Patents Examined by Jennifer C Sawyer
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Patent number: 11325886Abstract: Amide compounds are disclosed. Also disclosed are pharmaceutical compositions comprising the compounds as well as methods of treating neurodegenerative diseases that involve administering the compounds or pharmaceutical compositions to a subject.Type: GrantFiled: August 14, 2017Date of Patent: May 10, 2022Assignee: Oregon Health & Science UniversityInventors: Thomas S. Scanlan, James Matthew Meinig, Skylar J. Ferrara, Tapasree Banerji, Tania Banerji
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Patent number: 11328832Abstract: A catalyst-free synthesis method for the formation of a metalorganic compound comprising a desired (first) metal may include, for example, selecting another (second) metal and an organic solvent, with the second metal being selected to (i) be more reactive with respect to the organic solvent than the first metal and (ii) form, upon exposure of the second metal to the organic solvent, a reaction by-product that is more soluble in the organic solvent than the metalorganic compound. An alloy comprising the first metal and the second metal may be first produced (e.g., formed or otherwise obtained) and then treated with the organic solvent in a liquid phase or a vapor phase to form a mixture comprising (i) the reaction by-product comprising the second metal and (ii) the metalorganic compound comprising the first metal. The metalorganic compound may then be separated from the mixture in the form of a solid.Type: GrantFiled: June 11, 2018Date of Patent: May 10, 2022Assignees: SILA NANOTECHNOLOGIES INC., GEORGIA TECH RESEARCH CORPORATIONInventors: Gleb Yushin, James Benson, Danni Lei, Eugene Berdichevsky
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Patent number: 11325875Abstract: Chiral spirobiindane skeleton compound and preparation method thereof is disclosed in the present invention. The spirobiindane skeleton compound of the present invention having the structure formula of I or I?; the preparation method for synthesizing the spirobiindane skeleton compound of the present invention comprising the following steps: in the presence of solvent and catalysts, the structure formula compound III reacted through intramolecular Friedel-Crafts reaction to obtain the compound of formula I; the catalyst is a Browsteric acidor Lewis acid. The preparation method of chiral fused spirobiindane skeleton compound of the present invention does not need to adopt chiral starting materials or chiral resolving agents, does not require chiral resolving steps, is simple in method, is simple in post-treatment, and is economic and environment friendly. High product yield, high product optical purity and chemical purity.Type: GrantFiled: December 12, 2016Date of Patent: May 10, 2022Inventors: Kuiling Ding, Yuxi Cao, Zhiyao Zheng, Qinglei Chong, Zheng Wang
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Patent number: 11319274Abstract: The invention relates to a robust and reproducible process for the preparation of polymorph form B of treprostinil diethanolamine salt, comprising the following steps: a. treprostinil is dissolved in methanol, b. to the solution of step a) diethanolamine or its methanol solution is added, c. the reaction mixture of step b) is agitated till dissolution, d. when salt formation is completed in step c), first portion of an aprotic solvent is added to the solution, e. the solution of step d) is filtered to remove insoluble impurities, f. the filtrate of step e) is seeded with polymorph form B of treprostinil diethanolamine salt, g. to the crystal suspension obtained in step f) a second portion of the aprotic solvent is added, h. the suspension of step g) is agitated until crystallisation is completed, i. the crystals are separated, washed and dried.Type: GrantFiled: March 7, 2019Date of Patent: May 3, 2022Assignee: CHINOIN GYÓGYSZER ÉS VEGYÉSZETI TERMÉKEK GYÁRA ZRT.Inventors: Irén Hortobágyi, István Lászlófi, Zoltán Varga, Imre Juhász, Imola Ritz, Zsuzsanna Kardos
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Patent number: 11319282Abstract: The present invention provides a novel diamine compound capable of producing a polymer which exhibits greatly enhanced mechanical properties and heat resistance while maintaining transparency. A film including a polymer produced using the diamine compound has excellent transparency, heat resistance, mechanical strength and flexibility, and thus can be used in various fields, such as in a device substrate, a display cover substrate, an optical film, an Integrated circuit (IC) package, an adhesive film, a multi-layer flexible printed circuit (FPC), a tape, a touch panel and an optical disc protection film, and the like.Type: GrantFiled: August 11, 2017Date of Patent: May 3, 2022Assignee: LG CHEM, LTD.Inventors: Cheolmin Yun, Jun Sik Suh, Kyungjun Kim
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Patent number: 11299448Abstract: An active ester compound that can form a cured product having excellent dielectric properties and copper foil adhesion properties is provided, a curable composition including the active ester compound is provided, and a cured product of the curable composition is provided. Also provided are a semiconductor encapsulating material, a printed wiring board, and a build-up film formed by using the curable composition. Specifically, an active ester compound is provided which includes a fluorinated hydrocarbon structural moiety and a plurality of aromatic ester structural moieties in the structure of the molecule and includes an aryloxycarbonyl structure or an arylcarbonyloxy structure at an end of the molecule, a curable composition including the active ester compound, and a cured product of the curable composition, and also provided are a semiconductor encapsulation material, a printed wiring board, and a build-up film formed by using the curable composition.Type: GrantFiled: April 10, 2018Date of Patent: April 12, 2022Assignee: DIC CorporationInventors: Tatsuya Okamoto, Yutaka Satou
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Patent number: 11299451Abstract: A method for synthesizing 2-(1-cyclohexenyl)ethylamine. Cyclohexanone (II) is reacted with a Grignard reagent in a first organic solvent to produce 1-vinylcyclohexanol (III), which is then subjected to chlorination and rearrangement reaction with a chlorinating reagent in a second organic solvent in the presence of an organic base to synthesize (2-chloroethylmethylene)cyclolxane (IV). Then (2-chloroethylmethylene)cyclohexane (IV) and urotropine are subjected to quaternization in a third organic solvent to synthesize N-cyclohexylidene ethyl urotropine hydrochloride (V). Finally, the N-cyclohexylidene ethyl urotropine hydrochloride (V) undergoes hydrolysis and rearrangement reaction in a solvent in the presence of an inorganic mineral acid to synthesize 2-(1-cyclohexenyl)ethylamine (I).Type: GrantFiled: November 19, 2020Date of Patent: April 12, 2022Assignee: Fudan UniversityInventors: Fener Chen, Dang Cheng, Zedu Huang, Zhining Li, Meifen Jiang, Yuan Tao
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Patent number: 11286234Abstract: The present invention relates to phenyl urea derivatives useful for the treatment of inflammatory diseases, pharmaceutical compositions containing them and their use as tools or as pharmaceuticals as modulators of the N-formyl peptide receptor (FPR), including FPR1 and FPR2, or as selective agonists of the FPR1 receptor.Type: GrantFiled: March 28, 2017Date of Patent: March 29, 2022Assignee: Allergan, Inc.Inventors: Tien T. Duong, Richard L. Beard, Michael E. Garst
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Patent number: 11286236Abstract: Novel 85Rb-enriched rubidium salt compounds of general formula 1, below and novel compounds of general formula 2, below. Compositions that contain at least one of the novel compounds and optionally further contain an antitumor drug. Methods that entail administering such compounds and compositions to treat cancer, optionally in combination with a conventional form of cancer therapy, such as chemotherapy and radiation treatment. When administered with a conventional form of cancer therapy, the compounds and compositions of the invention may be administered before, simultaneously with, or after administration of the conventional form of cancer therapy.Type: GrantFiled: May 29, 2019Date of Patent: March 29, 2022Assignee: VECTOR VITALE IP LLCInventors: Peter Novak, Maxim Temnikov, Oleksandr Balakin
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Patent number: 11286232Abstract: Compositions that include cationic surfactants and methods of synthesizing compositions that include cationic surfactants. The surfactants include a quaternary amine and a saturated or unsaturated alkyl chain with 4 to 28 carbons. The surfactants can be generated by reacting a fatty acid modified with an amino alkyl group and an epihalohydrin in the presence of a base. The cationic surfactants can be generated by reacting a fatty acid modified with an amino alkyl group, an epihalohydrin, and a carboxylic acid. The cationic surfactants can be generated by reacting a carboxylic acid, an epihalohydrin, and a catalyst to afford a halo-substituted alkyl ester, followed by reacting the halo-substituted alky ester with a fatty acid modified with an amino alkyl group.Type: GrantFiled: July 29, 2020Date of Patent: March 29, 2022Assignee: Saudi Arabian Oil CompanyInventors: Xuan Zhang, Ming Han, Jinxun Wang
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Patent number: 11286230Abstract: The invention provides a method for synthesizing a compound of formula wherein each R independently represents an optionally substituted aryl, heteroaryl, alkyl, perfluoroalkyl, cycloalkyl, alkoxy, aryloxy, acyl, carboxyl, hydroxyl, halogen, amino, nitro, cyano, sulfo or sulfhydryl group, in ortho, meta or para position to the cycloalkylamine moiety; R1 and R2 each independently represents a hydrogen atom, a lower alkyl group or a cycloalkyl group; R3 represents a hydrogen group, substituted aryl, heteroaryl, alkyl, perfluoroalkyl, cycloalkyl, alkoxy, aryloxy group; Y represents an oxygen atom, a sulfur atom, a NH group, a NR4 group or a CH2 group; R4 represents a hydrogen atom or an alkyl, aryl or a heteroaryl group; and n and m each independently represents an integer from 1 to 5; or a pharmaceutically acceptable salt thereof; or a precursor thereof; wherein the method comprises one or more of the following steps: (a) reacting a compound of formula (II) wherein R, R3, Y, n and m are as defined abType: GrantFiled: June 9, 2020Date of Patent: March 29, 2022Assignee: UNIVERSITÉ DE LIÈGEInventors: Thomas Toupy, Romaric Gerardy, Jean-Christophe Monbaliu, Diego Collin, Victor-Emmanuel Kassin
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Patent number: 11279672Abstract: The present invention relates to an improved asymmetric synthesis of alpha-branched amines (hereafter referred to as the compound) and relative chiral amines (1?) or its pharmaceutically acceptable salt and derivatives. The process comprises an unusual substrate specific regioselective ortho lithiation of substituted arene compounds, followed by its highly diastereoselective addition to N-tert-butanesulfinylimines resulting in the selective formation of alpha-branched sulfinyl amine and chiral amine; which on subsequently removing the sulfinyl group provides corresponding alpha-branched amines or relative chiral amines (1?).Type: GrantFiled: April 17, 2019Date of Patent: March 22, 2022Assignee: PIRAMAL PHARMA LIMITEDInventors: Rajender Reddy Leleti, Sharadsrikar Kotturi, Yogesh Waman, Chirag Patel, Aditya Patwa, Rajesh Shenoy
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Patent number: 11279668Abstract: The present invention relates to an improved asymmetric synthesis of alpha-(diarylmethyl) alkyl amines (hereafter referred to as the compound (1)) or its pharmaceutically acceptable salt and derivatives. The process comprises an unusual substrate specific regioselective lithiation of alpha-diarylmethanes. followed by its highly diastereoselective addition to N-tert-butanesulfinylimines resulting in the selective formation of chiral alpha-(diarylmethyl) alkyl amines 4 and chiral amine 5; which on subsequently removing the sulfinyl group provides corresponding alpha-(diarylmethyl) alkyl amines (1) or relative chiral amines (1?).Type: GrantFiled: March 20, 2019Date of Patent: March 22, 2022Assignee: PIRAMAL PHARMA LIMITEDInventors: Rajender Reddy Leleti, Sharadsrikar Kotturi, Yogesh Waman, Chirag Patel, Rajesh Shenoy
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Patent number: 11274072Abstract: A process for the continuous preparation of 1,2-propylenediamine (1,2-PDA) and dimethyldiethylenetriamine (DMDETA) via reaction of monoisopropanolamine (MIPOA) with ammonia in the presence of hydrogen and a supported heterogeneous hydrogenation catalyst (catalyst), wherein the reaction is effected in the liquid phase at an absolute pressure in the range from 60 to 170 bar.Type: GrantFiled: November 19, 2018Date of Patent: March 15, 2022Assignee: BASF SEInventors: Christian Eidamshaus, Johann-Peter Melder, Joerg Pastre, Hans-Juergen Pallasch
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Patent number: 11261086Abstract: A process for the co-production of methanol and ammonia is described comprising the steps of: (a) forming a first synthesis gas stream by reacting a first portion of a hydrocarbon feedstock and steam in a steam reformer, (b) forming a second synthesis gas stream in parallel to the first synthesis gas stream by reacting a second portion of the hydrocarbon feedstock with an oxygen-containing gas and steam in an autothermal reformer, (c) synthesising methanol from a first process gas comprising the first synthesis gas stream, and (d) synthesising ammonia from a second process gas prepared from the second synthesis gas stream, wherein a purge stream containing hydrogen is recovered from the methanol synthesis step (c) and a portion of the purge gas stream is fed to the autothermal reformer and/or the second synthesis gas in step (b).Type: GrantFiled: November 29, 2018Date of Patent: March 1, 2022Assignee: Johnson Matthey Davy Technologies LimitedInventors: Alan Ingham, Madhanakrishnan Janardhanan, John David Pach, Kar Chi Yiu
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Patent number: 11254641Abstract: A preparation method according to the present invention makes it possible to industrially produce large amounts of highly pure optically active tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate in high yield by use of commercially available reagents and solvents. In addition, the use of novel intermediates according to the present invention makes it possible to produce highly pure optically active tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate in high yield.Type: GrantFiled: December 7, 2018Date of Patent: February 22, 2022Assignee: HK inno.N CorporationInventors: Jae Hong Kweon, Eun Sun Kim, Hyuk Woo Lee, Dong Hyun Ko, Chae Young Ryu, Kwang Do Choi, SeungPyeong Heo
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Patent number: 11254637Abstract: Disclosed herein are lignin-derived ionic liquids and methods for preparing them. The methods include forming a reaction mixture comprising a lignin-derived starting material, a carbonyl compound, and an amine; maintaining the reaction mixture under conditions sufficient to form a lignin-derived aminophenol; and converting the lignin derived aminophenol to the lignin-derived ionic liquid. Monomeric phenols, oligomeric phenols, and polymeric phenols can be used as lignin-derived starting materials.Type: GrantFiled: June 7, 2017Date of Patent: February 22, 2022Assignee: National Technology & Engineering Solutions of Sandia, LLCInventors: Tanmoy Dutta, Jian Sun, Blake A. Simmons, Seema Singh
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Patent number: 11224667Abstract: An object of the invention is to provide an 11C-labeled catechol derivative having sufficient radioactivity to obtain an imaging image by a PET apparatus, a PET probe of a phosphorylated tau aggregation inhibitor using the same, and a method for producing them. The 11C-labeled catechol derivative of the present invention is represented by the following general formula (a) (wherein R is a substituent having an isopropylamino group, and the carbon at the 2-position of the isopropylamino group is labeled with 11C).Type: GrantFiled: June 30, 2017Date of Patent: January 18, 2022Assignee: NATIONAL CENTER FOR GERIATRICS AND GERONTOLOGYInventors: Masaaki Suzuki, Kengo Ito, Takashi Kato, Hiroshi Ikenuma, Hiroko Koyama
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Patent number: 11225459Abstract: Disclosed is a composition and method for a therapeutic treatment that is able to combat neuroinflammation caused by diseases and disorders such as Alzheimer's disease, Parkinson's disease, and traumatic brain injury. The class of urea compounds acts by blocking at targeted receptors in the brain that contribute to the increase in inflammation. Combinations of receptors, H1 receptor, H2 receptor, dopamine transporter (DAT), and/or 5HT3C receptor, are individually and/or collectively inhibited by the same compositions of the present disclosure, and this ability leads to a decrease in brain edema. The DAT inhibitory effects additionally maintains dopamine levels in a patient.Type: GrantFiled: August 9, 2018Date of Patent: January 18, 2022Assignee: Texas Tech University SystemInventors: Nadezhda German, Mikelis Constantinos
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Patent number: 11225454Abstract: The present invention generally relates to processes for the catalytic hydrogenation of halonitroaromatics. In particular, the present invention includes processes for the catalytic hydrogenation of halonitroaromatics such as 2,5-dicloronitrobenzene to 2,5-dichloroaniline over a platinum-containing catalyst. The present invention also relates to processes for producing 3,6-dichloro-2-methoxybenzoic acid.Type: GrantFiled: January 16, 2020Date of Patent: January 18, 2022Assignee: Monsanto Technology LLCInventors: John H. Ahn, Kam-To Wan