Polycyclo Ring System Patents (Class 562/466)
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Patent number: 12180401Abstract: Water-soluble fluorescent polymeric dyes and polymeric tandem dyes are provided. The polymeric dyes include a water solvated light harvesting multi-chromophore having a conjugated segment of aryl and/or heteroaryl co-monomers. The molar ratio of the co-monomers can be adjusted to provide beneficial technical properties, such as increased water solubility and improved absorption and emission spectra. For instance, the conjugated segment can have a first co-monomer substituted with a water-soluble group (WSG) and a second co-monomer, wherein the first co-monomer is in an amount that is equal or greater than the amount of the second co-monomer, multi-chromophore. The polymeric tandem dyes further include a signaling chromophore covalently linked to the multi-chromophore in energy-receiving proximity therewith. Also provided are aggregation-resistant labeled specific binding members that include the subject water-soluble polymeric dyes.Type: GrantFiled: March 21, 2022Date of Patent: December 31, 2024Assignee: BECTON, DICKINSON AND COMPANYInventors: Yongchao Liang, Subodh Devendra Sonar
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Patent number: 12084534Abstract: Herein presented is a high electrical conductivity, uniform, material based on nanoparticles-Li+-polycarboxylate grafted few-layer graphene oxide including perovskite type nanoparticles for filler in polymeric matrices, in direct and reverse osmosis membranes, in lithium batteries, among others. The material is obtained by a method comprising the step of: preparation of a composite material having polymers with mono- or di-acid groups covalently bonded to graphene; optionally further comprising the preparation of a composite material with graphene covalently bonded to polymers having mono- or di-acid groups that have been replaced by lithium ion; and optionally further comprising the preparation of a composite material with graphene covalently bonded to polymers having mono- or di-acid groups that have been replaced by lithium ion in addition to grafted nanoparticles, including nanoparticles perovskite type.Type: GrantFiled: April 23, 2020Date of Patent: September 10, 2024Assignee: UNIVERSIDAD DE CHILEInventors: Héctor Esteban Aguilar Bolados, Mehrdad Yazdani-Pedram Zobeiri, Moises de Jesus Gallegos Cofre
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Patent number: 11996521Abstract: The present invention relates to an electrochemical device, more particularly to an electrochemical device including a first electrode, a second electrode spaced apart from the first electrode and an electrolyte filled between the first electrode and the second electrode, wherein the electrolyte comprises a salt form of a carbon quantum dot anion and a metal cation having an average diameter in the range of 2 to 12 nanometers (nm) and a surface potential of ?20 mV or less, the present invention provides an electrochemical device dramatically improving reliability, performance and durability by adopting an carbon quantum dot ion compound electrolyte having selective ion conductivity with a specific cation and suppressing side reactions caused by electrolyte as well as applicable in liquid, gel or solid phase.Type: GrantFiled: May 24, 2018Date of Patent: May 28, 2024Assignee: GRAPHENIDE TECHNOLOGY CO., LTD.Inventor: Hong Chul Lim
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Patent number: 11912876Abstract: Water solvated polymeric dyes and polymeric tandem dyes having a blue excitation spectrum are provided. The polymeric dyes are conjugated polymers that can include a thiophene-containing co-monomer. The polymeric tandem dyes further include a signaling chromophore covalently linked to the conjugated polymer in energy-receiving proximity therewith. Also provided are labelled specific binding members that include the subject polymeric dyes. Methods of evaluating a sample for the presence of a target analyte and methods of labelling a target molecule in which the subject polymeric dyes find use are also provided. Systems and kits for practicing the subject methods are also provided.Type: GrantFiled: December 18, 2020Date of Patent: February 27, 2024Assignee: BECTON, DICKINSON AND COMPANYInventors: Yongchao Liang, Haiqing Li, Brent S. Gaylord
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Patent number: 11723887Abstract: This present invention relates to an improved process to prepare prostacyclin derivatives. One embodiment provides for an improved process to convert benzindene triol to treprostinil via salts of treprostinil and to purify treprostinil.Type: GrantFiled: October 7, 2019Date of Patent: August 15, 2023Assignee: United Therapeutics CorporationInventors: Hitesh Batra, Sudersan M. Tuladhar, Raju Penmasta, David A. Walsh
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Patent number: 11686738Abstract: Methods, systems, and compositions featuring a solid, dissolvable reagent composition for delivering the reagent, such as an antibody, probe, chromogen, etc., to a sample. The present invention also features methods of producing said compositions, and automated systems featuring the use of the solid, dissolvable reagent compositions. The solid, dissolvable reagent composition may comprise a water-soluble polymer film, such as a polyvinyl alcohol film, infused with the reagent, wherein when applied to the sample, the water-soluble polymer film with reagent contacts the sample (e.g., tissue) and dissolves.Type: GrantFiled: September 28, 2021Date of Patent: June 27, 2023Assignee: Ventana Medical Systems, Inc.Inventors: Anisha Anand, Crystal L. Stephens, Natcha Suriyavirun
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Patent number: 11584825Abstract: Water-soluble photoactive polymers, included polymer tandem dyes, as described as well as methods for their preparation and use. The photoactive polymers can be prepared by direct modification of core polymers (e.g., violet excitable polymers) with dyes or other functional groups. Methods of detecting analytes using the polymers are also described.Type: GrantFiled: December 11, 2019Date of Patent: February 21, 2023Assignee: Beckman Coulter, Inc.Inventors: Arunkumar Easwaran, Sergei Gulnik, Massimiliano Tomasulo
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Patent number: 11487204Abstract: To provide a resist material that can form a film with high smoothness and uniformity and has high patterning performance, such as resolution, a resist material is provided that contains a calixarene compound (A) with a molecular structure represented by the following structural formula (1) and a resin component (B); wherein R1 denotes a perfluoroalkyl group or a structural moiety with a perfluoroalkyl group; R2 denotes a hydrogen atom, a polar group, a polymerizable group, or a structural moiety with a polar group or a polymerizable group; R3 denotes a hydrogen atom, an aliphatic hydrocarbon group that optionally has a substituent, or an aryl group that optionally has a substituent; n denotes an integer in the range of 2 to 10; and * denotes a bonding point with an aromatic ring.Type: GrantFiled: July 3, 2018Date of Patent: November 1, 2022Assignee: DIC CorporationInventors: Tomoyuki Imada, Shinya Yamamoto, Masanori Miyamoto
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Patent number: 11098001Abstract: Treprostinil is a synthetic prostacyclin derivative with thrombocyte aggregation inhibitory and vasodilatory activity. Treprostinil can be administered in subcutaneous, intravenous, inhalable, or oral forms. Disclosed is a method for the preparation of treprostinil of formula I and its amorphous form, anhydrate form, monohydrate form, and polyhydrate form salts with bases. In the disclosed method, the chiral center in the 3-hydroxyoctyl substituent is formed at the end of the synthesis, so that the method is robust and well scalable. Also disclosed are treprostinil intermediates and the preparation of the intermediates.Type: GrantFiled: April 29, 2019Date of Patent: August 24, 2021Assignee: CHINOIN GYÓGYSZER ÉS VEGYÉSZETI TERMÉKEK GYÁRA ZRT.Inventors: Imre Juhász, Irén Hortobágyi, Tamás Altsach, István Lászlófi, Ágnes Nagyné Borkó, Imre Rozsumberszki, Gábor Havasi, Zsuzsanna Kardos, Péter Buzder-Lantos
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Patent number: 10548863Abstract: This present invention relates to an improved process to prepare prostacyclin derivatives. One embodiment provides for an improved process to convert benzindene triol to treprostinil via salts of treprostinil and to purify treprostinil.Type: GrantFiled: February 2, 2017Date of Patent: February 4, 2020Assignee: United Therapeutics CorporationInventors: Hitesh Batra, Sudersan M. Tuladhar, Raju Penmasta, David A. Walsh
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Patent number: 10478410Abstract: This present invention relates to an improved process to prepare prostacyclin derivatives. One embodiment provides for an improved process to convert benzindene triol to treprostinil via salts of treprostinil and to purify treprostinil.Type: GrantFiled: February 2, 2017Date of Patent: November 19, 2019Assignee: United Therapeutics CorporationInventors: Hitesh Batra, Sudersan M. Tuladhar, Raju Penmasta, David A. Walsh
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Patent number: 10322099Abstract: This present invention relates to an improved process to prepare prostacyclin derivatives. One embodiment provides for an improved process to convert benzindene triol to treprostinil via salts of treprostinil and to purify treprostinil.Type: GrantFiled: March 10, 2017Date of Patent: June 18, 2019Assignee: UNITED THERAPEUTICS CORPORATIONInventors: Hitesh Batra, Sudersan M. Tuladhar, Raju Penmasta, David A. Walsh
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Patent number: 10321695Abstract: A composition includes hesperdin and/or a Lamiaceae extract wherein a majority of the volatile components have been removed from the Lamiaceae extract. A method for applying the composition to a food such as meat, fish or poultry, including processed and fresh or unprocessed meat, poultry and fish is also provided.Type: GrantFiled: February 6, 2015Date of Patent: June 18, 2019Assignee: NATUREX S.A.Inventors: Simona Birtic, Mélanie Marie-Paule Patricia Heudre, François-Xavier Henri Pierre, Xavier Pierre François Mesnier, Anne Passemard, Antoine Charles Bily, Marc Roller
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Patent number: 10226066Abstract: Provided are smoking products and methods of preparing smoking products that include tobacco and a deflavored rosemary or a heat-treated rosemary. The deflavored and/or heat-treated rosemary may have been previously heated at a temperature and a time sufficient to reduce or remove flavorant components compared to the use of untreated rosemary. The heated rosemary may include one or more pentacyclic triterpenoid acids such as betulinic, betul-18-enoic, oleanolic, and ursolic acids.Type: GrantFiled: March 7, 2016Date of Patent: March 12, 2019Assignee: R.J. REYNOLDS TOBACCO COMPANYInventors: Serban C. Moldoveanu, Wayne Allen Scott
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Patent number: 9988334Abstract: Provided are novel treprostinil salts as well as methods for making treprostinil salts.Type: GrantFiled: June 6, 2017Date of Patent: June 5, 2018Assignee: United Therapeutics CorporationInventors: Hitesh Batra, Vijay Sharma, Sanmin Yang, Yi Zhang
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Patent number: 9701611Abstract: Provided are novel treprostinil salts as well as methods for making treprostinil salts.Type: GrantFiled: November 23, 2016Date of Patent: July 11, 2017Assignee: United Therapeutics CorporationInventors: Hitesh Batra, Vijay Sharma, Sanmin Yang, Yi Zhang
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Patent number: 9604901Abstract: This present invention relates to an improved process to prepare prostacyclin derivatives. One embodiment provides for an improved process to convert benzindene triol to treprostinil via salts of treprostinil and to purify treprostinil.Type: GrantFiled: June 30, 2015Date of Patent: March 28, 2017Assignee: United Therapeutics CorporationInventors: Hitesh Batra, Sudersan M. Tuladhar, Raju Penmasta, David A. Walsh
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Patent number: 9593066Abstract: This present invention relates to an improved process to prepare prostacyclin derivatives. One embodiment provides for an improved process to convert benzindene triol to treprostinil via salts of treprostinil and to purify treprostinil.Type: GrantFiled: September 10, 2015Date of Patent: March 14, 2017Assignee: United Therapeutics CorporationInventors: Hitesh Batra, Sudersan M. Tuladhar, Raju Penmasta, David A. Walsh
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Patent number: 9278903Abstract: Provided are a crystal form A of a compound having the structure as represented by formula I, and preparation method and use thereof. The X-ray powder diffraction (XRPD) chart of the crystal form A has characteristic peaks at the following diffraction angles: 2.9±0.2°, 13.6±0.2°, 17.3±0.2° and 18.6±0.2°.Type: GrantFiled: January 10, 2013Date of Patent: March 8, 2016Assignee: Shanghai Techwell Biopharmaceutical Co., Ltd.Inventors: Zhijun Tang, Yubin Liu, Bingming He, Jun Yang, Xiaoming Ji
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Patent number: 9278902Abstract: Provided are a crystal form B of a compound having the structure as represented by formula I, and preparation method and use thereof. The X-ray powder diffraction (XRPD) chart of the crystal form B has characteristic peaks at the following diffraction angles: 2.9±0.2°, 6.5±0.2°, 12.6±0.2°, 13.1±0.2° and 20.6±0.2°.Type: GrantFiled: January 10, 2013Date of Patent: March 8, 2016Assignee: Shanghai Techwell Biopharmaceutical Co., Ltd.Inventors: Zhijun Tang, Yubin Liu, Bingming He, Jun Yang, Xiaoming Ji
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Publication number: 20150148347Abstract: A compound of formula I, wherein the groups R1, R2, R3, X, m, and n are defined as in claim 1, which have valuable pharmacological properties, in particular bind to the GPR40 receptor and modulate its activity. The compounds are suitable for treatment and prevention of diseases which can be influenced by this receptor, such as metabolic diseases, in particular diabetes type 2. Furthermore, the invention relates to novel intermediates, useful for the synthesis of compounds of formula I.Type: ApplicationFiled: November 25, 2014Publication date: May 28, 2015Inventors: Iain LINGARD, Dieter HAMPRECHT
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Publication number: 20150141506Abstract: Compounds particularly for use in an autoimmune inflammatory disease and especially the treatment of inflammatory bowel disease have the absolute stereochemistry and formula: In some cases R1 is leucine and R is selected from: OH, OCH3, OCH2CH3, OCH2CH2CH3, NH2, NHCH2CH2OH, NHCH3, N(CH3)2, NH(4-OH-3-benzoic acid).Type: ApplicationFiled: May 23, 2013Publication date: May 21, 2015Inventors: Neil Frankish, Helen Sheridan
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Publication number: 20150141662Abstract: The present invention relates to methods of preparing fused ring indeno compounds that involves reacting together a dienophile and a lactone compound, in the presence of a catalyst, and a carboxylic acid anhydride.Type: ApplicationFiled: November 20, 2013Publication date: May 21, 2015Applicant: Transitions Optical, Inc.Inventors: Meng He, Massimiliano Tomasulo, Allison Greene, Anil Kumar
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Publication number: 20150111891Abstract: The invention provides compounds and salts thereof as d herein. The invention also provides pharmaceutical compositions comprising a compound disclosed herein, processes for preparing compounds disclosed herein, intermediates useful for preparing compounds disclosed herein and therapeutic methods for treating an HIV infection, treating the proliferation of the HIV virus, treating AIDS or delaying the onset of AIDS or ARC symptoms in a mammal using compounds disclosed herein.Type: ApplicationFiled: January 3, 2013Publication date: April 23, 2015Applicant: Gilead Sciences, Inc.Inventors: Kerim Babaoglu, Gediminas Brizgys, Hongyan Guo, Paul Hrvatin, Eric Lansdon, John O. Link, Hongtao Liu, Ryan McFadden, Michael L. Mitchell, Yingmei Qi, Paul A. Roethle, Randall W. Vivian, Lianhong Xu, Hong Yang
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Publication number: 20150105582Abstract: The present invention is directed to a novel method for preparing a synthetic intermediates for treprostinil. Also described are methods of preparing treprostinil comprising utilizing novel intermediates described herein as well as novel intermediates useful for synthesis prostacyclin derivatives, such as treprostinil.Type: ApplicationFiled: December 16, 2014Publication date: April 16, 2015Applicant: United Therapeutics CorporationInventors: Hitesh Batra, Raju Penmasta, Vijay Sharma, Sudersan M. Tuladhar, David A. Walsh
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Publication number: 20150094330Abstract: The invention provides compositions and methods for wound healing and scar reduction. The compositions and methods of the invention include at least one EP4 agonist set forth herein. Wounds and or scars that can be treated by the compositions and methods of the invention can arise from events such as surgery, trauma, disease, mechanical injury, burn, radiation, poisoning, and the like.Type: ApplicationFiled: September 26, 2014Publication date: April 2, 2015Inventors: Yariv Donde, Jeremiah H. Nguyen
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Patent number: 8987334Abstract: The invention relates to the use of calixarenes for preventing or limiting the transfer of an actinide in the body from a site of skin contamination.Type: GrantFiled: December 17, 2009Date of Patent: March 24, 2015Assignee: Institut de Radioprotection et de Surete NucleaireInventors: Aurélie Spagnul, François Rebiere, Guillaume Phan, Céline Bouvier-Capely, Elias Fattal
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Publication number: 20150064455Abstract: This invention relates to the direct grafting of a calixarene mostly onto the surface of a material, as well as to a grafting process, and certain calixarene intermediates useful for carrying the grafting process.Type: ApplicationFiled: March 28, 2013Publication date: March 5, 2015Inventors: Ivan Jabin, Alice Mattiuzzi, Corlnne Lagrost, Philippe Hapiot, Olivia Reinaud
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Publication number: 20150030980Abstract: A radiation-sensitive composition containing a resist compound having a high sensitivity, a high resolution, a high etching resistance, and a low outgas which forms a resist pattern with a good shape is described.Type: ApplicationFiled: August 28, 2014Publication date: January 29, 2015Inventors: Masatoshi ECHIGO, Dai OGURO
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Patent number: 8940930Abstract: The present invention is directed to a novel method for preparing a synthetic intermediates for treprostinil. Also described are methods of preparing treprostinil comprising utilizing novel intermediates described herein as well as novel intermediates useful for synthesis prostacyclin derivatives, such as treprostinil.Type: GrantFiled: March 30, 2012Date of Patent: January 27, 2015Assignee: United Therapeutics CorporationInventors: Hitesh Batra, Raju Penmasta, Vijay Sharma, Sudersan M. Tuladhar, David A. Walsh
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Publication number: 20150011637Abstract: Provided are a crystal form B of a compound having the structure as represented by formula I, and preparation method and use thereof. The X-ray powder diffraction (XRPD) chart of the crystal form B has characteristic peaks at the following diffraction angles: 2.9±0.2°, 6.5±0.2°, 12.6±0.2°, 13.1±0.2° and 20.6±0.2°.Type: ApplicationFiled: January 10, 2013Publication date: January 8, 2015Inventors: Zhijun Tang, Yubin Liu, Bingming He, Jun Yang, Xiaoming Ji
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Publication number: 20150005384Abstract: Provided are a crystal form A of a compound having the structure as represented by formula I, and preparation method and use thereof. The X-ray powder diffraction (XRPD) chart of the crystal form A has characteristic peaks at the following diffraction angles: 2.9±0.2°, 13.6±0.2°, 17.3±0.2° and 18.6±0.2°.Type: ApplicationFiled: January 10, 2013Publication date: January 1, 2015Inventors: Zhijun Tang, Yubin Liu, Bingming He, Jun Yang, Xiaoming Ji
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Publication number: 20140343079Abstract: The invention provides compounds of formulae (I), (II), (III), and (IV): and salts thereof, as well as pharmaceutical compositions comprising such compounds. The compounds are useful for treating cancers and Alzheimer's disease.Type: ApplicationFiled: September 13, 2012Publication date: November 20, 2014Applicants: Behalf of Arizona State UniversityInventors: Carl E. Wagner, Peter W. Jurutka, Pamela A. Marshall
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ACYLAMINO-SUBSTITUTED FUSED CYCLOPENTANECARBOXYLIC ACID DERIVATIVES AND THEIR USE AS PHARMACEUTICALS
Publication number: 20140309264Abstract: The present invention relates to compounds of the formula I, wherein A, Y, Z, R3 to R6, R20 to R22 and R50 have the meanings indicated in the claims, which are valuable pharmaceutical active compounds. Specifically, they are inhibitors of the endothelial differentiation gene receptor 2 (Edg-2, EDG2), which is activated by lysophosphatidic acid (LPA) and is also termed as LPA1 receptor, and are useful for the treatment of diseases such as atherosclerosis, myocardial infarction and heart failure, for example. The invention furthermore relates to processes for the preparation of the compounds of the formula I, their use and pharmaceutical compositions comprising them.Type: ApplicationFiled: June 25, 2014Publication date: October 16, 2014Inventors: Matthias SCHAEFER, Josef PERNERSTORFER, Dieter KADEREIT, Hartmut STROBEL, Werngard CZECHTIZKY, L. Charlie CHEN, Alena SAFAROVA, Aleksandra WEICHSEL, Marcel PATEK -
Publication number: 20140296270Abstract: Small molecule inhibitors of Stat3 and their derivatives are disclosed. Also described are methods to inhibit cell growth by use of Stat3 inhibitors, and the use of Stat3 inhibitors for the prevention and/or treatment of cancer. Further, inhibitors of Stat3 that also do not inhibit Stat1 are described as well as their derivatives. Methods of screening additional compounds for Stat3 inhibition activity and/or non-inhibition of Stat1 activity are also described herein.Type: ApplicationFiled: April 15, 2014Publication date: October 2, 2014Applicant: Baylor College of MedicineInventors: David J. Tweardy, Xuejun Xu, Moses M. Kasembeli
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Publication number: 20140275616Abstract: Provided are novel treprostinil salts as well as methods for making treprostinil salts.Type: ApplicationFiled: March 10, 2014Publication date: September 18, 2014Applicant: United Therapeutics CorporationInventors: Hitesh Batra, Vijay Sharma, Sanmin Yang, Yi Zhang
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Publication number: 20140275262Abstract: There is provided individual polymorphic forms of treprostinil and pharmaceutical formulations comprising the same, methods of making and using the sameType: ApplicationFiled: March 7, 2014Publication date: September 18, 2014Applicant: United Therapeutics CorporationInventors: Ken Phares, Michael Scannell
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Publication number: 20140256730Abstract: Compounds represented by formulae I, II, III, and IV including pro-drugs for treprostinil and prostacyclin analogs. Uses include treatment of pulmonary hypertension (PH) or pulmonary arterial hypertension (PAH). The structures of the compounds can be adapted to the particular application for a suitable treatment dosage. Transdermal applications can be used.Type: ApplicationFiled: January 13, 2014Publication date: September 11, 2014Applicant: Corsair Pharma, Inc.Inventors: Cyrus K. BECKER, Jürg R. PFISTER, Gwenaella RESCOURIO, Meenakshi S. VENKATRAMAN, Xiaoming ZHANG
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Publication number: 20140231717Abstract: The present invention provides a compound that has high solubility in a highly polar solvent and is usefully usable for an application method using a highly polar solvent, the compound that can manufacture an electroluminescent device having high light-emitting efficiency. Specifically, the present invention provides a compound containing a structure represented by Formula (1): wherein: Ar1, Ar2, Ar3, and Ar4 each independently represent a divalent aromatic group optionally having substituent(s); Ar5 represents a monovalent aromatic group optionally having substituent(s); p and q each independently represent an integer of 0 or more; and R1 represents a given monovalent group.Type: ApplicationFiled: October 11, 2012Publication date: August 21, 2014Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Ken Sakakibara, Masanobu Tanaka, Rui Ishikawa, Hideyuki Higashimura
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Patent number: 8748657Abstract: This present invention relates to an improved process to prepare prostacyclin derivatives. One embodiment provides for an improved process to convert benzindene triol to treprostinil via salts of treprostinil and to purify treprostinil.Type: GrantFiled: June 5, 2013Date of Patent: June 10, 2014Assignee: United Therapeutics CorporationInventors: Hitesh Batra, Sudersan M. Tuladhar, Raju Penmasta, David A. Walsh
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Patent number: 8722938Abstract: The present invention relates to arylated camphenes, processes for their preparation and uses thereof for the manufacture of medicaments for the treatment of diseases, disorders or conditions associated with, or benefiting from stimulation of CB2 receptors.Type: GrantFiled: November 18, 2010Date of Patent: May 13, 2014Inventors: Raphael Mechoulam, Lital Magid, Esther Shohami, Itai Bab
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Publication number: 20140128466Abstract: Described are compounds of the structural formula (I): Also provided are pharmacologically acceptable isomers and salts of the compound of (I). The compounds are useful in the treatment of inflammatory bowel disease.Type: ApplicationFiled: July 20, 2012Publication date: May 8, 2014Applicant: VENANTIUS LIMITEDInventors: Neil Frankish, Helen Sheridan
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Publication number: 20140107194Abstract: Compounds particularly for use in an autoimmune inflammatory disease and especially the treatment of inflammatory bowel disease have the formula: wherein R is selected from one or more of the same or different of hydrogen, hydroxyl, optionally substituted alkyl, optionally substituted aryl, alkoxy, aryloxy, thiol, and optionally substituted amino, and wherein R1 is selected from one or more of the same or different of hydrogen, acetyl, optionally substituted alkyl, optionally substituted aryl, and an amino acid selected from leucine, valine, isoleucine, and glycine.Type: ApplicationFiled: July 20, 2012Publication date: April 17, 2014Applicant: Venantius LimitedInventors: Neil Frankish, Helen Sheridan
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Publication number: 20140039131Abstract: An electronic device that serves as a high-brightness electroluminescent device includes a layer containing a polymer compound having one or more structural units selected from a structural unit represented by formula (1) and a structural unit represented by formula (14) as a charge injection layer and/or a charge transport layer: wherein Ar1 and Ar2 represent certain fused polycyclic aromatic groups; R1, R2, R6 and R7 represent certain organic groups; m1, m2 and m6 represent an integer of 1 or more; m7 represents an integer of 0 or more; and when R1, R2, R6 and R7 are each plurally present, they each may be the same or different.Type: ApplicationFiled: March 27, 2012Publication date: February 6, 2014Applicant: Sumitomo Chemical Company, LimitedInventors: Masanobu Tanaka, Rui Ishikawa, Norifumi Kobayashi, Ken Sakakibara, Hideyuki Higashimura
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Publication number: 20140024856Abstract: Disclosed is a process for preparing a treprostinil salt. The process involves the step of dissolving treprostinil in a water-miscible organic solvent to form a treprostinil solution. The treprostinil solution is reacted with an aqueous basic solution containing an alkali metal cation to form treprostinil salt. Allowing crystallization of the treprostinil salt to take place, and then collecting the treprostinil salt formed.Type: ApplicationFiled: December 22, 2011Publication date: January 23, 2014Applicant: ALPHORA RESEARCH INC.Inventors: Walter Giust, Fabio Souza, Jan Oudenes, Boris Gorin, Elena Bejan
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Publication number: 20130345471Abstract: The compound according to Formula I is an intermediate in the synthesis of prostacylin analogs. The present invention provides an efficient method for synthesizing a Formula I compound.Type: ApplicationFiled: March 1, 2012Publication date: December 26, 2013Inventor: Vijay Sharma
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Publication number: 20130324514Abstract: The present invention relates to compounds of general formula I, wherein the groups R1, R2, R3, m and n are defined as in claim 1, which have valuable pharmacological properties, in particular bind to the GPR40 receptor and modulate its activity. The compounds are suitable for treatment and prevention of diseases which can be influenced by this receptor, such as metabolic diseases, in particular diabetes type 2. Furthermore, the invention relates to novel intermediates, useful for the synthesis of compounds of formula I.Type: ApplicationFiled: May 22, 2013Publication date: December 5, 2013Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBHInventors: Dieter HAMPRECHT, Sara FRATTINI, Iain LINGARD, Stefan PETERS
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Publication number: 20130303798Abstract: A production process for substituted phenylacetic acids or ester analogues thereof is disclosed. In this process toluene or toluene substituted with various substituents, an alcohol, an oxidant and carbon monoxide are used as raw materials to obtain compounds comprising structure of phenylacetic acid ester or analogues thereof by catalysis of the complex catalyst formed from transition metal and ligand, and such compounds are hydrolyzed to obtain various substituted phenylacetic acid based compounds. This type of compounds and their derivatives serve as important fine chemicals used widely in the industries of pharmaceuticals, pesticides, perfume and the like.Type: ApplicationFiled: December 20, 2012Publication date: November 14, 2013Applicant: Lanzhou Institute of Chemical Physics, Chinese Academy of SciencesInventor: Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences
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Publication number: 20130289304Abstract: This present invention relates to an improved process to prepare prostacyclin derivatives. One embodiment provides for an improved process to convert benzindene triol to treprostinil via salts of treprostinil and to purify treprostinil.Type: ApplicationFiled: July 2, 2013Publication date: October 31, 2013Inventors: Hitesh Batra, Sudersan M. Tuladhar, Raju Penmasta, David A. Walsh
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Publication number: 20130281652Abstract: The present invention relates to compounds of formula I, which are functionalized phenolic compounds, and polymers formed from the same. Ar—[O—(X)p—R?]q??I Polymers formed from the functionalized phenolics are expected to have controllable degradation profiles, enabling them to release an active component over a desired time range. The polymers are also expected to be useful in a variety of medical applications.Type: ApplicationFiled: October 17, 2012Publication date: October 24, 2013Inventor: Rao S. Bezwada