarkers are disclosed that can be used in systems and methods for predicting the prognosis of a subject with a cancer and to direct therapy based on that prognosis.Type: ApplicationFiled: June 2, 2021Publication date: April 14, 2022Inventor: Hongyue A. Dai
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Publication number: 20220112563Abstract: Described is a computer-implemented method for identifying responsiveness to therapy for a subject suffering from cancer. The method involves determining values of biomarkers such as the levels of TREX1, PD-L1 and/or immune cell infiltration in a cancerous lesion. The biomarker values are processed to obtain a score indicative of responsiveness of the cancerous lesion to combined radio- and immunotherapy treatment. The method may obtain scores for multiple treatment modalities (such as different doses and/or fractionations of radiotherapy) and/or different cancer lesions in the subject. Also provided is a system and computer program product for performing the method.Type: ApplicationFiled: February 2, 2020Publication date: April 14, 2022Inventors: Pedro RODRIGUES, Vanda Lucia De Carvalho VITORINO DE ALMEIDA, Reinhold WIMBERGER-FRIEDL
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Publication number: 20220112564Abstract: The invention relates to a stromal/EMT/TGF? signature that is predictive of patient response to treatment with a PD-1 antagonist, wherein the stromal/EMT/TGF? signature comprises five or more genes selected from Table 1 disclosed herein. More specifically, a lower stromal/EMT/TGF-? score is associated with favorable response to a PD-1 antagonist in a patient with cancer. Also provided are methods of treating a cancer patient with a PD-1 antagonist that were identified as positive for the stromal/EMT/TGF? biomarker of the invention. The disclosure also provides methods and kits for testing tumor samples for the biomarkers.Type: ApplicationFiled: February 10, 2020Publication date: April 14, 2022Applicant: Merck Sharp & Dohme Corp.Inventors: Andrey Loboda, Jared K. Lunceford, Chunsheng Zhang, Michael Nebozhyn, Razvan Cristescu, Mark D. Ayers, Terrill K. McClanahan, Hua Ma
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Publication number: 20220112565Abstract: Biomarkers and methods using the biomarkers for classifying cancer in a patient (e.g., predicting the risk of cancer-specific death or cancer recurrence) are provided.Type: ApplicationFiled: September 24, 2021Publication date: April 14, 2022Applicant: Myriad Genetics, Inc.Inventors: Steven Stone, Alexander Gutin, Julia Reid
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Publication number: 20220112566Abstract: This document provides methods and materials involved in using measles viruses. For example, methods and materials for identifying mammals (e.g., humans) likely to respond to standard measles virus vaccines or standard measles virus-based therapies as well as methods and materials for identifying mammals (e.g., humans) unlikely to respond to standard measles virus vaccines or standard measles virus-based therapies are provided.Type: ApplicationFiled: December 21, 2021Publication date: April 14, 2022Applicant: MAYO FOUNDATION FOR MEDICAL EDUCATION AND RESEARCHInventors: RICHARD B. KENNEDY, GREGORY A. POLAND, INNA G. OVSYANNIKOVA, IANA H. HARALAMBIEVA
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Publication number: 20220112567Abstract: Disclosed herein are methods for detecting presence of a target nucleic acid (such as an influenza virus nucleic acid) in a sample. In some embodiments, the methods include contacting the sample with a first probe capable of hybridizing to the target nucleic acid and a second probe capable of hybridizing to the target nucleic acid, contacting the resulting complex with one or more gap filling reagents, thereby producing a gap-filled target nucleic acid, isolating and amplifying the gap-filled target nucleic acid. The amplified gap-filled target nucleic acid covalently linked to the substrate is then detected, for example with a detectably labeled probe. Also disclosed herein are probes capable of hybridizing to influenza virus nucleic acids. The disclosure also includes kits for detecting and/or discriminating influenza virus nucleic acids in a sample. In some examples, the kits include two or more of the disclosed probes.Type: ApplicationFiled: December 20, 2021Publication date: April 14, 2022Applicant: The United States of America, as represented by the Secretary, Dept. of Health and Human ServicesInventors: Genyan Yang, Charles Todd Davis
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Publication number: 20220112568Abstract: A method and a device for adjusting the temperature of steel blanks, such that a plurality of temperature-adjusting stations are used in order to heat the steel blanks in stages with low temperature gradients.Type: ApplicationFiled: October 13, 2021Publication date: April 14, 2022Inventors: Cordt ERFLING, Markus KETTLER, Frank RABE, Dimitri SCHNEIDER
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Publication number: 20220112569Abstract: A steel sheet includes, as a chemical composition, by mass %: C: 0.0015% to 0.0400%; Mn: 0.20% to 1.50%; P: 0.010% to 0.100%; Cr: 0.001% to 0.500%; Si: 0.200% or less; S: 0.020% or less; sol. Al: 0.200% or less; N: 0.0150% or less; Mo: 0% to 0.500%; B: 0% to 0.0100%; Nb: 0% to 0.200%; Ti: 0% to 0.200%; Ni: 0% to 0.200%; Cu: 0% to 0.100%; and a remainder including iron and impurities, in which a metallographic structure in a surface layer region includes ferrite having a volume fraction of 90% or more, and in the surface layer region, an average grain size of the ferrite is 1.0 ?m to 15.0 ?m, and a texture in which an XODF{001}/{111}, S as a ratio of an intensity of {001} orientation to an intensity of {111} orientation in the ferrite is 0.30 or more and less than 3.50 is included.Type: ApplicationFiled: January 7, 2020Publication date: April 14, 2022Applicant: NIPPON STEEL CORPORATIONInventors: Masahiro KUBO, Hiroyuki KAWATA, Kenichiro OTSUKA, Masafumi AZUMA
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Publication number: 20220112570Abstract: Embodiments are described herein of a bifurcated heat treatment apparatus and methods for localized heat treatment of a golf club hosel or golf club head. The heat treating method comprises a bifurcated process in which the golf club head is treated in the first heating unit via induction heating and then moved to the second heating unit for convection heating. Both steps are to localize the hosel heat treatment. The heat treatment apparatus may also include a cooling component, such as a heat sink, to ensure the body of the club head remains at the correct temperature during the second heating stage when the hosel is heated in isolation. The overall bifurcated method and apparatus of the localized heat treatment leads to a hosel or golf club head with at least two different hardness values to allow for manipulation of the material without cracking or fracturing.Type: ApplicationFiled: December 22, 2021Publication date: April 14, 2022Inventors: Dave Wu, Tyler Shaw, Matthew W. Simone, Yujen Huang
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Publication number: 20220112571Abstract: A method of producing a steel material, wherein when a cooling apparatus having a plurality of cooling sections disposed side by side in a longitudinal direction of a steel material cools the steel material hot worked or cooled/reheated, the steel material is conveyed at a conveyance distance Lo (m) satisfying Equation (1), in one direction along with the longitudinal direction of the steel material, in the cooling apparatus, wherein Lo is defined as conveyance distance (m) of steel material, m is a natural number, and Lh is defined as length (m) of cooling sections in longitudinal direction of steel material: (m?0.20)×Lh?Lo(m+0.20)×Lh??(1).Type: ApplicationFiled: December 15, 2021Publication date: April 14, 2022Inventors: Kenji Okushiro, Hiroyuki Fukuda, Hideo Kijima, Yoshikazu Yoshida, Hiroshi Ishikawa, Sadanori Nakano
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Publication number: 20220112572Abstract: A steel pipe for a fuel injection pipe has a chemical composition consisting of, by mass %: C: 0.17 to 0.27%, Si: 0.05 to 0.40%, Mn: 0.30 to 2.00%, P: 0.020% or less, S: 0.0100% or less, O: 0.0040% or less, Ca: 0.0010% or less, Al: 0.005 to 0.060%, N: 0.0020 to 0.0080%, Ti: 0.005 to 0.015%, Nb: 0.015 to 0.045%, Cr: 0 to 1.00%, Mo: 0 to 1.00%, Cu: 0 to 0.50%, Ni: 0 to 0.50%, V: 0 to 0.15%, and the balance: Fe and impurities. The metal micro-structure consists substantially of tempered martensite, or tempered martensite and tempered bainite. A prior-austenite grain size number is 9.0 or more. The hardness is within the range of 350 to 460 HV1. When a maximum value of a square root of an area of inclusions observed in a cross section perpendicular to a longitudinal direction of the steel pipe is taken as an (n=1 to 20), a maximum value amax of an is 30.0 ?m or less, and an average value aav of an is 40% or more of amax.Type: ApplicationFiled: February 13, 2020Publication date: April 14, 2022Inventors: Taizo MAKINO, Masahiro YAMAZAKI, Yuji ARAI, Osamu ENDO, Naoki SERIZAWA, Tatsuya MASUDA
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Publication number: 20220112573Abstract: A method for producing a grain oriented electrical steel sheet includes a decarburization annealing process where an oxidation degree PH2O/PH2 is controlled, an annealing separator applying process where a mass ratio of MgO and Al2O3 in an annealing separator is controlled, a final annealing process where an oxidation degree is controlled when atmosphere includes hydrogen or a dew point is controlled when atmosphere consists of inert gas, and an insulation coating forming process where a baking temperature and a heat treatment temperature are controlled.Type: ApplicationFiled: January 16, 2020Publication date: April 14, 2022Applicant: NIPPON STEEL CORPORATIONInventors: Shinsuke TAKATANI, Yoshiyuki USHIGAMI, Shuichi NAKAMURA, Shunsuke OKUMURA, Shohji NAGANO
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Publication number: 20220112574Abstract: A high-strength steel sheet includes a predetermined chemical composition, a microstructure contains, by volume percentage, 80% or more of tempered martensite, and a remainder consists of ferrite and bainite, the microstructure contains 5.0×1011 pieces/mm3 or more of, per unit volume, precipitate containing Ti and having an equivalent circle diameter of 5.0 nm or less, Hvs/Hvc which is a ratio of an average hardness Hvs at a position of a depth of 20 ?m from a surface to an average hardness Hvc at a position of 0.20 to 0.50 mm from the surface is 0.85 or more, and the tensile strength is 1,180 MPa or more.Type: ApplicationFiled: March 19, 2020Publication date: April 14, 2022Applicant: NIPPON STEEL CORPORATIONInventors: Masafumi AZUMA, Eisaku SAKURADA, Genki ABUKAWA, Kenichiro OTSUKA, Takeshi TOYODA
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Publication number: 20220112575Abstract: A cold rolled steel strip or sheet has a composition consisting of (in wt. %): C 0.15-0.25; Si 0.5-1.6; Mn 2.2-3.2; Cr?0.8; Mo?0.2; Al 0.03-1.0; Nb?0.04; V?0.04; Ti 0.01-0.04; B 0.001-0.010; TUB 5-30; Cu?0.15; Ni?0.15; Ca?0.01; balance Fe apart from impurities, where the cold rolled steel has a multiphase microstructure comprising a matrix mainly composed of tempered martensite and has a tensile strength (Rm) of at least 1380 MPa.Type: ApplicationFiled: November 28, 2019Publication date: April 14, 2022Inventors: Johannes REHRL, Martin GRUBER, Florian WINKELHOFER, Thomas HEBESBERGER
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Publication number: 20220112576Abstract: The present application provides a process and system for recovery of rare earth elements. In particular, the present application provides a process for obtaining a precipitate of rare earth elements (REE), comprising: (a) obtaining an acidic composition comprising the REE (such as, for example, a pregnant leach solution); (b) adding a reducing agent to the acidic composition and adjusting the pH with a basic agent; (c) adding oxalate directly to the composition formed in step (b) and mixing to form an REE oxalate precipitate; (d) removing the REE oxalate precipitate from the mixture of step (c).Type: ApplicationFiled: March 12, 2020Publication date: April 14, 2022Inventor: Chen XIA
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Publication number: 20220112577Abstract: Disclosed is a method for recycling metal-chelates by separating the metal or metal ion from the chelate by forming a metal salt or metal precipitate apart from the chelator. In various embodiments, gadolinium-chelates, which are used as MM contrast agent and which create vial hold-up material that is otherwise discarded, are acid or solvent treated to promote separation of the gadolinium from the chelate for downstream sale or further processing.Type: ApplicationFiled: October 11, 2021Publication date: April 14, 2022Inventor: Bradley STOCKMANN
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Publication number: 20220112578Abstract: A titanium alloy consisting of about 7.0 to about 9.0 percent by weight vanadium, about 4.0 to about 4.5 percent by weight aluminum, about 0.9 to about 1.5 percent by weight iron, optionally, oxygen, and the balance being titanium and impurities.Type: ApplicationFiled: August 25, 2021Publication date: April 14, 2022Applicant: The Boeing CompanyInventors: Joe Pecina, Robert Burkett, Gary M. Backhaus
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Publication number: 20220112579Abstract: A surface-treated steel sheet includes a chemical conversion coating with a thickness of 3.0 ?m or less, the chemical conversion coating being placed on a surface of a hot-dip Zn—Al alloy coated steel sheet including a hot-dip Zn—Al alloy coating film containing Al: more than 1.0 mass % and 15 mass % or less, a balance being Zn and inevitable impurities. The chemical conversion coating contains AlH2P3O10.2H2O and a compound containing one or more elements selected from Mg, Ca, and Sr such that a sum of contents of AlH2P3O10.2H2O and the compound is 3.0 mass % to 50 mass %.Type: ApplicationFiled: November 13, 2019Publication date: April 14, 2022Applicant: JFE Steel CorporationInventors: Masahiro Yoshida, Takeshi Matsuda, Kazuhisa Okai, Yusuke Fushiwaki, Akira Matsuzaki, Daisuke Mizuno
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Publication number: 20220112580Abstract: A high-entropy alloy with a low specific gravity includes Fe: 16.7 to 25 at %, Cr: 10.5 to 20.6 at %, Al: 12.7 to 18 at %, remaining Ni, and impurities. The high-entropy alloy includes microstructures of a body-centered cubic (BCC) and a face-centered cubic (FCC) formed together, wherein a fraction of the FCC of the high-entropy alloy is 50 to 80%.Type: ApplicationFiled: May 6, 2021Publication date: April 14, 2022Inventors: Hoo Dam Lee, Kyung Sik Choi, Tae Gyu Lee, Byung Ho Min
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Publication number: 20220112581Abstract: Process for manufacturing a part (20), comprising a formation of successive metal layers (201 . . . 20n) which are superimposed on each other, each layer describing a pattern which is defined on the basis of a numerical model (M), each layer being formed by the deposit of a filler metal (15, 25), the filler metal being subjected to a supply of energy so as to become molten and to constitute, upon solidifying, said layer, the process being characterised in that the filler metal (15, 25) is an aluminium alloy comprising the following alloy elements (% by weight): Cu: 5%-8%; Mg: 4%-8%; optionally Si: 0%-8%; optionally Zn: 0%-10%; and other elements: <2% individually, the other elements comprising: Sc and/or Fe and/or Mn and/or Ti and/or Zr and/or V and/or Cr and/or Ni; impurities: <0.05% individually, and in total <0.15%; the remainder being aluminium.Type: ApplicationFiled: September 19, 2019Publication date: April 14, 2022Inventor: Bechir CHEHAB
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Publication number: 20220112582Abstract: A composition of matter defined by the general formula of M2+vL1?vX2, wherein: X is carbon; M represents a transition metal selected from the group consisting of Ti, Ta, Sc, Cr, Zr, Mo, V, and Nb; and L represents a lanthanide element selected from the group consisting of Ce, Pr, Nd, Sm, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu.Type: ApplicationFiled: October 8, 2021Publication date: April 14, 2022Inventors: Babak Anasori, Weichen Hong
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Publication number: 20220112583Abstract: Provided is a hard particle in which Cr and W, that are quickly diffused in Mo, are present at the same time as Ni and Mn. Specifically, the hard particle contains Cr: 5% by mass to 20% by mass, W: 2% by mass to 19% by mass, Mo: 25% by mass to 40% by mass, Ni: 10% by mass to 22% by mass, Mn: 10% by mass or less, C: 2.0% by mass or less, Si: 2.0% by mass or less, and a remainder: Fe and unavoidable impurities.Type: ApplicationFiled: October 5, 2021Publication date: April 14, 2022Applicants: TOYOTA JIDOSHA KUBUSHIKI KAISHA, FINE SINTER CO., LTDInventors: Yuki KAMO, Yusaku YOSHIDA, Yuta INOUE
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Publication number: 20220112584Abstract: The present disclosure relates to a micron silver particle-reinforced 316L stainless steel matrix composite, including a 316L stainless steel matrix and silver particles uniformly distributed in the 316L stainless steel matrix. The silver particles have a weight 1% to 5% of the total weight of the composite; and the composite has a density of 7.9 g/cm3 to 8.2 g/cm3 and a relative density of more than 98%. The composite is prepared by the following method: mixing raw materials of a spherical silver powder and a spherical 316L stainless steel powder; subjecting a resulting mixture to mechanical ball milling to obtain a mixed powder; sieving the mixed powder and adding a resulting powder to a powder cylinder of an SLM forming machine; and charging an inert protective gas for printing to obtain the composite.Type: ApplicationFiled: July 23, 2020Publication date: April 14, 2022Inventors: Dongdong GU, Kaijie LIN, Jingfeng QUAN, Yamei FANG, Qing GE, Jie ZHUANG, Yang LIU, Weisong DONG, Pengjiang SHUAI
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Publication number: 20220112585Abstract: The present disclosure relates to a corrosion resistant duplex stainless steel (ferritic austenitic alloy) which is suitable for use in a plant for the production of urea and uses thereof. The disclosure also relates to objects made of said duplex stainless steel. Furthermore, the present disclosure relates to a method for the production of urea and to a plant for the production of urea having one or more parts made from the duplex stainless steel, and to a method of modifying an existing plant for the production of urea.Type: ApplicationFiled: December 20, 2021Publication date: April 14, 2022Applicant: Sandvik Intellectual Property ABInventors: Daniel GULLBERG, Christina HARALDSSON, Anders WILSON, Alexander SCHEERDER, Kirk OFEI