Carbocyclic Ring Bonded Directly To The Carbon Of The -c(=x)x- Group Patents (Class 556/132)
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Patent number: 11185843Abstract: A zirconium metal-organic framework, which is a coordination product formed between zirconium ion clusters and a linker that links together adjacent zirconium ion clusters, wherein the linker is of formula (I) wherein R1 is hydrogen or an optionally substituted alkyl, and R2 to R4 are independently hydrogen, an optionally substituted alkyl, an optionally substituted aryl, or an optionally substituted arylalkyl. A method of capturing CO2 from a gas mixture with the zirconium metal-organic framework.Type: GrantFiled: November 7, 2019Date of Patent: November 30, 2021Assignee: King Fahd University of Petroleum and MineralsInventors: Muhammad Usman, Aasif Helal
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Patent number: 10393723Abstract: A computer-implemented method of characterizing metal content and chemical composition of crude oil, including determining at least one respective organometallic class and subclass derived from physical and chemical property data for each organometallic class and crude oil physical and chemical property data and at least one segment type and segment number range of the segment type bound to each organometallic subclass. The method determines a relative ratio of each organometallic class and subclass that forms a chemical composition representative of the given crude oil, such that the determined relative ratio and the determined respective organometallic class and subclass, segment type, and segment number range form a characterization of the metal content and the chemical composition of the given crude oil, resulting in a display, as output to an end-user, of the formed characterization of the metal content and the chemical composition of the given crude oil.Type: GrantFiled: February 18, 2016Date of Patent: August 27, 2019Assignee: ASPEN TECHNOLOGY, INC.Inventors: Suphat Watanasiri, Shu Wang, Lili Yu
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Patent number: 10150095Abstract: Disclosed herein are metal-organic frameworks (MOF) and uses thereof, including those comprising a repeat unit of the formula [Cu2L(H2O)2]-5DMF-3H2O, wherein L is a ligand of the formula: These are useful for many applications, including in the purification of hydrogen gas from production byproducts CH4 and CO2, sensing, heterogeneous catalysis, drug delivery, lithium sulfide battery, membrane and analytical devices.Type: GrantFiled: March 20, 2015Date of Patent: December 11, 2018Assignee: THE BOARD OF REGENTS OF THE UNIVERSITY OF TEXAS SYSTEMInventors: Banglin Chen, Bin Li, Hui-Min Wen
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Patent number: 9174945Abstract: The present invention is related to rosuvastatin zinc salt of the Formula (I), process for preparation thereof and medicinal products containing said salt. Rosuvastatin zinc salt according to the present invention is prepared by reacting rosuvastatin with a zinc alcoholate, zinc enolate or an inorganic or organic zinc salt and isolating the thus obtained rosuvastatin zinc salt (2:1).Type: GrantFiled: April 12, 2007Date of Patent: November 3, 2015Assignee: EGIS GYOGYSZERGYAR NYILVANOSAN MUKODO RESZVENYTARSASAGInventors: Pal Vago, Gyula Simig, Gyoergy Clementis, Peter Toempe, Sandorne Tapai
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Patent number: 8916722Abstract: The disclosure provides multivariate metal organic frameworks comprising different functional ligands.Type: GrantFiled: June 18, 2010Date of Patent: December 23, 2014Assignee: The Regents of the University of CaliforniaInventors: Omar M. Yaghi, Christian J. Doonan, Hexiang Deng
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Patent number: 8841471Abstract: The disclosure provides metal organic frameworks comprising exception porosity.Type: GrantFiled: September 24, 2010Date of Patent: September 23, 2014Assignees: The Regents of the University of California, Foundation of Soongsil University-Industry CooperationInventors: Omar M. Yaghi, Jaheon Kim, Nakeun Ko, Sang Beom Choi, Hiroyasu Furukawa
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Publication number: 20140205846Abstract: Described herein are multi-dimensional networks that can include a recurring unit of Formula (I) and a recurring unit of Formula (II), and methods of synthesizing and using the same.Type: ApplicationFiled: December 21, 2011Publication date: July 24, 2014Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIAInventors: Eric McFarland, Omar Yaghi, Hexiang Deng, Dani Peri
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Patent number: 8633331Abstract: The present invention relates to nanocomposite materials comprising: graphite-based material dispersed among transition metal-organic framework (MOF) units, wherein the graphite-based material is chemically linked to MOF units; wherein the graphite-based material is present in the range of about 5 wt. % to about 60 wt. % of the composite material.Type: GrantFiled: September 10, 2010Date of Patent: January 21, 2014Assignee: Research Foundation of the City University of New YorkInventors: Teresa J. Bandosz, Camille Petit
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Patent number: 8552189Abstract: A hybrid porous material including at least a first and a second porous material portion which are chemically bonded to each other and are each a different type of material.Type: GrantFiled: August 10, 2010Date of Patent: October 8, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Kyo-sung Park, Seon-ah Jin, Hyun-chul Lee
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Publication number: 20130096210Abstract: The disclosure relates to metal organic frameworks or isoreticular metal organic frameworks, methods of production thereof, and methods of use thereof.Type: ApplicationFiled: October 12, 2012Publication date: April 18, 2013Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIAInventor: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
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Patent number: 8415493Abstract: The subject invention pertains to metal organic frameworks (MOF) having zeolite-net-like topology, their methods of use, and their modes of synthesis. The ZMOFs are produced by combining predesigned tetrahedral building, generated in situ using heterochelation, with polyfunctional ligands that have the commensurate angle and the required donor groups for the chelation. Each molecular building block is contrasted of a single metal ion and ligands with both heterochelation functionality and bridging functionality. Advantageously, zeolite-net-like MOFs of the subject invention are porous and contain large functional cavities, which is useful for encapsulating large molecules.Type: GrantFiled: April 24, 2006Date of Patent: April 9, 2013Assignee: University of South FloridaInventors: Mohamed Eddaoudi, Yunling Liu
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Publication number: 20120259135Abstract: The disclosure provides multivariate metal organic frameworks comprising different functional ligands.Type: ApplicationFiled: June 18, 2010Publication date: October 11, 2012Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIAInventors: Omar M. Yaghi, Christian J. Doonan, Hexiang Deng
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Patent number: 8269029Abstract: Microwave assisted synthesis may be used to produce water-repellent metallic organic frameworks (MOFs) molecules. The water-repellent MOFs contain non-polar functional groups, such as a trifluoromethoxy group, which has a strong water repellent effect. The water-repellent MOF, when exposed to water vapor for one week does not result in a significant X-ray power pattern change. The water-repellent MOFs may be suitable as an adsorbent in many industrial applications, such as gas chromatography.Type: GrantFiled: April 8, 2009Date of Patent: September 18, 2012Assignee: The Board of Trustees of the University of IllinoisInventors: Richard I Masel, Zheng Ni, Qingmei Chen
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Publication number: 20120189569Abstract: This invention relates to complexes of certain divalent and polyvalent d-orbital metals of first transition series of the Periodic Table of Elements, from Group IV to Group VI, and including molybdenum, having a hydroxy acid [HA] and an amino acid [AA] moiety concurrently bound to a single said metal and having a spirocyclic, bidentate chelate structure of formula (I). Upon topical application said metal complexes undergo enhanced skin penetration without causing skin irritation.Type: ApplicationFiled: April 5, 2012Publication date: July 26, 2012Applicant: BIODERM RESEARCHInventor: SHYAM K. GUPTA
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Publication number: 20120172612Abstract: The disclosure provides metal organic frameworks comprising exception porosity.Type: ApplicationFiled: September 24, 2010Publication date: July 5, 2012Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIAInventors: Omar M. Yaghi, Jaheon Kim, Nakeun Ko, Sang Beom Choi, Hiroyasu Furukawa
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Patent number: 8198321Abstract: The invention relates to a terpenic composition for use as an anti-micro-organism or anti-viral agent comprising a cyclic terpenic compound obtained from a terpene of the general formula (C5H8)n, n being in the range of 2 to 5; and to a vector-forming organic substance, associated to the said cyclic terpenic compound.Type: GrantFiled: November 16, 2007Date of Patent: June 12, 2012Inventor: Aurèle Henri Mannarini
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Patent number: 8163949Abstract: A method of electrochemically preparing a crystalline, porous, metal-organic framework material comprising at least one at least bidentate organic compound coordinately bound to at least one metal ion, in a reaction medium comprising the at least one bidentate organic compound, wherein at least one metal ion is provided in the reaction medium by the oxidation of one anode comprising the corresponding metal.Type: GrantFiled: January 10, 2011Date of Patent: April 24, 2012Assignee: BASF AktiengesellschaftInventors: Ulrich Mueller, Hermann Puetter, Michael Hesse, Markus Schubert, Helge Wessel, Juergen Huff, Marcus Guzmann
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Publication number: 20120031268Abstract: This disclosure relates to porous frameworks for ethylene oxide separation and recovery.Type: ApplicationFiled: February 1, 2010Publication date: February 9, 2012Applicants: BASF SE, THE REGENTS OF THE UNIVERSITY OF CALIFORNIAInventors: Omar M. Yaghi, David Kyle Britt, Alexander U. Czaja
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Publication number: 20120003475Abstract: A method for synthesizing particulate or loosely agglomerated nano-metal organic framework crystals having an average particle size less than 100 nm. A base compound is added to a solution of a metal salt and an organic polydentate ligand with thorough stirring at a temperature between about 15° C. and about 30° C. for a time less than about 4 hours.Type: ApplicationFiled: June 30, 2010Publication date: January 5, 2012Applicant: UOP LLCInventors: Annabelle BENIN, Richard R. Willis
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Publication number: 20110277767Abstract: This disclosure relates to porous frameworks for gas separation and sensing.Type: ApplicationFiled: December 18, 2009Publication date: November 17, 2011Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIAInventors: Omar M. Yaghi, David Kyle Britt, David J. Tranchemontagne
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Publication number: 20110217217Abstract: The present invention relates to nanocomposite materials comprising: graphite-based material dispersed among transition metal-organic framework (MOF) units, wherein the graphite-based material is chemically linked to MOF units; wherein the graphite-based material is present in the range of about 5 wt. % to about 60 wt. % of the composite material.Type: ApplicationFiled: September 10, 2010Publication date: September 8, 2011Applicant: The Research Foundation of the City University of New YorkInventors: Teresa J. Bandosz, Camille Petit
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Publication number: 20110178320Abstract: A gas adsorption material has a three-dimensional structure wherein a ligand (p-hydroxybenzoic acid) having an aromatic ring as a principal skeleton containing, a carboxyl group and a functional group capable of forming a coordinate bond, the functional group being other than the carboxyl group, and a metal nucleus (Zn) are bonded to each other at a ratio of 1:1. The ligand contains a functional hydroxyl group other than the carboxyl group, and the carboxyl group and the functional group other than the carboxyl group are bonded in at least one position to the metal nucleus. The gas adsorption material is produced by drying a precursor obtained by reacting the ligand and the metal nucleus, dissolving the dried precursor in an organic solvent, heating and stirring a resultant solution to form a three-dimensional structure that includes the organic solvent as a crystal solvent, and removing the crystal solvent.Type: ApplicationFiled: March 29, 2011Publication date: July 21, 2011Applicant: NGK Insulators, Ltd.Inventors: Masahiro FURUKAWA, Masashi Goto
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Publication number: 20110105776Abstract: A method of electrochemically preparing a crystalline, porous, metal-organic framework material comprising at least one at least bidentate organic compound coordinately bound to at least one metal ion, in a reaction medium comprising the at least one bidentate organic compound, wherein at least one metal ion is provided in the reaction medium by the oxidation of one anode comprising the corresponding metal.Type: ApplicationFiled: January 10, 2011Publication date: May 5, 2011Applicant: BASF AktiengesellschaftInventors: Ulrich MĂ¼ller, Hermann PĂ¼tter, Michael Hesse, Markus Schubert, Helge Wessel, JĂ¼rgen Huff, Marcus Guzmann
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Publication number: 20110009272Abstract: The present invention relates to a water-absorbing composition comprising water-absorbing polymer structures and a compound of the structure I in which R1, R2, R3 and R4 can be identical or different and in each case represent a hydrogen atom, a halogen atom, a C1- to C4-hydrocarbon group or a hydroxyl group, R5 represents a hydrogen atom, a C1- to C4-hydrocarbon group or an acetyl group, n represents an integer chosen from the group consisting of 1, 2 or 3 and Mn+ represents an n-valent metal cation or an H+ cation. The present invention also relates to a process for the preparation of a water-absorbing composition, the water-absorbing composition obtainable by this process, a composite, a process for the production of a composite, the composite obtainable by this process, and products, such as hygiene articles.Type: ApplicationFiled: February 27, 2009Publication date: January 13, 2011Inventors: Laurent Wattebled, Franck Furno
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Patent number: 7847115Abstract: The present invention relates to a process for preparing porous organic frameworks by reaction of a reaction mixture in a liquid phase comprising the appropriate starting compounds in the presence of a nonaqueous organic solvent in the presence of and/or with liberation of water, wherein the latter is withdrawn from the liquid phase of the reaction mixture during the reaction. Here, frameworks having relatively high specific surface areas can be obtained in a reproducible way.Type: GrantFiled: February 8, 2007Date of Patent: December 7, 2010Assignee: BASF AktiengesellschaftInventors: Markus Schubert, Ulrich Mueller, Hendrick Mattenheimer
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Patent number: 7829733Abstract: Charge control resin particles comprising a mixture of at least a charge control agent and a resin, wherein a crystalline zinc 3,5-di-tert-butylsalicylate represented by General Formula below, and having major peaks of X-ray diffraction using the CuK?-characteristic X-ray at Bragg angles 2? of at least 6.4±0.2° and 15.4±0.2°, is contained as said charge control agent. Toner for developing electrostatic images which comprises a coloring agent, a binder resin for toner, and the charge control resin particles.Type: GrantFiled: April 1, 2009Date of Patent: November 9, 2010Assignee: Orient Chemical Industries, Ltd.Inventors: Akihide Isoda, Tetsuji Kihara, Tohru Tsuruhara
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Patent number: 7582787Abstract: Charge control agent whose active ingredient is a zinc compound of an alkylsalicylic acid derivative, the compound being a zincified alkylsalicylic acid derivative which is an alkylphenol derivative having a carboxyl group introduced thereto; Toner for developing electrostatic images, comprising said charge control agent, a coloring agent and a binder resin for toner; Charge control resin particles comprising solidified milled particles of a thermally kneaded mixture of at least said charge control agent and a resin.Type: GrantFiled: December 12, 2002Date of Patent: September 1, 2009Assignee: Orient Chemical Industries, Ltd.Inventors: Akihide Isoda, Tetsuji Kihara, Tohru Tsuruhara
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Patent number: 7015343Abstract: This invention relates to salts of sulfodehydroabietic acid with bismuth or zinc, a kind of new salt useful in treating digestive canal ulcer, acute & chronic gastritis, and erosive gastritis etc., as well as its preparation and use. Said salts can be represented by formula (1), wherein R is Bi(OH)++ or Zn++, 2Bio+, 1/2ZnH, n=0–10. The preparation method comprises following steps: (a) sequentially treating the industrial abietic acid calcium salt with acid, base and extracting with organic solvent to give abietic acid with less isomer; (b) reacting said abietic acid with Pd/C to provide dehydroabietic acid, then converting it to pure sulphonic product, namely sulfodehydroabietic acid, via sulphonation and recrystallization; (c) by use of neutralization or salt displacement reaction to convert the sulphonic product of zinc or bismuth salts of sulfodehydroabietic acid. The resultant salts can used to prepare medicine for treating digestive canal ulcer and gastritis.Type: GrantFiled: June 4, 2002Date of Patent: March 21, 2006Assignee: Shanghai Xingkang Pharmaceuticals Research & Development Co., Ltd.Inventors: Liangyuan Zheng, Shiwei Zhang, Li Zheng, Mingxin Wang, Yongli Zhao, Xuezhao Lu, deceased, Yongli Zhao, legal representative
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Patent number: 6770588Abstract: A reductive system including a silane, preferably PMHS, and an active zinc compound, which is monomeric and not a hydride, wherein a reduction of a carbonyl substrate to a corresponding alcohol is achievable.Type: GrantFiled: January 16, 2003Date of Patent: August 3, 2004Assignee: Firmenich SAInventor: Hubert Mimoun
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Patent number: 6639092Abstract: Novel metal salts of binaphthol derivative are provided. The metal salts of the present invention are those represented by the formula of either (1) or (2): The present invention also provides a method for preparing the same from the corresponding binaphthalene derivative.Type: GrantFiled: March 27, 2002Date of Patent: October 28, 2003Assignee: Kabushiki Kaisha Ueno Seiyaku Oyo KenkyujoInventors: Ryuzo Ueno, Masaya Kitayama, Kenji Minami, Hiroyuki Wakamori
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Publication number: 20030180642Abstract: Charge control agent whose active ingredient is a zinc compound of an alkylsalicylic acid derivative, the compound being a zincified alkylsalicylic acid derivative which is an alkylphenol derivative having a carboxyl group introduced thereto; Toner for developing electrostatic images, comprising said charge control agent, a coloring agent and a binder resin for toner; Charge control resin particles comprising solidified milled particles of a thermally kneaded mixture of at least said charge control agent and a resin.Type: ApplicationFiled: December 12, 2002Publication date: September 25, 2003Inventors: Akihide Isoda, Tetsuji Kihara, Tohru Tsuruhara
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Publication number: 20030175607Abstract: Charge control resin particles comprising a mixture of at least a charge control agent and a resin, wherein a crystalline zinc 3,5-di-tert-butylsalicylate represented by General Formula below, and having major peaks of X-ray diffraction using the CuK &agr;-characteristic X-ray at Bragg angles 2&thgr; of at least 6.4±0.2° and 15.4±0.2°, is contained as said charge control agent. Toner for developing electrostatic images which comprises a coloring agent, a binder resin for toner, and the charge control resin particles.Type: ApplicationFiled: December 11, 2002Publication date: September 18, 2003Inventors: Akihide Isoda, Tetsuji Kihara, Tohru Tsuruhara
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Patent number: 6583206Abstract: Compounds of and compositions comprising specific salts of saturated [2.2.2] dicarboxylate in order to provide highly desirable properties within thermoplastic (e.g., polyolefin) articles are provided. The inventive salts and derivatives thereof are useful as nucleating and/or clarifying agents for such thermoplastics, are easy to produce and handle, and relatively inexpensive to manufacture. Such compounds induce high peak crystallization and improved stiffness within thermoplastics. Also, thermoplastic compositions comprising such novel nucleating agents exhibit improved heat distortion properties and clarity levels in comparison with the closest unsaturated salt nucleating agents. Thermoplastic additive compositions and methods of producing thermoplastics with such compounds are also contemplated within this invention.Type: GrantFiled: June 5, 2001Date of Patent: June 24, 2003Assignee: Milliken & CompanyInventor: Xiaodong Edward Zhao
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Publication number: 20030004242Abstract: Compounds of and compositions comprising specific salts of saturated [2.2.2] dicarboxylate in order to provide highly desirable properties within thermoplastic (e.g., polyolefin) articles are provided. The inventive salts and derivatives thereof are useful as nucleating and/or clarifying agents for such thermoplastics, are easy to produce and handle, and relatively inexpensive to manufacture. Such compounds induce high peak crystallization and improved stiffness within thermoplastics. Also, thermoplastic compositions comprising such novel nucleating agents exhibit improved heat distortion properties and clarity levels in comparison with the closest unsaturated salt nucleating agents. Thermoplastic additive compositions and methods of producing thermoplastics with such compounds are also contemplated within this invention.Type: ApplicationFiled: June 5, 2001Publication date: January 2, 2003Inventor: Xiaodong Edward Zhao
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Publication number: 20020156309Abstract: Novel metal salts of binaphthol derivative are provided.Type: ApplicationFiled: March 27, 2002Publication date: October 24, 2002Applicant: KABUSHIKI KAISHA UENO SEIYAKU OYO K.Inventors: Ryuzo Ueno, Masaya Kitayama, Kenji Minami, Hiroyuki Wakamori
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Patent number: 6245952Abstract: The present invention relates to a process for the preparation of alcohols by reduction of the carbonyl function in substrates belonging to the class of aldehydes, ketones, esters or lactones, which substrates may contain unsaturated functions other than carbonyl. This process includes the steps of reacting the carbonyl substrate with stoichiometric amounts of a silane in the presence of catalytic amounts of an active zinc compound which is monomeric and not a hydride, hydrolyzing the thus-obtained siloxane with a basic agent, and separating and purifying, if necessary, the thus-obtained alcohol. The catalytically active compound is generally obtained by the reaction of an oligomeric or polymeric precursor compound of zinc with a complexing agent.Type: GrantFiled: March 1, 1999Date of Patent: June 12, 2001Assignee: Firmenich SAInventor: Hubert Mimoun
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Patent number: 5925487Abstract: A toner resin composition comprising a toner resin and the metal salt or complex of a carbocyclic hydroxy caboxylic acid containing at least one methylene group optionally substituted by hydroxy or amino such as 4-(N-methyl-N-2-hydroxyethyl)aminomethyl-3-hydroxy-2-naphthoic acid. Iron and zinc salts are preferred.Type: GrantFiled: June 27, 1997Date of Patent: July 20, 1999Assignee: Zeneca LimitedInventors: David Melville Fawkes, Peter Gregory, James Stanley Campbell
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Patent number: 5648508Abstract: Novel metal-organic microporous materials are prepared in solution using mild reaction conditions from a metal or metalloid ion with a ligand containing multidentate functional groups in the presence of a templating agent. The resultant microporous materials are useful in the purification of liquids and gases.Type: GrantFiled: November 22, 1995Date of Patent: July 15, 1997Assignee: Nalco Chemical CompanyInventor: Omar M. Yaghi
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Patent number: 5506264Abstract: The present invention is concerned with the zinc tranexamate represented by the formula: ##STR1## or its pharmacologically acceptable organic acid salts. The zinc compounds of the present invention, when given in smaller doses than tranexamic acid and cetraxate hydrochloride, exhibit anti-inflammatory and anti-ulcer activities, and are tasteless and odorless, thus being easy to be administered; in particular, the organic acid salts are water-soluble and can be processed into the liquid dosage forms of injectable solution and liquid preparations for external uses.Type: GrantFiled: December 20, 1994Date of Patent: April 9, 1996Assignee: Zaidan Hojin Seisan Kaihatsu Kaguki KenkyushoInventors: Hajime Fujimura, Takahiro Yabuuchi, Teruo Tanaka
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Patent number: 5476957Abstract: The heat-sensitive recording material disclosed comprises a colorless or pale colored dyestuff precursor, one or more salicylic acid derivative of the formula (1) or metal salt of the derivative and an aliphatic amide compound having 18.about.60 carbon atoms in molecular structure, and is excellent in thermal response and preservation stability of white portions and images. ##STR1## wherein X.sub.1 and X.sub.2 are a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an aralkyl group or an aryl group, Y.sub.1 and Y.sub.2 are an oxygen atom or a sulfur atom, R.sub.1 is a hydrogen atom, an alkyl group, an aralkyl group or an aryl group, and R.sub.2 is an alkyl group, an alkenyl group, an aralkyl group or an aryl group.Type: GrantFiled: November 9, 1994Date of Patent: December 19, 1995Assignee: Mitsui Toatsu Chemicals, Inc.Inventors: Yoshimitsu Tanabe, Yuki Kobayashi, Atsuo Otsuji, Masakatsu Nakatsuka, Akihiro Yamaguchi
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Patent number: 5470876Abstract: SOD for treating hair loss is disclosed. The SOD has utility in a topical pharmaceutical formulation for the cosmetic treatment of hair loss and the cosmetic stimulation of hair growth. The SOD comprises copper salicylate, copper aspirinate, indomethacin-copper, or a complex of an amino acid or peptide and a transition metal.Type: GrantFiled: April 18, 1994Date of Patent: November 28, 1995Inventor: Peter H. Proctor
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Patent number: 5385724Abstract: Methods and compositions are disclosed for enhancing .sup.19 F magnetic resonance imaging which utilize trifluoromethyl derivatives of iodinated X-ray contrast media. Typical magnetic resonance contrast media within the scope of the present invention include bis(trifluoromethyl)benzene derivatives, tris(trifluoromethyl)benzene derivatives, tetrakis(trifluoromethyl)benzene derivatives, and other related trifluoromethylated benzene derivatives.Type: GrantFiled: March 4, 1994Date of Patent: January 31, 1995Assignee: Mallinckrodt Medical, Inc.Inventors: David H. White, Steven R. Woulfe, Youlin Lin, Mills T. Kneller
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Patent number: 5382560Abstract: A color developer is provided comprising a polyvalent metal salt of a salicylic derivative. The salicylic derivative is made up of ring-substituted salicylic compounds having one, two and three styrene units bonded to salicylic core where at least 25% of the salicylic derivatives are polyvalent metal salts.Type: GrantFiled: December 11, 1992Date of Patent: January 17, 1995Assignee: Sanyo Chemical Industries, Ltd.Inventors: Nobuo Hisada, Yasushi Nishigakiuchi, Yoshiyuki Ueno, Yasuo Kotani, Tadao Yagyu
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Patent number: 5274150Abstract: A color-developing sheet using, as a color developer, polyvalent-metal-modified products of salicylic acid compounds composed mainly of a 3,5-di(.alpha.-methylbenzyl)salicylic acid derivative obtained by reacting a salicylic acid ester with an .alpha.-methylbenzyl halide in the presence of an acid catalyst and hydrolyzing the reaction product.Said color-developing sheet has excellent color developability at low temperatures and gives a color of excellent water resistance.Type: GrantFiled: August 5, 1991Date of Patent: December 28, 1993Assignee: Mitsui Toatsu Chemicals, IncorporatedInventors: Yoshimitsu Tanabe, Keizaburo Yamaguchi, Akihiro Yamaguchi
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Patent number: 5258532Abstract: A fused ring compound having hydroxy, carboxylic acid and hydroxyalkyl substituent groups and the metal salts or complexes thereof. The hydroxyalkyl group is especially a hydroxymethyl group. The compound is prepared by reaction of the hydroxy carboxylic acid derivative with formaldehyde in an alkaline medium at a temperature of not more than 50.degree. C. The compounds, especially the metal salts or complexes thereof, can be used to provide corrosion inhibition of metals, for example iron.Type: GrantFiled: December 10, 1991Date of Patent: November 2, 1993Assignee: Imperial Chemical Industries PlCInventor: John R. Lawson
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Patent number: 5107006Abstract: The clathrate compound according to the present invention which comprises, as host crystals, crystals of a polyvalent metal salt of a specific nuclear-substituted salicylic acid or a hydrate thereof and, as a gest molecule, an organic compound having 1 to 12 carbon atoms is well soluble in organic solvents or organic compounds having relatively low polarity and has good stability to light rays and NO.sub.x gases and, therefore, the clathrate compound has excellent properties favorable for use as antibiotics, stabilizers for polymeric compounds and developers for recording materials.Type: GrantFiled: December 5, 1990Date of Patent: April 21, 1992Assignee: Sanko Kaihatsu Kagaku KenkyushoInventor: Toranosuke Saito
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Patent number: 5049685Abstract: A nuclear substituted salicylic acid represented by the following general formula (I): ##STR1## (in the formula (I), R.sub.1 represents a methyl group, an isopropyl group, a tert-butyl group, a tert-amyl group, a tert-hexyl group, a tert-octyl group, an .alpha., .alpha.-dialkylbenzyl group or a nuclear substituted .alpha., .alpha.-dialkylbenzyl group; and R.sub.2 represents a tert-butyl group, a tert-amyl group, a tert-hexyl group, a tert-octyl group, an .alpha., .alpha.-dialkylbenzyl group or a nuclear substituted .alpha., .alpha.-dialkylbenzyl group) and a salt thereof are herein disclosed. The novel nuclear substituted salicylic acids and salts thereof according to the present invention have good solubility in water, organic solvents or organic polymeric compounds and, therefore, these compounds are very favorable as bactericidal and germicidal agents, stabilizers for polymeric compounds or color developing agents for recording materials.Type: GrantFiled: November 9, 1989Date of Patent: September 17, 1991Assignee: Sanko Kaihatsu Kagaku KenkyushoInventor: Toranosuke Saito
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Patent number: 5028725Abstract: This invention relates to novel compounds which are precursors for di- and triarylmethane dye precursor compounds possessing a thiolactone, dithiolactone or thioether ring-closing moiety.Type: GrantFiled: December 7, 1989Date of Patent: July 2, 1991Assignee: Polaroid CorporationInventor: Patrick F. King
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Patent number: 4927966Abstract: New compounds having utility for enhancing the activity of antifolates are disclosed of the formula: ##STR1## wherein X is selected from hydrogen ##STR2## and R"--; R' is selected from alkyl, alkenyl, alkynyl, substituted and unsubstituted aryl, and substituted and unsubstituted heterocyclic aryl; R" is selected from ##STR3## and R'S; M is selected from OR and secondary amine; and R is selected from hydrogen, alkyl, acyloxymethyl, substituted and unsubstituted aryl, substituted and unsubstituted heterocyclic aryl, amino cation and metal cation.Type: GrantFiled: June 4, 1987Date of Patent: May 22, 1990Assignee: The Research Foundation of State University of New YorkInventor: Thomas I. Kalman
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Patent number: 4914219Abstract: A process for preparing a zinc salt of a salicylic acid compound which comprises reacting a salicylic acid compound and/or an alkali metal salt thereof with a zinc compound, wherein the reaction is carried out in a mixture of water and an organic solvent, and wherein the organic solvent has a water solubility of not more than 0.1 g/100 g water at 25.degree. C. and in which the zinc salt has a solubility of not less than 10 g/100 g organic solvent at 25.degree. C. The process achieves improved workability in collection of the product and improved yield and purity of the product.Type: GrantFiled: October 13, 1988Date of Patent: April 3, 1990Assignee: Fuji Photo Film Co., Ltd.Inventors: Masato Satomura, Ken Iwakura