Search Patents
  • Ion-selective electrode and method of making said electrode
    Patent number: 4287042
    Abstract: An ion-selective electrode comprises a standard solution of the ion, such as calcium, and, retaining the solution, a membrane including sensor groups. The sensor groups are secured in the membrane by cross-linking. The membrane may be a styrene-butadiene-styrene triblock elastomeric copolymer, with dialkyl phosphate cross-linked sensor groups resulting from a cross-linking reaction between the membrane and diallyl phosphoric acid.
    Type: Grant
    Filed: March 6, 1980
    Date of Patent: September 1, 1981
    Assignee: National Research Development, Corp.
    Inventors: Leslie C. Ebdon, Andrew T. Ellis, George C. Corfield
  • Liquid composition, metallic luster film, and article
    Patent number: 11760833
    Abstract: A liquid composition includes a thiophene polymer; and at least one polymerization component selected from the group including a monomer and an oligomer.
    Type: Grant
    Filed: September 28, 2021
    Date of Patent: September 19, 2023
    Assignees: FUJIFILM BUSINESS INNOVATION CORP., NATIONAL UNIVERSITY CORPORATION CHIBA UNIVERSITY
    Inventors: Wataru Yamada, Satoya Sugiura, Natsumi Kaneko, Katsuyoshi Hoshino
  • Pharmaceutical compositions
    Patent number: 4587240
    Abstract: Compounds which are a 1-hydroxypyrid-2-one in which one or more of the hydrogen atoms attached to ring carbon atoms are replaced by a substituent selected from aliphatic acyl, aliphatic amide, aliphatic amine, carboxy, cyano, aliphatic ester, halogen, hydroxy and sulpho groups, alkoxy groups and alkoxy groups substituted by an alkoxy, aliphatic amide, aliphatic amine, aliphatic ester, halogen or hydroxy group, aliphatic hydrocarbon groups and aliphatic hydrocarbon groups substituted by an alkoxy, aliphatic ester, halogen or hydroxy group, but excluding compounds in which said replacement of hydrogen atoms in the compound is effected only by substituents selected from aliphatic hydrocarbon groups, halogen groups and aliphatic hydrocarbon groups substituted by a halogen group, or a salt thereof containing a physiolgically acceptable ion or ions, are of value in the treatment of patients having a toxic concentration of a metal, particularly iron, in the body whilst the iron complexes of such compounds are of val
    Type: Grant
    Filed: September 18, 1984
    Date of Patent: May 6, 1986
    Assignee: National Research Development Corp.
    Inventors: Robert C. Hider, George Kontoghiorghes, Jack Silver, Michael A. Stockham
  • THERAPEUTIC AGENT FOR OSTEOPOROSIS
    Publication number: 20150164879
    Abstract: To provide an agent for treating osteoporosis, comprising an acyl thiourea compound represented by the following formula (I) or a salt thereof as an active ingredient: wherein, R1 represents an optionally substituted C1-6 alkyl group; R2 represents a fluorine atom or a chlorine atom; and R3 represents a hydrogen atom, a fluorine atom, or a chlorine atom.
    Type: Application
    Filed: September 30, 2013
    Publication date: June 18, 2015
    Applicants: TAIHO PHARMACEUTICAL CO., LTD., NATIONAL UNIV. CORP. TOKYO UNIV. OF AG. AND TECH.
    Inventors: Chisato MIYAURA, Masaki INADA, Hidenori FUJITA
  • Process for preparing alpha-methyl monobasic acid and esters thereof
    Patent number: 4354978
    Abstract: Alkanoic acids containing largely the alpha-methyl isomers thereof, and/or the corresponding esters, are prepared by reacting an alpha-olefin, carbon monoxide and water and/or a monoalkanol in the presence of a catalytically effective amount of a catalyst composition comprising (i) a zero-valent Group VIII metal or metal alloy in which the Group VIII metal is the major component by weight thereof, (ii) an aryl ligand selected from the group consisting of arylarsine, arylstibine and arylbismuthine and (iii) a Lewis acid and/or hydrochloric acid.
    Type: Grant
    Filed: August 4, 1980
    Date of Patent: October 19, 1982
    Assignee: National Distillers & Chemical Corp.
    Inventors: Orville D. Frampton, William D. Baugh
  • LIQUID COMPOSITION, METALLIC LUSTER FILM, AND ARTICLE
    Publication number: 20220127415
    Abstract: A liquid composition includes a thiophene polymer; and at least one polymerization component selected from the group including a monomer and an oligomer.
    Type: Application
    Filed: September 28, 2021
    Publication date: April 28, 2022
    Applicants: FUJIFILM Business Innovation Corp., National University Corporation Chiba University
    Inventors: Wataru YAMADA, Satoya SUGIURA, Natsumi KANEKO, Katsuyoshi HOSHINO
  • Pharmaceutical compositions
    Patent number: 4585780
    Abstract: Pharmaceutical compositions containing a 3-hydroxypyrid-2-one or 3-hydroxypyrid-4-one in which the hydrogen atom attached to the nitrogen atom is replaced by an aliphatic acyl group, by an aliphatic hydrocarbon group, or by an aliphatic hydrocarbon group substituted by one or, except in the case of ionizable groups, more than one substituent selected from aliphatic acyl, alkoxy, aliphatic amine, aliphatic amide, carboxy, aliphatic ester, halogen, hydroxy and sulpho groups and, optionally, in which one or more of the hydrogen atoms attached to ring carbon atoms are replaced by one of said substituents, by an aliphatic hydrocarbon group, or by an aliphatic hydrocarbon group substituted by an alkoxy, aliphatic ester, halogen or hydroxy group, but excluding compounds in which said replacement of hydrogen atoms in the compound is effected only by aliphatic hydrocarbon groups, or a salt thereof containing a physiologically acceptable ion or ions, are of value for removing toxic amounts of metals, particularly iron,
    Type: Grant
    Filed: March 22, 1984
    Date of Patent: April 29, 1986
    Assignee: National Research Development Corp.
    Inventors: Robert C. Hider, George Kontoghiorghes, Jack Silver
  • Pesticides
    Patent number: 4594355
    Abstract: Pesticidal compounds have the formula: ##STR1## wherein D represents hydrogen or a cyano or ethynyl group;B represents hydrogen or an alkyl or alkenyl group;A represents an alkyl group or a halogeno group or a CF.sub.3 group;n is 0 or an integer of 1-4; andRCOO is the residue of an acid RCOOH which is a 2,2-dimethyl-cyclopropane carboxylic acid carrying at the 3-position a dihalovinyl, an alkenyl or a carboalkoxyalkenyl group, provided that (1) when the group --CH.sub.2 CH.dbd.CHB is located at the 4-position on the ring with respect to the ester linkage, then D must be hydrogen and the group carried at the 3-position on the cyclopropane ring of the acid must be a dihalovinyl group and (2) when the group --CH.sub.2 CH.dbd.CHB is located at the 3-position on the ring and D is a CN group, then n must be 0.
    Type: Grant
    Filed: July 26, 1983
    Date of Patent: June 10, 1986
    Assignee: National Research Development Corp.
    Inventors: Michael Elliott, Norman F. Janes, Richard L. Elliott, Bhupinder P. S. Khambay, David A. Pulman
  • Cobalt extraction method
    Patent number: 9011804
    Abstract: The objective of the present invention is to selectively extract cobalt from an acidic solution containing a high concentration of manganese. This cobalt extraction method extracts cobalt from an acidic solution containing manganese and cobalt by subjecting the acidic solution to solvent extraction by means of a valuable metal extraction agent comprising an amide derivative represented by general formula (I). The valuable metal extraction agent is represented by the general formula. In the formula: R1 and R2 each represent the same or different alkyl group; R3 represents a hydrogen atom or an alkyl group; and R4 represents a hydrogen atom or any given group aside from an amino group bonded to the ? carbon as an amino acid. Preferably, the general formula has a glycine unit, a histidine unit, a lysine unit, an aspartic acid unit, or an N-methylglycine unit. Preferably, the pH of the acidic solution is 3.5-5.5 inclusive.
    Type: Grant
    Filed: November 2, 2012
    Date of Patent: April 21, 2015
    Assignees: Sumitomo Metal Mining Co., Ltd., Kyushu University, National University Corp.
    Inventors: Masahiro Goto, Fukiko Kubota, Yuzo Baba
  • Halogenated cyclopentadiene diadducts of diacetylenic compounds
    Patent number: 4299758
    Abstract: Halogenated compounds of the formula ##STR1## wherein each X is independently selected from the group consisting of hydrogen, chlorine, bromine and fluorine, each X.sub.1 is independently selected from the group consisting of hydrogen, chlorine, bromine, fluorine and alkyl or alkoxy of 1 to 10 carbon atoms and halogen-substituted alkyl or alkoxy of 1 to 10 carbon atoms and each Y and Y.sub.1 is independently selected from the group consisting of hydrogen, chlorine, bromine, fluorine, aryl, alkyl or alkoxy of 1 to 10 carbon atoms and halogen-substituted alkyl or alkoxy of 1 to 10 carbon atoms, and a process for preparing these compounds are provided. These compounds are useful as flame retardant additives for various polymers.
    Type: Grant
    Filed: December 22, 1977
    Date of Patent: November 10, 1981
    Assignee: National Distillers and Chemical Corp.
    Inventors: James A. Hinnenkamp, Jack Kwiatek
  • Subnanosecond programmable phase shifter for a high frequency digital PLL
    Patent number: 4709170
    Abstract: A circuit for producing a programmable phase shift of clock pulses in response to the data on a group of control lines. The circuit includes a ramp generator stage coupled to drive a comparator stage which has a reference potential input determined by the control line data. The phase shift can be employed to produce a series of subnanosecond delay increments on the clock pulses and is useful in the fine adjustment of a digital phase lock loop.
    Type: Grant
    Filed: November 19, 1986
    Date of Patent: November 24, 1987
    Assignee: National Semiconductor Corp.
    Inventor: Gabriel M. Y. Li
  • Photosensitive diazonium compound containing composition and article with .beta.-hydroxyalkyl acrylate or methacrylate
    Patent number: 4275138
    Abstract: A photosensitive composition is prepared comprising a diazonium compound and a polymer containing at least 50% by weight of the recurring unit represented by the following general formula (I): ##STR1## wherein R.sub.1 represents hydrogen atom or methyl group, R.sub.2 represents hydrogen atom or a methyl, ethyl or chloromethyl group and n is an integer of 1 to 10.
    Type: Grant
    Filed: September 14, 1976
    Date of Patent: June 23, 1981
    Assignees: Fuji Photo Film Co., Ltd., National Patent Development Corp.
    Inventors: Nobuyuki Kita, Yasuhisa Narutomi
  • Production of polyolefins having improved ESCR
    Patent number: 4356294
    Abstract: High density polyethylene resins of improved environmental stress crack resistance, (ESCR) for blow molding and related uses produced with chromium/aluminum based heat activated supported catalysts wherein the support is dried under controlled conditions to provide a selected silanol group population.
    Type: Grant
    Filed: October 24, 1980
    Date of Patent: October 26, 1982
    Assignee: National Petro Chemicals Corp.
    Inventors: Louis J. Rekers, Richard J. French, Harry W. Mayhew
  • Oligopeptide aldehydes useful as specific inhibitors of enterokinase
    Patent number: 4593018
    Abstract: Compounds of the general formula: ##STR1## wherein n is an integer from 2 to 6, m is an integer from 2 to 4, p is an integer from 1 to 3, R is H, an amino protecting group conventionally used in peptide chemistry or a solid phase support, R.sub.1 is H or a carboxy protecting group conventionally used in peptide chemistry and R.sub.2 is H or alkyl or H.sub.2 N--C.dbd.NH are useful for inhibiting the activity of enterokinases.
    Type: Grant
    Filed: January 7, 1985
    Date of Patent: June 3, 1986
    Assignee: National Research Development Corp.
    Inventors: Brian M. Austen, Steven Cliffe, David Grant, John Hermon-Taylor
  • Surface plasmon resonance phenomenon measuring equipment
    Patent number: 7545500
    Abstract: The present invention discloses surface plasmon resonance phenomenon measuring equipment comprising: (1) a prism, (2) a sensor wherein a plurality of measuring cells are formed in m rows and n columns on the bottom face of the prism, (3) a light source for radiating a laser beam, (4) a first optical system wherein m optical units each having a rectangular parallelepiped shape and having a translucent film formed along the diagonal surface of the rectangular parallelepiped are arranged continuously, (5) a second optical system wherein mn optical units are arranged continuously and a reflected lights group is radiated toward the measuring cells, (6) a photodiode array detectors group of m rows and n columns, arranged on the extensions of reflected lights group, and (7) a polarizer interposed between the first optical system and the prism, and/or between the prism and the photodiode array detectors.
    Type: Grant
    Filed: June 17, 2005
    Date of Patent: June 9, 2009
    Assignees: Muroran Institute of Technology, Kyushu University, National University Corp., Meblus Advanced Technology Ltd.
    Inventors: Noriaki Kaneki, Toshihiko Imato, Akihide Hemmi, Katsumi Uchiyama, Yasukazu Asano, Kouji Shimada
  • POLYMER PRODUCTION PROCESS
    Publication number: 20110184141
    Abstract: A polymer production process comprising reacting a compound represented by the following formula (1) in the presence of a binuclear metal complex represented by the following formula (2). R4-nMHn??(1) (in the formula (1), R is a monovalent organic group, M is a silicon atom or a germanium atom, and n is 2 or 3.) [CpM(?-CH2)]2??(2) (in the formula (2), Cp is a cyclopentadienyl-based ligand, M is a metal atom selected from Rh and Ir, and the bond between M's is a double bond.
    Type: Application
    Filed: July 9, 2009
    Publication date: July 28, 2011
    Applicants: National Univ. Corp. Kanazawa University, JSR CORPORATION, JAPAN SCIENCE AND TECHNOLOGY AGENCY
    Inventors: Tatsuya Shimoda, Ryo Kawajiri, Kiyoshi Isobe, Hidetaka Nakai, Yasuo Matsuki
  • Environmental coating solution
    Patent number: 5177154
    Abstract: A water compatible terpolymer for sealing and coating building materials which protects surfaces from environmental staining agents. The terpolymer is created by polymerizing a HEMA:SMA co-polymer with another monomer which contains either free acid or base groups. The resultant terpolymer is water solution after neutralization. Water is then added to bring the solvent level to 40% maximum and the solids level to 8%.
    Type: Grant
    Filed: April 30, 1991
    Date of Patent: January 5, 1993
    Assignee: National Patent Development Corp.
    Inventor: Daniel G. Moro
  • Polyurethane adhesive compositions modified with a dicarbamate ester useful in laminating substrates
    Patent number: 4352858
    Abstract: A modified polyurethane adhesive composition characterized by its improved bond strength and curing properties contains an isocyanate-terminated prepolymer and from 2.5 to 100% by weight, based on the prepolymer, of a dicarbamate ester compatible with the prepolymer and containing two free isocyanate groups. The resultant adhesive is suitable for hot-melt applications in bonding flexible substrates.
    Type: Grant
    Filed: September 4, 1981
    Date of Patent: October 5, 1982
    Assignee: National Starch and Chemical Corp.
    Inventor: Henry Stanley
  • Histidine protection
    Patent number: 4591648
    Abstract: Histidine derivatives of formula I are useful inter alia in peptide synthesis. ##STR1## wherein: X represents --CH.sub.2 OCH.sub.2 Ar, in which Ar is a phenyl substituent optionally substituted by one or more halogen, alkoxy, alkyl or nitro groups;Y, which differs from X, represents hydrogen, a protective group capable of inhibiting self coupling during formation of a peptide bond, an amino acid residue, a peptide chain or an antibiotic residue;E represents OH,OM,M representing an alkali metal or ammonium, OR, R representing an alkyl, aryl, aralkyl or alkaryl group, an amino acid residue, a peptide chain or an antibiotic residue;the compound I being optionally in the form of a hydrate or acid salt.In compounds I of especial interest, X represents benzyloxymethyl or p-bromobenzyloxymethyl, Y represents t-butyloxycarbonyl and E represents --OH.
    Type: Grant
    Filed: March 24, 1982
    Date of Patent: May 27, 1986
    Assignee: National Research Development Corp.
    Inventors: John H. Jones, Tom Brown
  • Light-emitting element and iridium complex
    Patent number: 7560176
    Abstract: Iridium compounds having at least two 2-arylpyridine ligands in which a non-hydrogen atom group is substituted at the 4-position of the pyridine ring, and light-emitting elements comprising on organic layer comprising at least one of the iridium compounds are disclosed.
    Type: Grant
    Filed: July 29, 2004
    Date of Patent: July 14, 2009
    Assignees: Chi Mei Optoelectronics Corp., National Tsing Hua University
    Inventors: Chien-Hong Cheng, Ruey-Min Chen, Cheng-Wei Huang, Chen-Chung Yang
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