Polycyclo Ring System Having The Triazole Ring As One Of The Cyclos Patents (Class 548/257)
  • Publication number: 20020045063
    Abstract: An organometallic luminescent material selected from the group consisting of the compounds of formulae (I) to (V) of the present invention can emit blue, green and red lights.
    Type: Application
    Filed: August 31, 2001
    Publication date: April 18, 2002
    Applicant: NESSDISPLAY CO., Ltd.
    Inventors: Youngkyoo Kim, Jae-Gyoung Lee
  • Publication number: 20020035175
    Abstract: Provided is a process for preparing 2H-benzotriazole UV absorbers containing a perfluoroalkyl moiety at the 5-position of the benzo ring, for example a trifluoromethyl group, which involves diazotizing the perfluoroalkyl substituted o-nitroaniline using concentrated sulfuric acid plus sodium nitrite or nitrosylsulfuric acid to form the corresponding monoazobenzene intermediate via the diazonium salt intermediate which is reduced to the corresponding 5-perfluoroalkyl substituted 2H-benzotriazole UV absorber compound by conventional reduction means. Also provided is a novel one-pot, multiphase reaction for the preparation of 2(2-nitrophenylazo) substituted phenols, which are precursors for 2H-benzotriazole UV absorbers.
    Type: Application
    Filed: May 31, 2001
    Publication date: March 21, 2002
    Inventors: Mervin G. Wood, Deborah DeHessa, Joseph Suhadolnik, Andrew B. Naughton, Jerome Sanders, Jacqueline Lau, Rong Xiong, Joseph Babiarz
  • Patent number: 6358980
    Abstract: Compounds of the formula: useful in the treatment of arthritis, tumor metastasis, tissue ulceration, abnormal wound healing, periodontal disease, bone disease, diabetes (insulin resistance) and HIV infection.
    Type: Grant
    Filed: January 27, 2000
    Date of Patent: March 19, 2002
    Assignee: American Cyanamid Company
    Inventors: Jeremy I. Levin, Aranapakam M. Venkatesan, James M. Chen, Arie Zask, Vincent P. Sandanayaka, Mila T. Du, Jannie L. Baker
  • Patent number: 6303782
    Abstract: A process is described for preparing an aromatic compound substituted by a tertiary nitrile of Formula (1.0.0): comprising treating a substituted aromatic compound of Formula (2.0.0): with a secondary nitrile of Formula (3.0.0): in the presence of a base having a pKa numerical value in the range of from about 17 to about 30, provided that the difference in pKa numerical values between said base and the corresponding tertiary nitrile of Formula (3.0.0) is no more than about 6; in an aprotic solvent having a dielectric constant (∈) of less than about 20; and at a reaction temperature in the range of from about 0° C. to about 120° C.; whereby there is formed said tertiary-nitrile-substituted aromatic compound final product of Formula (1.0.0); wherein the constituent parts W1, W2, W3, W4, and W5; and the substituent moieties R1, R2, R3, R4, R5, R6, and R7 in the compounds of Formulas (1.0.0), (2.0.0) and (3.0.
    Type: Grant
    Filed: March 1, 2000
    Date of Patent: October 16, 2001
    Assignee: Pfizer Inc
    Inventor: Stéphane Caron
  • Publication number: 20010023293
    Abstract: The present invention relates to a process for the manufacture of compounds of Formula (I): 1
    Type: Application
    Filed: January 18, 2001
    Publication date: September 20, 2001
    Applicant: ROCHE VITAMINS INC.
    Inventor: Ulrich Huber
  • Publication number: 20010023268
    Abstract: Benzotriazole UV absorbers substituted with an ultra long ester or amide moiety wherein the ester or amide group is a hydrocarbyl group of 25 to 100 carbon atoms or is a group of alkyl of 25 to 100 carbon atoms interrupted by 5 to 39 oxygen atoms and terminated with an omega—OH or an omega—OR group exhibit excellent stabilization efficacy while they concomitantly do not bloom when incorporated into polyolefin films. These benzotriazole UV absorbers also provide excellent protection to white, dyed, dipped, unscented and/or scented candle wax from discoloration and degradation.
    Type: Application
    Filed: December 20, 2000
    Publication date: September 20, 2001
    Inventors: Mervin Wood, Ramanathan Ravichandran, Douglas Wayne Horsey, Anunay Gupta, Deborah DeHessa, Luther A. R. Hall, Andrea Smith, Stephen Mark Andrews
  • Publication number: 20010011137
    Abstract: The present invention relates to the use of triphenylmethyl-1,2,3-triazoles for the production of a medicament for the control of disorders of the CNS, new active compounds, processes for their preparation, and their use, in particular as cerebrally active agents.
    Type: Application
    Filed: January 30, 2001
    Publication date: August 2, 2001
    Inventors: Klaus Urbahns, Frank Mauler
  • Publication number: 20010011113
    Abstract: Asymmetrical bisbenzotriazoles of the formula I 1
    Type: Application
    Filed: January 22, 2001
    Publication date: August 2, 2001
    Inventors: Mervin Wood, Jacqueline Lau, Ramanathan Ravichandran
  • Publication number: 20010007038
    Abstract: The invention is a catalyst, the use of the catalyst and a method of using the catalyst in the formation of a compound with an amide bond.
    Type: Application
    Filed: February 22, 2001
    Publication date: July 5, 2001
    Inventor: William Leonard Scott
  • Patent number: 6245796
    Abstract: A tricyclic pyrrole or pyrazole derivative represented by the following general formula (I), or a pharmaceutically acceptable salt thereof, which shows strong affinity and selectivity for the 5-HT2C receptor and is useful for the treatment of central nervous system diseases such as sexual disorders, eating disorders, anxiety, depression and sleeping disorders. (In the above formula, each symbol means as follows; Y ring: an unsaturated five-membered ring which may have 1 to 3 of one or more types of hetero atom(s) each selected from the group consisting of a nitrogen atom, an oxygen atom and a sulfur atom or an unsaturated six-membered ring having 1 or 2 nitrogen atom(s), X: a bond or a carbon atom, a double bond or a single bond, V: a nitrogen atom or a group represented by a formula CH, and A: a straight or branched lower alkylene group which may be substituted with a halogen atom or a cycloalkyl group).
    Type: Grant
    Filed: December 2, 1999
    Date of Patent: June 12, 2001
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Kyoichi Maeno, Ken-ichi Kazuta, Hideki Kubota, Itsuro Shimada, Tetsuya Kimizuka, Shuichi Sakamoto, Fumikazu Wanibuchi
  • Patent number: 6172092
    Abstract: Novel benzotriazoles of the formula in which R, X1, X2, X3, X4 and Y have the meanings given in the description, and their acid addition salts and metal salt complexes, a process for the preparation of these substances and their use as microbicides in crop protection and in material protection.
    Type: Grant
    Filed: April 22, 1999
    Date of Patent: January 9, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Lutz Assmann, Ralf Tiemann, Martin Kugler, Heinrich Schrage, Klaus Stenzel
  • Patent number: 6166218
    Abstract: Benzotriazole UV absorbers which are substituted at the 5-position of the benzo ring by an electron withdrawing group exhibit enhanced durability and very low loss rates when incorporated into automotive coatings. This is particularly the case when the 3-position of the phenyl ring is also substituted by phenyl or phenylalkyl such as .alpha.-cumyl. Compounds where the 5-position of the benzo ring are substituted by perfluoroalkyl such as trifluoromethyl are particularly of interest for both their enhanced durability and for their excellent solubility and excellent color properties in some thermoplastic compositions when the phenyl ring is substituted at the 3-position by hydrogen or tert-alkyl.
    Type: Grant
    Filed: January 21, 1999
    Date of Patent: December 26, 2000
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Ramanathan Ravichandran, Joseph Suhadolnik, Mervin G. Wood, Anthony Debellis, Robert E. Detlefsen, Revathi Iyengar, Jean-Pierre Wolf
  • Patent number: 6080857
    Abstract: A method for the preparation of .beta.-amino acid compounds is provided. The method includes contacting an amine nucleophile with an .alpha.,.beta.-unsaturated amide compound in the presence of a chiral Lewis acid complex. The chiral Lewis acid complex is formed from an azophilic metal salt and a chiral bisoxazolinylmethane compound. The selective amidolysis of one enantiomer of the .beta.-aminoamide product is also described.
    Type: Grant
    Filed: February 13, 1998
    Date of Patent: June 27, 2000
    Assignee: North Dakota State University
    Inventors: Mukund Prahalada Rao Sibi, John Joseph Shay, Craig Peter Jasperse, Mei Liu
  • Patent number: 6043378
    Abstract: A photographic element comprising a support having situated thereon at least one silver halide emulsion layer, the element containing an image modifying compound which comprises a magenta coupler moiety which upon reaction with oxidized color developing agent during processing forms a dye, said coupler moiety having attached to the coupling site, either directly or through a timing group, a 1,2,3-triazole moiety, the attachment being through the second nitrogen atom of the triazole moiety.
    Type: Grant
    Filed: March 6, 1998
    Date of Patent: March 28, 2000
    Assignee: Eastman Kodak Company
    Inventors: William James Begley, Frank D. Coms, Daniel L. Kapp
  • Patent number: 6037393
    Abstract: Novel polyester compounds having a benzotriazole group of the invention are obtained by a ring-opening addition-polymerisation of lactones with the alcoholic hydroxyl group of 3-(5-chloro-2H-benzotriazol-2-yl)-5-(1,1-dimethyl-ethyl)-4-hydroxy-benzene -propanol, 3-(2H-benzotriazol-2-yl)-4-hydroxy-benzene-ethanol, 3-(5-methyl-2H-benzotriazol-2-yl)-5-(1-methyl-ethyl)-4-hydroxy-benzene-pro panolbis[3-(2H-benzotriazol-2-yl)-4-hydroxy-benzene-ethanol]methane or the like. These compounds are used as ultraviolet-rays absorbents for thermoplastic resins. The resulting resin composition has an excellent light resistance and chemical resistance.
    Type: Grant
    Filed: October 1, 1998
    Date of Patent: March 14, 2000
    Assignee: Daicel Chemical Industries, Ltd.
    Inventors: Koichi Okumura, Toshio Endo, Tomohisa Isobe
  • Patent number: 6022937
    Abstract: This invention relates to novel polyether polyols and to a process for their production. These polyether polyols are prepared by forming a polyhydroxyl group containing component in a first step by the reaction of a triazole-group containing compound with a compound that contains at least one functional group that is capable of reacting with the amine groups of the triazole group containing compound, and reacting the hydroxyl-group containing component with an alkylene oxide to form the polyether polyol of the invention. The present invention also relates to isocyanate-reactive compositions comprising these novel polyether polyols, and to a process for the production of a polyurethane comprising reacting a polyisocyanate with the novel polyether polyols of the present invention.
    Type: Grant
    Filed: November 24, 1998
    Date of Patent: February 8, 2000
    Assignee: Bayer Corporation
    Inventors: Rick L. Adkins, Harold R. Parsons
  • Patent number: 5985903
    Abstract: Novel benzotriazoles of the formula ##STR1## in which R, X.sup.1, X.sup.2, X.sup.3, X.sup.4 and Y have the meanings given in the description,and their acid addition salts and metal salt complexes,a process for the preparation of these substances and their use as microbicides in crop protection and in material protection.
    Type: Grant
    Filed: December 19, 1997
    Date of Patent: November 16, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Lutz Assmann, Ralf Tiemann, Martin Kugler, Heinrich Schrage, Klaus Stenzel
  • Patent number: 5972982
    Abstract: Heteroaryl-substituted deoxy glycerols represented by the general Formulas Ia, Ib and Ic: ##STR1## wherein: X is oxygen (--O--) or sulfur (--S--); R is substituted or unsubstituted straight or branched chain C.sub.1-30 alkyl or alkenyl, provided that a double bond of the alkenyl does not originate at the carbon atom bound to the X substituent; Het is a 5- to 9-membered heteroaryl mono- or bicyclic ring system having no more than 1 carbonyl carbon in the ring system, with 1 to 4 nitrogen atoms as the sole heteroatoms, one of which nitrogens is bonded to the glycero carbon; and Y is hydroxyl (--OH) or thiol (--SH), pharmaceutical compositions containing the same, and methods of using the compounds, are disclosed. The compounds exhibit antiviral and antibacterial activities.
    Type: Grant
    Filed: October 7, 1997
    Date of Patent: October 26, 1999
    Assignee: Clarion Pharmaceuticals Inc.
    Inventors: Haridasan K. Nair, Andrew C. Peterson, Friedrich Paltauf, Albin Hermetter, Rudolf Franzmair
  • Patent number: 5968408
    Abstract: The use of halo-benzotriazoles as corrosion inhibitors in aqueous systems is disclosed. Specific isomers of chloro-methylbenzotriazole were found to be more effective corrosion inhibitors than tolyltriazole in the presence of chlorine.
    Type: Grant
    Filed: June 24, 1998
    Date of Patent: October 19, 1999
    Assignee: BetzDearborn Inc.
    Inventors: Sydia B. Anderson, Longchun Cheng, Michael A. Cady
  • Patent number: 5962484
    Abstract: Topically applicable sunscreen/cosmetic compositions well suited for enhanced photoprotection of human skin and/or hair against the damaging effects of UV-A and UV-B irradiation, particularly solar radiation, comprise a photoprotecting effective amount of a novel benzotriazole-substituted polyorganosiloxane/polyorganosilane having one of the formulae (1) to (3): ##STR1## wherein A is a monovalent benzotriazole radical bonded directly to a silicon atom and having the formula (4): ##STR2## the compounds of formulae (1) to (3) are prepared, e.g.
    Type: Grant
    Filed: April 9, 1997
    Date of Patent: October 5, 1999
    Assignee: Societe L'Oreal S.A.
    Inventors: Herve Richard, Madeleine Leduc, Alain Lagrange
  • Patent number: 5939557
    Abstract: The present invention is directed to compounds which inhibit farnesyl-protein transferase (FTase) and the farnesylation of the oncogene protein Ras. The invention is further directed to chemotherapeutic compositions containing the compounds of this invention and methods for inhibiting farnesyl-protein transferase and the farnesylation of the oncogene protein Ras.
    Type: Grant
    Filed: March 25, 1997
    Date of Patent: August 17, 1999
    Assignee: Merck & Co., Inc.
    Inventors: Neville J. Anthony, Robert P. Gomez, Kelly M. Solinsky
  • Patent number: 5922882
    Abstract: An object of the present invention is to provide a novel bisbenzotriazolylphenol compound having a UV absorving effect. The bisbenzotriazolylphenol compound of the invention is represented by the formula ##STR1## wherein A is a direct bond or represents a C.sub.1-6 alkylene group, a --C(CH.sub.3).sub.2 -- group, a --C(C.sub.2 H.sub.5)(CH.sub.3)-- group, a --O-- group or a --NH-- group, R.sup.1 and R.sup.3 are the same or different and each represent a hydrogen atom, a C.sub.1-4 alkyl group, an aryl group, a C.sub.1-4 alkoxy group or a halogen atom, and R.sup.2 and R.sup.4 are the same or different and each represent a hydroxyl group or a C.sub.1-12 straight- or branched-chain hydroxyalkyl group.
    Type: Grant
    Filed: November 26, 1997
    Date of Patent: July 13, 1999
    Assignee: Otsuka Kagaku Kabushiki Kaisha
    Inventors: Koji Mori, Emiko Daimon, Koji Ishida, Shinji Nakano, Takashi Ogawa, Kazuhiro Kawano, Mitsuo Akada
  • Patent number: 5914409
    Abstract: This invention relates to an improved process for the production of tolyltriazole in which the tolyltriazole is a lighter colored product. The color improvement in the tolyltriazole produced from this process occurs when the ortho-toluenediamine reactant is previously stabilized by treatment with a compound selected from the group consisting of aldehydes, ketones, acetals and ketals. The process of the present invention reduces the need to purify (by, for example, filtration or distillation) the tolyltriazole prior to being used commercially.
    Type: Grant
    Filed: February 25, 1998
    Date of Patent: June 22, 1999
    Assignee: Bayer Corporation
    Inventors: Rick L. Adkins, Craig M. Young
  • Patent number: 5900487
    Abstract: A high molecular weight stabilizer compound formed as an ester of 3-(2H-benzotriazol-2-yl)-5-(1,1-dimethylethyl)-4-hydroxy-benzene-propanoic acid, or structural variants thereof, to impart improved resistance to the effects of ultraviolet radiation to polycarbonate comprising polymers, a process for the preparation of said compound, and articles of manufacture comprising said compound.
    Type: Grant
    Filed: June 26, 1998
    Date of Patent: May 4, 1999
    Assignee: General Electric Company
    Inventor: Niles R. Rosenquist
  • Patent number: 5837870
    Abstract: The present invention includes processes for producing 5-hydroxymethyl substituted oxazolidinone alcohols (III) from carbamates (IIA) or a trifluoroacetamide (IIB) using a dihydroxy compound (I) or glycidol (IV) starting material and for the transformation of the hydroxymethyl substituted oxazolidinone alcohols (III) to the corresponding amino compounds, 5-aminomethyl substituted oxazolidinone amines (VII) which are acylated to form commercially useful antibacterial 5-acylamidomethyl substituted oxazolidinone (VIII).
    Type: Grant
    Filed: March 28, 1997
    Date of Patent: November 17, 1998
    Assignee: Pharmacia & Upjohn Company
    Inventors: Bruce A. Pearlman, William R. Perrault, Michael R. Barbachyn, Peter R. Manninen, Dana S. Toops, David J. Houser, Thomas J. Fleck
  • Patent number: 5807963
    Abstract: A high molecular weight stabilizer compound formed as an ester of 3-(2H-benzotriazol-2-yl)-5-(1,1-dimethylethyl)-4-hydroxy-benzene-propanoic acid, or structural variants thereof, to impart improved resistance to the effects of ultraviolet radiation to polycarbonate comprising polymers, a process for the preparation of said compound, and articles of manufacture comprising said compound.
    Type: Grant
    Filed: April 12, 1996
    Date of Patent: September 15, 1998
    Assignee: General Electric Company
    Inventor: Niles R. Rosenquist
  • Patent number: 5786301
    Abstract: This invention relates to substituted N-benzotriazoles of the formula ##STR1## in which: R.sup.1, R.sup.2, R.sup.3,R.sup.4, R.sup.5,R.sup.6, R.sup.7, X are as defined in the specification. The compounds exhibit herbicidal activity.
    Type: Grant
    Filed: August 8, 1996
    Date of Patent: July 28, 1998
    Assignee: Zeneca Limited
    Inventors: Donald R. James, Raymond A. Felix
  • Patent number: 5773627
    Abstract: A method of preparing halo-benzotriazoles is disclosed. The method involves mixing an aqueous solution of sodium hypohalite with an aqueous slurry or suspension of a benzotriazole. Preferred sodium hypohalites are sodium hypochlorite or sodium hypobromite and the preferred benzotriazole is tolyltriazole.
    Type: Grant
    Filed: March 19, 1997
    Date of Patent: June 30, 1998
    Assignee: BetzDearborn Inc.
    Inventors: Sydia B. Anderson, Michael A. Cady
  • Patent number: 5746840
    Abstract: A process for preparing (+)-6-?(4-chlorophenyl)(1H- 1,2,4-triazol-1-yl)methyl!-1-methyl-1H-benzotriazole comprising the resolution of (.+-.)-6-!(4-chlorophenyl)-hydrazinomethyl)-1-methyl-1H-benzotriazole and converting the appropriate enantiomerically pure hydrazine intermediate into (+)-6-?(4-chlorophenyl)(H- 1,2,4-triazol-1-yl)methyl!-1-methyl-1H-benzotriazole.
    Type: Grant
    Filed: March 28, 1997
    Date of Patent: May 5, 1998
    Assignee: Janssen Pharmaceutica, N.V.
    Inventors: Albert Louis Anna Willemsens, Walter Louis Antoine Verstappen, Alex Herman Copmans, Anna Maria Jozefa Vandendriessche, Alfons Gaston Maria De Knaep, Marc Gaston Venet
  • Patent number: 5718845
    Abstract: Nonlinear optical compounds which contain a heteroaromatic ring and may further comprise a tricyanovinyl group attached to the heteroaromatic ring.
    Type: Grant
    Filed: January 18, 1995
    Date of Patent: February 17, 1998
    Assignee: Enichem S.p.A.
    Inventors: Kevin J. Drost, Pushkara Rao Varanasi, Kwan-Yue Alex Jen, Michael Anthony Drzewinski
  • Patent number: 5698229
    Abstract: An antimicrobial composition, characterized by containing an inorganic compound on which silver ion is supported and a compound represented by the following formula ?2!: ##STR1## wherein R.sup.1 is hydrogen or a lower alkyl group and R.sup.2 is hydrogen or an alkali metal.
    Type: Grant
    Filed: June 25, 1993
    Date of Patent: December 16, 1997
    Assignee: Toagosei Co., Ltd.
    Inventors: Shuichi Ohsumi, Hideki Kato
  • Patent number: 5663354
    Abstract: A process for preparing (+)-6-[(4-chlorophenyl)(1H-1,2,4-triazol-1-yl)methyl]-1-methyl-1H-benzotri azole comprising the resolution of (.+-.)-6-[(4-chlorophenyl)-hydrazinomethyl)-1-methyl-1H-benzotriazole and converting the appropriate enantiomerically pure hydrazine intermediate into (+)-6-[(4-chlorophenyl)(1 H-1,2,4-triazol-1-yl)methyl]-1-methyl-1H-benzotriazole.
    Type: Grant
    Filed: April 18, 1995
    Date of Patent: September 2, 1997
    Assignee: Janssen Pharmaceutica, N.V.
    Inventors: Albert Louis Anna Willemsens, Walter Louis Antoine Verstappen, Alex Herman Copmans, Anna Maria Jozefa Vandendriessche, Alfons Gaston Maria De Knaep, Marc Gaston Venet
  • Patent number: 5631381
    Abstract: Process for preparing complex pesticidal 1-(haloaryl)heterocyclic compounds by reacting 1-(nitroaryl)heterocycles with metallic halide salts.
    Type: Grant
    Filed: June 28, 1996
    Date of Patent: May 20, 1997
    Assignee: Rhone-Poulenc Inc.
    Inventors: Jamin Huang, Scot K. Huber, Philip H. G. Smith, John H. Wilkinson
  • Patent number: 5530117
    Abstract: The disclosure is drawn to novel 7-substituted-9-(substituted amino)-6-demethyl-6-deoxytetracycline compounds. These compounds are useful to treat infections caused by a wide spectrum of bacterial organisms, including those which are resistant to tetracycline.
    Type: Grant
    Filed: May 31, 1995
    Date of Patent: June 25, 1996
    Assignee: American Cyanamid Company
    Inventors: Joseph J. Hlavka, Phaik-Eng Sum, Yakov Gluzman, Ving J. Lee, Adma A. Ross
  • Patent number: 5529706
    Abstract: Tolyltriazole derived esters of tri, tetra, and poly carboxylic acids or an acid generating compound have been found to be effective lubricity additives for lube oils, greases, or distillate fuels.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: June 25, 1996
    Assignee: Mobil Oil Corporation
    Inventors: Liehpao O. Farng, Andrew G. Horodysky, Lloyd A. Nelson
  • Patent number: 5504214
    Abstract: Substituted benzotriazoles, which contain at least 2 fluorine atoms per molecule, are excellent intermediates for preparing active compounds for pharmaceuticals and plant-protection agents; however, they themselves also exhibit a fungicidal effect.
    Type: Grant
    Filed: January 21, 1994
    Date of Patent: April 2, 1996
    Assignee: Bayer Aktiengesellschaft
    Inventors: Albrecht Marhold, Bernd Baasner, Gerd Hanssler
  • Patent number: 5486608
    Abstract: Cationic compounds of formula ##STR1## wherein R.sub.1 is the radical of formula ##STR2## Q is a radical of formula ##STR3## and the benzene ring W, in addition to being substituted by R.sub.1, --OH and Q, may also be substituted by C.sub.1 -C.sub.6 alkyl and C.sub.1 -C.sub.4 alkoxy, and whereinR.sub.0, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, n, Y.sub.1, Y.sub.2, Y.sub.3 and A.sup..crclbar. are as defined in claim 1, are suitable light stabilisers for photochemically stabilising basic dyeable polyamide fibre materials.
    Type: Grant
    Filed: December 15, 1993
    Date of Patent: January 23, 1996
    Assignee: Chiba-Geigy Corporation
    Inventor: Jean-Marie Adam
  • Patent number: 5438142
    Abstract: Compounds useful as polymer stabilizers which are polymerizable into condensation polymer systems are disclosed and claimed. A particularly preferred embodiment is 1-(3'-(benzotriazol-2"-yl)-4'-hydroxyphenyl)-1,1-bis(4-hydroxyphenyl)ethan e.
    Type: Grant
    Filed: August 10, 1993
    Date of Patent: August 1, 1995
    Assignee: Hoechst Celanese Corp.
    Inventors: John R. Fritsch, Olan S. Fruchey, Debasish Kuila, George Kvakovszky, Mark A. Murphy, Michael T. Sheehan, James R Sounik, Richard Vicari
  • Patent number: 5429770
    Abstract: Low-molecular-weight and polymeric liquid-crystalline 2-substituted benzotriazoles of the formula ##STR1## are used as photoconductors or electrophotographic recording materials or as fluorescent dyes for fluorescent displays.
    Type: Grant
    Filed: May 18, 1994
    Date of Patent: July 4, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Friedrich Closs, Karl Siemensmeyer, Dirk Funhoff
  • Patent number: 5387691
    Abstract: 2-(Benzotriazol-2-yl)-4-alkyl-6-(2-hydroxy-3-benzoyl-6-alkoxybenzyl)phenols am prepared by reacting a Mannich base of a 2-(2-hydroxy-5-alkylphenyl)-2H-benzotriazole with a 2-hydroxy-4-alkoxybenzophenone. The hybrid products exhibit outstanding efficacy in protecting organic substrates from light-induced deterioration as well as good resistance to loss by volatilization or exudation during the processing of stabilized compositions at elevated temperatures.
    Type: Grant
    Filed: March 5, 1993
    Date of Patent: February 7, 1995
    Assignee: Ciba-Geigy Corporation
    Inventors: Robert A. Falk, John J. Luzzi, Gregory R. Coughlin
  • Patent number: 5362411
    Abstract: Reaction products of hydrocarbylsuccinic anhydrides, polyamines and triazoles, as exemplified by XRT 2143A, have been found to be effective rust/corrosion inhibiting, thermal stabilizing and superior dispersant additives with excellent cleanliness feature for fuels and lubricants. Enhanced antioxidancy is also observed upon boration of these reaction products.
    Type: Grant
    Filed: May 10, 1993
    Date of Patent: November 8, 1994
    Assignee: Mobil Oil Corporation
    Inventors: Raymond Bergstra, Andreas Logothetis, William F. Olszewski, Shi-Ming Wu
  • Patent number: 5362880
    Abstract: Disclosed is a method of preparing a photographic coupler comprised of 1-aryl-3-substituted-4-heterocyclic-5-pyrazolone development inhibitor releasing coupler for use in a photographic element, said coupler capable of reacting with oxidized color developer to release a heterocyclic coupling-off group containing an inhibitor.
    Type: Grant
    Filed: June 30, 1992
    Date of Patent: November 8, 1994
    Assignee: Eastman Kodak Company
    Inventor: William J. Begley
  • Patent number: 5359080
    Abstract: There is disclosed an acylacetamide-type yellow coupler having an acyl group represented by formula (I) and a silver halide color photographic material containing same. ##STR1## wherein R.sub.1 represents a monovalent group, Q represents a group of non-metallic atoms required to form together with the C a substituted or unsubstituted 3- to 5-membered cyclic hydrocarbon group or a substituted or unsubstituted 3- to 5-membered heterocyclic group having in the group at least one hetero atom selected from a group consisting of N, 0, S, and P, provided that R.sub.1 is not a hydrogen atom and does not bond to Q to form a ring.
    Type: Grant
    Filed: February 12, 1993
    Date of Patent: October 25, 1994
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Yoshio Shimura, Hidetoshi Kobayashi, Yasuhiro Yoshioka
  • Patent number: 5319090
    Abstract: Hydrazide functionalized benzotrialzole and oxanilide ultraviolet absorbers (Formulas I and II) useful for stabilizing coreactive or inert polymeric compositions and novel intermediates (Formula III used to make certain types of compounds of Formula I) are disclosed and have the general formulas: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8, R.sup.9, X, Y, all substituents thereof, and n are set forth in the Summary of the Invention.
    Type: Grant
    Filed: May 18, 1993
    Date of Patent: June 7, 1994
    Assignee: Elf Atochem North America, Inc.
    Inventors: Ronald E. MacLeay, Terry N. Myers
  • Patent number: 5266556
    Abstract: There are disclosed novel arylindazole derivatives of the formula: ##STR1## and agrochemically acceptable salts thereof. Also disclosed are a herbicidal composition including the above arylindazole derivative as an active ingredient and a method for exterminating undesired weeds by the application of a herbicidally effective amount of the above arylindazole derivative to an area where the undesired weeds grow or will grow.
    Type: Grant
    Filed: November 23, 1992
    Date of Patent: November 30, 1993
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Masayuki Enomoto, Susumu Takemura, Masaharu Sakaki, Satoru Kizawa, Eiki Nagano
  • Patent number: 5256661
    Abstract: Certain novel compounds having the structural formula ##STR1## where R.sub.2, R.sub.3 and R.sub.4 are each selected from the group consisting of H and OA; A is H or is selected from the group consisting of hydrocarbyl radicals, e.g. lower alkyl radicals, i.e. methyl, ethyl, propyl, etc., or ##STR2## wherein R.sub.5 is selected from the group consisting of hydrocarbyl radicals, e.g. alkyl and aromatic residues; n is 2 or 3; and R.sub.1 is selected from the group consisting of organic radicals having fused aromatic rings, that is, radicals comprising at least two rings that share a pair of carbon atoms or share a carbon and nitrogen atom are useful for inducing a dopaminergic response and reducing the intraocular pressure in a mammal.
    Type: Grant
    Filed: September 28, 1992
    Date of Patent: October 26, 1993
    Assignee: Whitby Research, Inc.
    Inventor: Alan S. Horn
  • Patent number: 5243047
    Abstract: A compound contains a ligand group and at least one group of the general formula --XR.sub.n where X is a linking group which contains at least one hetero-atom, R is a saturated hydrocarbyl group containing at least six carbon atoms or is an unsaturated hydrocarbyl group containing at least three carbon atoms. The ligand group can be a polyhydroxyhydrocarbyl, a triazole, an imidazole, an indazole, a thiazole, an oxazole, a carbamate, an xanthate or a phthalazine. The compounds can be used to improve bonding between a metal and a coating material in contact with the metal surface. The metal may be a tire cord and the coating material rubber or a rubber composition.
    Type: Grant
    Filed: November 16, 1990
    Date of Patent: September 7, 1993
    Assignee: Imperial Chemical Industries PLC
    Inventor: John R. Lawson
  • Patent number: 5240938
    Abstract: Substituted heterocycles attached through a methylene bridge to novel substituted phenyl derivatives of the Formula I are useful as angiotensin II antagonists.
    Type: Grant
    Filed: August 13, 1991
    Date of Patent: August 31, 1993
    Assignee: Merck & Co., Inc.
    Inventors: William J. Greenlee, Arthur A. Patchett, David Hangauer, Thomas F. Walsh, Kenneth J. Fitch, Ralph A. Rivero, Daljit S. Dhanoa
  • Patent number: 5235058
    Abstract: There is disclosed a 3(5)-hydrazinopyrazole compound represented by the following formula (I): ##STR1## wherein R.sub.1 represents a hydrogen atom, an alkyl group, an aryl group, a heterocyclic group, a hydroxyl group, an alkoxy group, or an aryloxy group, R.sub.2 represents a hydrogen atom or an acyl group, X represents an aryloxy group, an alkoxy group, a heterocyclic oxy group, or an azolyl group, M represents a hydrogen ion or a metal ion, Y represents an acid radical, and n is 0 or a positive number.
    Type: Grant
    Filed: September 17, 1991
    Date of Patent: August 10, 1993
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Tadahisa Sato, Keizo Kumura
  • Patent number: 5233046
    Abstract: Diarylacetylenes and diarylenamines are synthesized from a Schiff's base and an N-arylmethylheterocycle; these compounds are useful as intermediates for a variety of polymers; in particular an efficient process is provided for producing diaryl acetylenes useful in the efficient production of acetylene group-containing polymers which can be cross-linked to produce high strength polymers free of structural defects such as conventionally arise as a result of liberation of volatiles during the cross-linking.
    Type: Grant
    Filed: November 4, 1991
    Date of Patent: August 3, 1993
    Inventors: Allan S. Hay, Martino Paventi