Benzylidene Imines (i.e., Q-benzene-ch=nh, Wherein Q Is A Substituent Or Hydrogen And Substitution May Be Made For Hydrogen Only) Patents (Class 564/272)
  • Patent number: 5886224
    Abstract: Disclosed herein are processes for polymerizing ethylene, acyclic olefins, and/or selected cyclic olefins, and optionally selected olefinic esters or carboxylic acids, and other monomers. The polymerizations are catalyzed by selected transition metal compounds, and sometimes other co-catalysts. Since some of the polymerizations exhibit some characteristics of living polymerizations, block copolymers can be readily made. Many of the polymers produced are often novel, particularly in regard to their microstructure, which gives some of them unusual properties. Numerous novel catalysts are disclosed, as well as some novel processes for making them. The polymers made are useful as elastomers, molding resins, in adhesives, etc. Also described herein is the synthesis of linear .alpha.-olefins by the oligomerization of ethylene using as a catalyst system a combination a nickel compound having a selected .alpha.-diimine ligand and a selected Lewis or Bronsted acid, or by contacting selected .alpha.
    Type: Grant
    Filed: July 10, 1997
    Date of Patent: March 23, 1999
    Assignees: E. I. du Pont de Nemours and Company, University of North Carolina
    Inventors: Maurice S. Brookhart, Lynda Kaye Johnson, Samuel David Arthur, Jerald Feldman, Kristina Ann Kreutzer, Alison Margaret Anne Bennett, Edward Bryan Coughlin, Steven Dale Ittel, Anju Parthasarathy, Daniel Joseph Tempel
  • Patent number: 5847215
    Abstract: A process for the racemization of optically active amines of the formula (I), where Ar is an unsubstituted or substituted aryl and R is alkyl, in whicha) (I) is reacted with the ketone (II) in which Ar and R have the same meanings as for (I), to give the condensation product (III), ##STR1## b) (III) is racemized by treatment with base, ##STR2## c) the arylalkylamine (I) is liberated as racemate from racemic (III) by reaction with optically active (I).
    Type: Grant
    Filed: February 10, 1997
    Date of Patent: December 8, 1998
    Assignee: BASF Aktiengesellschaft
    Inventor: Klaus Ditrich
  • Patent number: 5817834
    Abstract: There is provided a process for the preparation of 2-aryl-5-(perfluoroalkyl)pyrrole compounds from N-(perfluoroalkylmethyl)arylimidoyl chloride compounds. The 2-aryl-5-(perfluoroalkyl)pyrrole compounds are useful for the control of insect and acarid pests, and may also be used to prepare other pesticidal arylpyrrole compounds. In addition, the present invention provides N-(perfluoroalkylmethyl)arylimidoyl chloride compounds which are useful as intermediates in the preparation of arylpyrrole compounds.
    Type: Grant
    Filed: February 9, 1998
    Date of Patent: October 6, 1998
    Assignee: American Cyanamid Company
    Inventor: Venkataraman Kameswaran
  • Patent number: 5739401
    Abstract: There is disclosed an N-(.alpha.-alkylbenzylidene)-.alpha.-phenylalkylamine represented by the general formula (1): ##STR1## wherein R.sup.1 represents a lower alkyl group, R.sup.2 represents a hydrogen atom, a halogen atom, a lower alkyl group or a lower alkoxy group and X represents a halogen atom or a lower alkoxy group, its use and a process for producing the same and processes for producing intermediates therefor.
    Type: Grant
    Filed: March 29, 1996
    Date of Patent: April 14, 1998
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Koji Hagiya, Etsuko Harada, Hideyuki Goto
  • Patent number: 5739337
    Abstract: Disclosed are a process and novel compounds useful for preparing compounds of formula I ##STR1## wherein R.sub.1 and R.sub.2 independently represent hydrogen, inorganic or optionally substituted organic substituents; andR.sub.3 is hydrogen, or an optionally substituted organic group,the process comprising cyclizing a tetrahydroisoquinoline of the formula ##STR2## where Y is a leaving group, in the presence of a stong base. The invention also encompasses a process for preparing the tetrahydroisoquinoline; and a process for converting the tetrahydroisoquinoline to the final amide I.
    Type: Grant
    Filed: March 8, 1996
    Date of Patent: April 14, 1998
    Assignee: Neurogen Corporation
    Inventor: Philip D. Magnus
  • Patent number: 5719298
    Abstract: A method of producing a pantothenic acid derivative of formula (I): ##STR1## wherein each of R.sup.1 and R.sup.2 is different, and is a branched aliphatic hydrocarbon group having 3 to 5 carbon atoms, or a phenyl group; or a straight chain aliphatic hydrocarbon group having 5 to 10 carbon atoms, is provided, including methods of producing the starting materials for producing the same and novel amine derivative that can be used for the production of the pantothenic acid derivative.
    Type: Grant
    Filed: May 22, 1995
    Date of Patent: February 17, 1998
    Assignee: Fujirebio Inc.
    Inventors: Hiroshi Ikawa, Hajime Matsumoto
  • Patent number: 5659084
    Abstract: Processes for preparing 2-substituted benzaldehydes of general formula (I), wherein: R.sub.1 is CH.sub.2 CH.sub.2 --(L.sub.1).sub.p --(CH.sub.2).sub.q --(L.sub.2).sub.r --CH.sub.2 --(T).sub.2 --Z; L.sub.1 and L.sub.2 are independently CH.sub.2 CH.sub.2, CH.dbd.CH or C.tbd.C; q is 0 to 8; p, r and s are independently 0 or 1; T is O, S, CH.sub.2, CH.dbd.CH, C.tbd.C; and Z is C.sub.1-4 alkyl, ethynyl, trifluoromethyl, isopropenyl, furanyl, thienyl, cyclohexyl or phenyl optionally mono substituted with CF.sub.3, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, methylthio, or trifluoromethylthio; and R.sub.2 and A are independently H, CF.sub.3, C.sub.1-4 alkyl, F, Cl, Br or I; are useful for preparing pharmaceutically active compounds.
    Type: Grant
    Filed: December 7, 1994
    Date of Patent: August 19, 1997
    Assignees: SmithKline Beecham Corporation, SmithKline Beecham plc
    Inventors: Kerry Joseph Gombatz, Michael Anthony Forth, Jerome Francis Hayes, Michael Barry Mitchell, Stephen Alexander Smith
  • Patent number: 5639912
    Abstract: A dianilinoglutacondialdehyde compound is described, which is represented by the following formula (Ia) or (Ib): ##STR1## wherein R.sup.1 and R.sup.2 each represents an alkyl group or an aryl group and may be connected to each other; R.sup.3 represents a hydrogen atom, an alkyl group, an alkoxy group or a halogen atom; R.sup.4 and R.sup.5 each represents a hydrogen atom or a non-metallic atom which is required to be connected to each other to form a 5- or 6-membered ring; and X.sup.- represents BF.sub.4.sup.-, SbF.sub.6.sup.- or PF.sub.6.sup.-. A process for the preparation of the compound as described above is also described.
    Type: Grant
    Filed: April 3, 1996
    Date of Patent: June 17, 1997
    Assignee: Fuji Photo Film co., Ltd.
    Inventor: Toru Harada
  • Patent number: 5599988
    Abstract: A novel process for producing chiral hydroxylamines for use as intermediates to make chiral hydroxyureas, which process comprises a tandem condensation-cyclization reaction between a dimethylsulfoxoniurn methylide and an appropriately substituted nitrone bearing a D- or L- mannose chiral auxiliary to yield a compound of Formula (I) as claimed herein.
    Type: Grant
    Filed: December 22, 1994
    Date of Patent: February 4, 1997
    Assignee: SmithKline Beecham Corporation
    Inventor: Wilford Mendelson
  • Patent number: 5545705
    Abstract: The present invention relates to aldimines corresponding to the formulaX.sub.1 --[N.dbd.CHCH(R.sub.1)(R.sub.2)].sub.2whereinX.sub.1 represents the group obtained by the removal of the amino groups from 2-methyl-1,5-pentane diamine,R.sub.1 and R.sub.2 may be the same or different and represent optionally substituted hydrocarbon radicals, or R.sub.1 and R.sub.2 together with the .beta.-carbon atom from a cycloaliphatic or heterocyclic ring.The present invention relates to a clear, solvent-containing coating composition which containsa) an isocyanurate group-containing polyisocyanate which contains less than 5% by weight, based on the weight of component a), of allophanate and uretdione groups andb) an aldimine corresponding to the formulaX.sub.1 --[N.dbd.CHCH(R.sub.1)(R.sub.2)].sub.nwherein X.sub.1, R.sub.1 and R.sub.
    Type: Grant
    Filed: December 14, 1994
    Date of Patent: August 13, 1996
    Assignee: Bayer Corporation
    Inventors: Sharon D. Hicks, Douglas A. Wicks, Scott A. Grace
  • Patent number: 5498755
    Abstract: Compounds of the formula ##STR1## wherein the R.sub.1 groups independently are hydrogen, lower alkyl, or two geminal R.sub.1 groups jointly represent an oxo (.dbd.O) or a thio (.dbd.S) group; R.sub.2 is hydrogen or lower alkyl, or halogen; M is or --N.dbd.CR.sub.4 -- or --R.sub.4 C.dbd.N-- where R.sub.4 is hydrogen or lower alkyl; X is C(R.sub.1).sub.2 ; Y is phenyl optionally substituted with an R.sub.3 group which is lower alkyl or halogen; A is (CH.sub.2).sub.n where n is 0-5, lower branched chain alkyl, cycloalkyl, alkenyl, alkynyl; B is hydrogen, COOH or a pharmaceutically acceptable salt thereof, COOR.sub.8, CONR.sub.9 R.sub.10, --CH.sub.2 OH, CH.sub.2OR.sub.11, CH.sub.2 OCOR.sub.11, CHO, CH(OR.sub.12).sub.2, CHOR.sub.13 O, --COR.sub.7, CR.sub.7 (OR.sub.12).sub.2, or CR.sub.7 OR.sub.13 O, where R.sub.7 is an alkyl, cycloalkyl or alkenyl group containing 1 to 5 carbons, R.sub.8 is an alkyl group of 1 to 10 carbons, or a cycloalkyl group of 5 to 10 carbons, or R.sub.8 is phenyl or lower alkylphenyl, R.
    Type: Grant
    Filed: August 23, 1994
    Date of Patent: March 12, 1996
    Inventors: Roshantha A. Chandraratna, Min Teng
  • Patent number: 5449827
    Abstract: The invention relates to an azomethine of the following composition: ##STR1## in which R.sup.1 is H or a branched or unbranched C.sub.1-14 -alkyl radical, andR.sup.2 is a branched or unbranched C.sub.1-14 -alkyl radical, an C.sub.1-14 alkyl-substituted phenyl radical or a C.sub.1 -C.sub.8 -(cyclo)-alkyl radical.It further relates to a process for preparing an azomethine, in which ##STR2## is reacted with the corresponding carbonyl compounds ##STR3## The invention also relates to the use of the azomethines for the preparation of certain polyazomethines (poly-Schiff bases), where the azomethines are reacted with diisocyanates or their adducts with polyols or their trimers, and to polyazomethine compounds.
    Type: Grant
    Filed: March 7, 1994
    Date of Patent: September 12, 1995
    Assignee: Huels Aktiengesellschaft
    Inventors: Rainer Lomoelder, Wilfried Paulen, Felix Schmitt, Elmar Wolf
  • Patent number: 5349086
    Abstract: A compound of the formula ##STR1## is prepared by reacting an N-acylated-o-toluidine of the formula ##STR2## with n-alkyllithium to form a dilithio intermediate of the formula ##STR3## which can then be quenched with N-benzylidenemethylamine to form compound II. Hydrolysis of compound(II) yields the free base ##STR4## or its salt, which can be cyclized to form 4,5-dihydro-2,3-dimethyl-4-phenyl-3H-1,3-benzodiazepine or its physiologically acceptable salts, which are useful as pharmacological agents.
    Type: Grant
    Filed: November 23, 1992
    Date of Patent: September 20, 1994
    Assignee: Hoechst-Roussel Pharmaceuticals, Inc.
    Inventors: Thomas B. K. Lee, George E. Lee
  • Patent number: 5189218
    Abstract: N-phenylbenzoquinone-imine is prepared by oxidizing N-(4-hydroxyphenyl)aniline in a liquid, at least partially organic reaction medium, in the presence of a basic compound and, advantageously, a catalytically effective amount of at least one manganese, copper, cobalt and/or nickel compound; this imine can be reacted with an aliphatic or cycloaliphatic amine to produce an N-phenyl-N'-cycloalkyl-para-phenylene-diamine and an N-phenyl-N'-cycloalkyl-2,5-cyclohexadiene-1,4-diimine, such 1,4-diimine itself being easily reduced to the corresponding p-phenylenediamine.
    Type: Grant
    Filed: March 13, 1991
    Date of Patent: February 23, 1993
    Assignee: Rhone-Poulenc Chimie
    Inventors: Jean-Roger Desmurs, Hubert Kempf, Serge Ratton, Dominique Stephan
  • Patent number: 5169986
    Abstract: The present invention provides an organic nonlinear optical material including a benzylidene-aniline derivative having an electron-donating substituent introduced at the 4-position and an electron-accepting substituent introduced at the 4'-position, by selecting as the conjugated .pi. electronic system a benzylidene-aniline derivative having a large molelcular hyperpolarizability and yet a dipole moment as small as those of benzene derivatives, and introducing a molecular alignment-regulating substituent. The centrosymmetry in the bulk state of the material, for example, in the crystal state, is destroyed and the molecular alignment is regulated to such a bulk structure so that the optical nonlinearity possessed by the molecule is effectively utilized. The material exhibit a large optical nonlinearity never attained by conventional techniques.the intermolecular cohesive force due to the .pi. electron interaction between the molecules in the present invention is larger than that between a benzene derivative.
    Type: Grant
    Filed: October 19, 1990
    Date of Patent: December 8, 1992
    Assignee: Toray Industries, Inc.
    Inventors: Tetsuya Tsunekawa, Tetsuya Gotoh, Keiichi Egawa
  • Patent number: 5159103
    Abstract: 2-amino-7-hydroxytetraline ethers of formula ##STR1## wherein R' represents methyl substituted by a carboxy group or lower carbalkoxy group or a salt thereof; a process for their preparation starting from the 2-amino-7-hydroxytetraline, N-protection, O-alkylation and N-deprotection; N-protected intermediates; and use of the compounds I for the preparation of the corresponding phenylethanolaminotetralines.
    Type: Grant
    Filed: January 28, 1992
    Date of Patent: October 27, 1992
    Assignee: Sanofi
    Inventors: Robert Boigegrain, Roberto Cecchi, Sergio Boveri
  • Patent number: 5051527
    Abstract: The invention lies in novel ferroelectric liquid crystal compounds particularly represented by the general formulae, having a good responsibility in relation to the applied electric field and a wide range of phase transition points inclusive of the room temperature so as to be useful alone as the liquid crystal material but also to be mixed with other liquid crystal compounds for expanding the phase transition points to a desired range and making the response speed of the liquid crystal composition faster. ##STR1## In the formulae, m and n are same or different with each other and represent an integral of 1-20.
    Type: Grant
    Filed: February 28, 1989
    Date of Patent: September 24, 1991
    Assignee: Showa Shell Sekiyu K.K.
    Inventors: Yoshiichi Suzuki, Takashi Hagiwara, Hiroyuki Mogamiya
  • Patent number: 4987255
    Abstract: The present invention provides an organic nonlinear optical material including a benzylidene-aniline derivative having an electron-donating substituent introduced at the 4-position and an electron-accepting substituent introduced at the 4'-position, by selecting as the conjugated .pi. electronic system a benzylidene-aniline derivative having a large molecular hyperpolarizability and yet a dipole moment as small as those of benzene derivatives, and introducing a molecular alignment-regulating substituent. The centrosymmetry in the bulk state of the material, for example, in the crystal state, is destroyed and the molecular alignment is regulated to such a bulk structure so that the optical nonlinearity possessed by the molecule is effectively utilized. The material exhibits a large optical nonlinearity never attained by conventional techniques.The intermolecular cohesive force due to the .pi. electron interaction between the molecules in the present invention is larger than that between a benzene derivative.
    Type: Grant
    Filed: July 25, 1988
    Date of Patent: January 22, 1991
    Assignee: Toray Industries, Inc.
    Inventors: Tetsuya Tsunekawa, Tetsuya Gotoh, Keiichi Egawa
  • Patent number: 4831132
    Abstract: Novel ortho-(mono-substituted amino)phenylimines being intermediates to psychotropic drugs and other drugs are economically and industrially prepared by reacting anilines with nitriles in the presence of a boron trifluoride ether adduct and a halide-type Lewis acid, if necessary together with an organic base. Furthermore, the imines can be hydrolyzed with an acid to afford the corresponding ketones.
    Type: Grant
    Filed: December 30, 1986
    Date of Patent: May 16, 1989
    Assignee: Shionogi & Co., Ltd.
    Inventors: Tsutomu Sugasawa, Kazuyuki Sasakura
  • Patent number: 4730032
    Abstract: Novel mono- or difunctional phenylacetylene-substituted Schiff's base monomers useful in the preparation of electrically conducting polymers is disclosed. On heating, these monomers melt to a viscous liquid state, and on continued heating above about 300.degree. C. polymerize to form an electrically insulating thermoset polymer. On further post-cure heat treatment, the polymer becomes electroconductive showing a bulk conductivity of at least 10.sup.-2 S/cm.
    Type: Grant
    Filed: February 26, 1987
    Date of Patent: March 8, 1988
    Assignee: National Starch and Chemical Corporation
    Inventors: Robert D. Rossi, Steven P. Fenelli
  • Patent number: 4596874
    Abstract: A nitrone is synthesized from a secondary amine by reacting a compound represented by the following general formula ##STR1## wherein R.sup.1 and R.sup.2 mean individually a hydrogen atom or an alkyl or aryl group and R.sup.3 denotes an alkyl or aryl group with a peroxide in the presence of a catalyst selected from the group consisting of tungsten compounds, molybdenum compounds, vanadium compounds, titanium compounds, palladium compounds, rhodium compounds, ruthenium compounds and nickel compounds. This process provides the nitrone by one-step oxidation of the secondary amine.
    Type: Grant
    Filed: March 8, 1984
    Date of Patent: June 24, 1986
    Assignee: The President of Osaka University
    Inventors: Shun-Ichi Murahashi, Hitoshi Mitsui
  • Patent number: 4556676
    Abstract: Novel trans-isomeric derivatives of 4-phenyl-1,2,3,4-tetrahydro-1-naphthalenamine are useful as antidepressant agents. These novel compounds act to block the synaptosomal uptake of norepinephrine and serotonin (5-hydroxy-tryptamine), thereby alleviating abnormalities at central receptor sites. The preferred embodiment is the enantiomer trans-(1R)-N-methyl-4-(3,4-dichlorophenyl)-1,2,3,4-tetrahydro-1-naphthalen amine and its pharmaceutically acceptable acid addition salts.
    Type: Grant
    Filed: September 5, 1980
    Date of Patent: December 3, 1985
    Assignee: Pfizer Inc.
    Inventors: Willard M. Welch, Jr., Charles A. Harbert, B. Kenneth Koe, Allen R. Kraska
  • Patent number: 4509970
    Abstract: Novel substituted phenylphosphinyloxy- and phenylphosphinylthio-iminocarboxylates, synthesis thereof, intermediates therefor, and the use of said novel compounds for the control of weeds.
    Type: Grant
    Filed: December 17, 1981
    Date of Patent: April 9, 1985
    Assignee: Zoecon Corporation
    Inventor: Shy-Fuh Lee
  • Patent number: 4497734
    Abstract: Asymmetrical 1:2 chromium complex dyestuffs which, in the form of the free acid, correspond to the formula ##STR1## wherein X represents CO or a direct bond andm represents 0 or 1 andthe rings a, b and c and, if present, fused-on benzene rings can carry further substituents customary in the chemistry of metal complex dyestuffs,are used for dyeing materials containing amide groups, in particular leather, and produce dyeings having a green hue and good general fastness properties.
    Type: Grant
    Filed: August 3, 1982
    Date of Patent: February 5, 1985
    Assignee: Bayer Aktiengesellschaft
    Inventor: Winfried Mennicke
  • Patent number: 4414414
    Abstract: Novel 4,4'-dithiodianil compounds are prepared by reacting 4,4'-dithiodianiline with an aromatic or pyridine aldehyde, such as 4-nitrobenzaldehyde. The novel dithiodianil compounds can be employed for detecting thiol compounds. They react with thiols to yield reaction products which possess a different color from the novel dithiodianil compound itself. The color change obtained in this manner with the novel compounds in many cases is stronger than that obtained with Ellman's reagent frequently employed for detecting thiols.
    Type: Grant
    Filed: September 14, 1981
    Date of Patent: November 8, 1983
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Thaddeus J. Novak
  • Patent number: 4371721
    Abstract: A process for selective cracking of 1,4-disubstituted benzene compounds having at least one polar substituent. Mixtures containing isomers of such a compound are brought into contact with a specified type of shape selective crystalline zeolite catalyst under conditions of temperature and pressure conducive to reaction of said benzene compound, thereby selectively reacting the 1,4-disubstituted isomer in preference to the 1,2- and 1,3-disubstituted isomers of said polar benzene compound. The shape selective zeolite catalysts employed herein are crystalline zeolites characterized by a silica to alumina ratio of at least about 12 and a constraint index within the approximate range of 1 to 12.
    Type: Grant
    Filed: September 25, 1981
    Date of Patent: February 1, 1983
    Assignee: Mobil Oil Corporation
    Inventor: Margaret M. Wu
  • Patent number: 4348538
    Abstract: A process for the preparation of a 3-bromo-4-fluoro-benzaldehyde acetal of the formula: ##STR1## in which R each independently is a C.sub.1 to C.sub.4 alkyl group or the radicals R together are a C.sub.2 to C.sub.5 alkanediyl radical,comprising reacting 3-bromo-4-fluoro-phenylglyoxylic acid of the formula: ##STR2## with an amine of the formula:H.sub.2 N--R.sup.1in whichR.sup.1 is an alkyl, cycloalkyl or aryl radical, at a temperature between about 0.degree. and 200.degree. C. to produce a 3-bromo-4-fluoro-benzaldimine of the formula: ##STR3## and reacting that with an alcohol or alkanediol of the formula:(HO).sub.n --Rin which n is 1 or 2 in the presence of sulphuric acid at a temperature between about 0.degree. and 100.degree. C. Various of the reactants are new and syntheses are given.
    Type: Grant
    Filed: September 16, 1981
    Date of Patent: September 7, 1982
    Assignee: Bayer Aktiengesellschaft
    Inventors: Fritz Maurer, Uwe Priesnitz, Hans-Jochem Riebel, Bernd Gallenkamp, Erich Klauke
  • Patent number: 4333930
    Abstract: Compounds, exhibiting central nervous system activity, of the formula ##STR1## wherein R.sub.1 is phenyl which is unsubstituted or substituted by at least one member selected from the group consisting of halogen, CF.sub.3, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy and COOH, orR.sub.1 is ##STR2## or R.sub.1 is a heterocycle selected from the group consisting of ##STR3## R.sub.2 R.sub.3 R.sub.4 and R.sub.5, which may be identical or different, are H or CH.sub.3 ;R.sub.6 and R.sub.7, which may be identical or different, are C.sub.1 -C.sub.6 alkyl, which may be straight-chained or branched, orR.sub.7 can be H when R.sub.6 is a branched-chain alkyl, orR.sub.6 and R.sub.7 can form, with the nitrogen to which they are bonded, a heterocycle selected from the group consisting of ##STR4## R.sub.8 R.sub.9 R.sub.10 and R.sub.11, which may be identical or different, are H, halogen, CF.sub.3, hydroxy or C.sub.1 -C.sub.4 alkoxy, or two contiguous members of R.sub.8 R.sub.9, R.sub.10 and R.sub.
    Type: Grant
    Filed: February 23, 1981
    Date of Patent: June 8, 1982
    Assignee: Laboratoires Sarget
    Inventors: Marie-Helene Creuzet, Claude Feniou, Francoise Guichard, Gisele Prat
  • Patent number: 4318848
    Abstract: Chemical reaction products, obtained in an alkaline medium and which require the addition of a dispersing agent, are neutralized by addition of a free surface-active acid to which, after its preparation, basic agents have not been added or have only been added up to a pH value of 3.
    Type: Grant
    Filed: January 3, 1978
    Date of Patent: March 9, 1982
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Heinz Molls, Willy Schiwy, Reinhold Hornle, Reinhard Nebeling
  • Patent number: 4297502
    Abstract: An aromatic bisazomethine prepared from the disubstituted benzidines and aromatic aldehydes, characterized by the general formula ##STR1## wherein each R=COOCH.sub.3, COOC.sub.2 H.sub.5, COOH, CH.sub.2 Cl, CHCl.sub.2, CH.sub.2 Br, CCl.sub.3, Cl or Br andeach R'=Cl, OCH.sub.3 or CH.sub.3.
    Type: Grant
    Filed: June 19, 1980
    Date of Patent: October 27, 1981
    Assignee: Dynamit Nobel Aktiengesellschaft
    Inventors: Hans-Joachim Herrmann, Gunther Meyer, Klaus-Dieter Steffen
  • Patent number: 4283557
    Abstract: A compound with the formula: ##STR1## wherein R is selected from the class consisting of H--, F--, Cl--, CH.su-n F.sub.n, and CH.sub.3-n Cl.sub.n and n is an integer from 1 to 3 and the polymer resulting therefrom by heating at a temperature from about the melting point to about 300.degree. C. The polymer is suitable as a high-temperature structural material and a semiconductor material.
    Type: Grant
    Filed: December 10, 1979
    Date of Patent: August 11, 1981
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: Theodore R. Walton
  • Patent number: 4273940
    Abstract: It has been found that bis(2-benzylaminoethyl)-disulfides with the phenyl rings carrying various simple substituents, are highly effective anti-inflammatories and inhibit chemotaxis of human neutrophils.
    Type: Grant
    Filed: May 13, 1980
    Date of Patent: June 16, 1981
    Assignee: Abbott Laboratories
    Inventors: Fortuna Haviv, George W. Carter
  • Patent number: 4246429
    Abstract: Novel .alpha.-amino-phenylacetic acid derivatives, said phenyl having at least one substituent other than hydrogen, are useful as herbicidal, algicidal and plant growth regulatng agents.
    Type: Grant
    Filed: April 9, 1979
    Date of Patent: January 20, 1981
    Assignee: Janssen Pharmaceutica, N.V.
    Inventor: Georges Van Daele
  • Patent number: 4231962
    Abstract: 3-Phenoxybenzylideneamines and 3-benzylbenzylideneamines of the formula ##STR1## in which R.sub.1 is hydrogen or alkyl, R.sub.2 is alkyl, with alkyl groups denoted by R.sub.1 and R.sub.2 together not containing more than 12 C atoms, or R.sub.1 and R.sub.2 together being alkylene having 4-11 C atoms, R.sub.3 is hydrogen, halogen, methyl or methoxy, and X.sub.1 is oxygen or --CH.sub.2 --; a process for obtaining them, and also their use for producing the corresponding aldehydes.
    Type: Grant
    Filed: May 29, 1979
    Date of Patent: November 4, 1980
    Assignee: Ciba-Geigy Corporation
    Inventors: Dieter Reinehr, Laurenz Gsell