Chalcogen Attached Indirectly To The -c(=o)s- Group By Acyclic Nonionic Bonding Patents (Class 558/252)
  • Patent number: 9381279
    Abstract: Implantable devices formed of or coated with a material that includes a polymer having a non-fouling acrylate or methacrylate polymer are provided. The implantable device can be used for treating or preventing a disorder such as atherosclerosis, thrombosis, restenosis, hemorrhage, vascular dissection or perforation, vascular aneurysm, vulnerable plaque, chronic total occlusion, patent foramen ovale, claudication, anastomotic proliferation for vein and artificial grafts, bile duct obstruction, ureter obstruction, tumor obstruction, or combinations thereof.
    Type: Grant
    Filed: April 19, 2010
    Date of Patent: July 5, 2016
    Assignee: Abbott Cardiovascular Systems Inc.
    Inventor: Stephen D. Pacetti
  • Patent number: 8835638
    Abstract: This invention relates to 1,3-oxathiolane derivatives (I), processes for the preparation of 1,3-oxathiolane derivatives and intermediate compounds thereof.
    Type: Grant
    Filed: April 12, 2013
    Date of Patent: September 16, 2014
    Assignee: Apotex Pharmachem Inc.
    Inventors: Craig Stewart, Michael B. Johansen, Probal Kanti Datta, Yajun Zhao
  • Patent number: 8609857
    Abstract: The present invention provides bifunctional polymers, methods of preparing the same, and intermediates thereto. These compounds are useful in a variety of applications including the PEGylation of biologically active molecules. The invention also provides methods of using said compounds and compositions thereof.
    Type: Grant
    Filed: May 14, 2012
    Date of Patent: December 17, 2013
    Assignee: Intezyne Technologies, Inc.
    Inventors: Kurt Breitenkamp, Kevin Sill, Habib Skaff
  • Publication number: 20130274474
    Abstract: This invention relates to 1,3-oxathiolane derivatives (I), processes for the preparation of 1,3-oxathiolane derivatives and intermediate compounds thereof.
    Type: Application
    Filed: April 12, 2013
    Publication date: October 17, 2013
    Applicant: APOTEX PHARMACHEM INC.
    Inventors: Craig Stewart, Michael B. Johansen, Probal Kanti Datta, Yajun Zhao
  • Publication number: 20120226050
    Abstract: The present invention provides bifunctional polymers, methods of preparing the same, and intermediates thereto. These compounds are useful in a variety of applications including the PEGylation of biologically active molecules. The invention also provides methods of using said compounds and compositions thereof.
    Type: Application
    Filed: May 14, 2012
    Publication date: September 6, 2012
    Applicant: Intezyne Technologies, Inc.
    Inventors: Kurt Breitenkamp, Kevin N. Sill, Habib Skaff
  • Patent number: 8026231
    Abstract: The invention relates to novel aminothiol ester compounds having the general formula (I): and to a method for preparing them and to their use in pharmaceutical compositions intended for use in human or veterinary medicine (cancers and precancers, dermatological, rheumatic and ophthalmological complaints in particular) or in cosmetic compositions. The invention also relates to a pharmaceutical or cosmetic composition, characterized in that it comprises, as active agent, a compound of general formula (I) in combination with a pharmaceutically or cosmetically acceptable support.
    Type: Grant
    Filed: March 28, 2006
    Date of Patent: September 27, 2011
    Assignee: CNRS
    Inventors: Guy Fournet, Gerard Anthony Quash, Jacques Gore
  • Patent number: 7759514
    Abstract: Novel compounds and compositions including those compounds, as well as methods of using and making the compounds are herein described. The compounds are useful in therapeutic applications, including modulation of disease or disease symptoms in a subject (e.g., mammal, human, dog, cat, horse). The compounds are useful as modulators of the mu opioid receptor (MOR) through their binding affinity with that receptor.
    Type: Grant
    Filed: May 29, 2007
    Date of Patent: July 20, 2010
    Inventors: Bryce A. Harrison, Tiffany Malinky Gierasch, Gregory L. Verdine, Zhangjie Shi
  • Publication number: 20090318729
    Abstract: The invention provides a novel immobilized Lewis acid catalyst which exhibits high catalytic activity in an aqueous solution and which permits recovery and reuse or long-term continuous use. The invention relates to an immobilized Lewis acid catalyst comprising a solid substance and a Lewis acid supported on the surface of the solid substance by chemical bonding, wherein the surface of the solid substance and the peripheries of the Lewis acid are coated with an ionic liquid, more specifically, an immobilized Lewis acid catalyst comprising a solid substance such as silica gel or an organic polymer and a Lewis acid stable even in water which is supported on the surface of the solid substance by chemical bonding, wherein the surface of the solid substance and the peripheries of the Lewis acid are completely or partially coated with a hydrophobic ionic liquid; a process for the production of the catalyst; use thereof; and a process for the preparation of compounds with the catalyst.
    Type: Application
    Filed: March 12, 2007
    Publication date: December 24, 2009
    Applicant: JAPAN SCIENCE AND TECHNOLOGY AGENCY
    Inventors: Shu Kobayashi, Yuichiro Mori, Gu Yanlong
  • Patent number: 7122693
    Abstract: The acetaldehyde compounds, 2-thiobenzoylacetaldehyde diethylacetal, 2-benzoyloxyacetaldehyde bis(2-methoxyethyl)acetal, 2-hydroxyacetaldehyde bis( 2-methoxyethyl)acetal, 2-thiobenzoylacetaldehyde bis(2-methoxy-ethyl)acetal, and 2-thioacetaldehyde bis(2-methoxyethyl)acetal, are useful as intermediates in the synthesis of substituted 1,3-oxathiolanes and substituted 1,3-dioxolanes.
    Type: Grant
    Filed: July 9, 2004
    Date of Patent: October 17, 2006
    Assignee: Shire BioChem Inc.
    Inventors: Pierette Belleau, executrix of estate, Dilip M. Dixit, Nghe Nguyen-Ba, Bernard Belleau, deceased
  • Patent number: 7078402
    Abstract: The invention relates to novel aminothiol ester compounds having the general formula (I): and to a method for preparing them and to their use in pharmaceutical compositions intended for use in human or veterinary medicine (cancers and precancers, dermatological, rheumatic and ophthalmological complaints in particular) or in cosmetic compositions. The invention also relates to a pharmaceutical or cosmetic composition, characterized in that it comprises, as active agent, a compound of general formula (I) in combination with a pharmaceutically or cosmetically acceptable support.
    Type: Grant
    Filed: May 31, 2001
    Date of Patent: July 18, 2006
    Assignee: Centre National de la Recherche Scientifique (CNRS)
    Inventors: Guy Fournet, Gerard Anthony Quash, Jacques Gore
  • Patent number: 7045547
    Abstract: Compounds of formula I wherein A is R3, OR3, SR3, and NR3R4; and R1, R2, R3 and R4 are as defined. The compounds of the invention are reversible inhibitors of acyl-CoA dehydrogenase, and are useful in treating disorders such as diabetes, heart diseases (including angina and congestive heart failure), and peripheral vascular disease in patients suffering from these diseases or conditions resulting thereof.
    Type: Grant
    Filed: August 20, 2002
    Date of Patent: May 16, 2006
    Assignee: University of Delaware
    Inventors: Colin Thorpe, Wenzhong Wang
  • Patent number: 7008919
    Abstract: The compounds of formula in the form of any one of their isomers or of mixtures thereof, and wherein R represents a hydrogen atom or an acetyl group, R1 represents a methyl or an ethyl group and R2 represents a C3–C4 linear or branched alkyl group, are useful for the perfume and flavor industries.
    Type: Grant
    Filed: March 25, 2002
    Date of Patent: March 7, 2006
    Assignee: Firmenich SA
    Inventors: Matthijs Van De Waal, Sina Dorothea Escher, Yvan Niclass
  • Patent number: 6867321
    Abstract: The present invention provides a method for producing compound (XIV) useful as an intermediate for pharmaceutical agents efficiently and economically on an industrial scale without using ozone oxidation and highly toxic reagent, and an intermediate used for this method. Particularly, the present invention provides a method for producing a compound having an absolute configuration represented by the formula (XV) and an enantiomer thereof without using a technique such as optical resolution and the like, and an intermediate used for this method. (1) Compound (XIII) as a starting material is led to compound (I), and after introducing a protecting group, subjected to reduction and cyclization to give compound (XIV). Particularly, compound (XIII) as a material is led to compound (I) via compound (XX) to produce compound (XIV).
    Type: Grant
    Filed: December 23, 2003
    Date of Patent: March 15, 2005
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Tetsuya Ikemoto, Dongguo Piao
  • Publication number: 20030120102
    Abstract: Method for the preparation of (S)-2-acetylthio-3-phenylpropionic acid, wherein (R)-2-bromo-3-phenylpropionic acid is contacted with thioacetic acid and an organic base, for example triethylamine. Preferably the base is metered to a mixture of (R)-2-bromo-3-phenylproprionic acid and thioacetic acid at a temperature between −10° C. and +30° C.
    Type: Application
    Filed: December 2, 2002
    Publication date: June 26, 2003
    Inventors: Franciscus Alphons Marie Lommen, Helmut Koller, Herbert Scherubl
  • Patent number: 6562995
    Abstract: Amidomethyl esters, carbonylmercaptomethyl esters, keto-containing esters, amidomethyl thioesters, amidomethyl amides, and methylene dithioesters are disclosed. The novel compounds have two carbonyl groups connected by a linking moiety having an oxygen, sulfur or nitrogen attached to a methylene group, to which is further attached a sulfur, nitrogen or CH2 group. Methods of treating illnesses and conditions, such as cancer, hemological disorders, inherited metabolic disorders and others, using these compounds are also disclosed.
    Type: Grant
    Filed: December 21, 2000
    Date of Patent: May 13, 2003
    Assignee: Beacon Laboratories, Inc.
    Inventors: Hsuan-Yin Lan-Hargest, Norbert L. Wiech
  • Patent number: 6492545
    Abstract: A novel process in which an optically active alcohol compound having a desired absolute configuration and a high optical purity can be obtained by asymmetrically hydrogenating a &bgr;-keto acid compound through a simple operation. An optically active alcohol represented by general formula (III) as defined is obtained by asymmetrically hydrogenating a &bgr;-keto ester compound represented by general formula (I) as defined in the presence of at least one ruthenium complex having as a ligand an optically active tertiary diphosphine compound represented by general formula (II) as defined.
    Type: Grant
    Filed: July 23, 2001
    Date of Patent: December 10, 2002
    Assignee: Takasago International Corporation
    Inventors: Takao Saito, Tohru Yokozawa, Kazuhiko Matsumura, Noboru Sayo
  • Patent number: 6417368
    Abstract: The invention provides a resin-immobilized imine represented by the following formula: P—Q—N—═CH—R   I [in the formula, P represents the principal chain of a resin polymer; Q represents a substituted or unsubstituted hydrocarbon side chain or a substituted or unsubstituted hydrocarbon side chain with a heteroatom interposed therein; R represents a substituted or unsubstituted hydrocarbon group or heterocyclic group] and a resin-immobilized &bgr;-aminocarbonyl compound of the following formula: which can be released as &bgr;-aminocarbonyl compound from the solid phase; and the invention also provide a resin-immobilized amine of the following formula: —P—Q1—O—Q2—NH2   III [Q1 and Q2 independently represent a hydrocarbon chain such as arylene, alkylenearylene or arylenealkylene], which is essential for solid state synthesis; and the invention has enabled the solid state synthesis of &bgr;-am
    Type: Grant
    Filed: November 8, 2000
    Date of Patent: July 9, 2002
    Assignee: Japan Science and Technology Corporation
    Inventors: Shu Kobayashi, Yoji Aoki
  • Patent number: 6346547
    Abstract: Low-toxicity, highly-bioavailable, pharmaceutical antioxidant compositions for preferred oral administration to mammals are provided which have at least one amino acid-based compound of the general formula (I): A—N(Z)—CH(R1)C(O)—Q  (I) wherein A is represented by the formula: XO—[C(R2)2]n— wherein n is an integer of from 1 to about 3, X is selected from the group consisting of a hydrogen atom, an acyl group and a halogenated acyl group and each R2 is independently selected from the group consisting of a hydrogen atom, an alkyl group having from 1 to about 3 carbon atoms, a hydroxyalkyl group having from 1 to about 3 carbon atoms, and CH2OX; Z is selected from the group consisting of a hydrogen atom, an alkyl group of from 1 to about 3 carbon atoms, and A; R1 is an amino acid side chain group or an amino acid side chain group which forms with R2 a single heterocyclic structure having a total of from 5 to 7 atoms in the ring; and wherein Q is a substituent s
    Type: Grant
    Filed: February 8, 2000
    Date of Patent: February 12, 2002
    Assignee: Checkpoint, Genetics, Inc.
    Inventor: Nathan Tzodikov
  • Patent number: 6284258
    Abstract: The present invention relates to compounds that are two-part molecules, and compositions containing such compounds, in which one part is designed to become covalently bonded to the skin (bonding agent) and the other part (a characteristic use agent) is designed to impart some characteristic use, such as emolliency, moisturizing effect, anti-acne, anti-wrinkle, anti-pain, antimicrobial, antifungal, antiviral, anti-irritation, skin tanning and skin lightening effects, extended protection of the skin (e.g., from ultraviolet light, by incorporation of a sunscreen component; from toxic and/or irritating substances; from insects and skin parasites, by incorporation of insecticides and/or insect repellants; from free radicals or other agents, as in aging, by incorporation of antioxidants), or dyeing of hair, skin nails, wool or fuir. The covalently bonded part may also be useful to impart skin strengthening effect (e.g., from shear forces) or as wound healing agents.
    Type: Grant
    Filed: September 10, 1998
    Date of Patent: September 4, 2001
    Assignee: Arizona Board of Regents
    Inventors: Seth D. Rose, Rosemarie F. Hartman, Carmen Chow, Cathryn M. Rose, K. Daniel Rose
  • Patent number: 6248781
    Abstract: The present invention relates to compounds of formula (I) wherein R1, R2, R3, R4, R5, R6, R7, R8, Ar, X, Q, A, Y and Z are as defined in the specification. These compounds are useful in the treatment and/or prevention of conditions mediated by nuclear receptors, in particular the Peroxisome Proliferator-Activated Receptors (PPAR).
    Type: Grant
    Filed: October 19, 1999
    Date of Patent: June 19, 2001
    Assignees: Novo Nordisk A/S, Dr. Reddy's Research Foundation
    Inventors: Lone Jeppesen, Paul Stanley Bury, Per Sauerberg
  • Patent number: 6239306
    Abstract: Compounds of the formula (I) and their salts as defined in claim 1, in which R1 is CO—Q—R8, where R8=H or R R2 and R3 are H or (C1-C4)alkyl, R4 is H, R, RO, OH, RCO, RSO2, PhSO2 R5 is RSO2, PhSO2, PhCO, RNHSO2, R2NSO2, RCO, CHO, COCOR′, CW—T—R9, CW—NR10R11, CW—N(R12)2 or R4 and R5 together are the chain (CH2)mB or —B1—(CH2)m1B— where B=SO2, m=3, 4; m1=2, 3; T and W=O, S; Q=O, S, NR13 where R13=H, R; R6=H, R, RO, RCO, ROCO, Hal, NO2, CN; R7=H, CH3; R9=R; R10, R11=H, R; N(R12)2=heterocycle A=pyrimidinyl and triazinyl radical or an analog thereof, where R=(substituted) aliphatic hydrocarbon radical, are suitable as selective herbicides. They are prepared by analogous processes via sulfonamides, some of which are new, of the formula (II) (see claim 4).
    Type: Grant
    Filed: February 1, 1999
    Date of Patent: May 29, 2001
    Assignee: Hoechst Schering AgrEvo GmbH
    Inventors: Klaus Lorenz, Lothar Willms, Klaus Bauer, Hermann Bieringer
  • Patent number: 6177462
    Abstract: Compounds with fungicidal and insecticidal properties having formula wherein X is N or CH; Y is O, S or NR6; A is independently hydrogen, halo, cyano, (C1-C12)alkyl, or (C1-C12)alkoxy; R1 and R6 is independently hydrogen or (C1-C4)alkyl; R2 is independently hydrogen, (C1-C12)alkyl, halo(C1-C12)alkyl, (C3-C7)cycloalkyl, (C2-C8)alkenyl, halo(C2-C8)alkenyl, (C2-C8)alkynyl, halo(C2-C8)alkynyl, aryl, aralkyl, heterocyclic, or heterocyclic(C1-C4)alkyl; R3 is independently hydrogen or (C1-C4)alkyl; R4 and R5 is independently hydrogen, (C1-C4)alkyl, aryl, aralkyl, aryl(C2-C8)alkenyl, aryl(C2-C8)alkynyl, heterocyclic, or heterocyclic(C1-C4)alkyl wherein if one of R4 and R5 is hydrogen or (C1-C4)alkyl than the other of R4 and R5 is other than hydrogen or (C1-C4)alkyl, and its enantiomers and stereoisomers and agronomically acceptable salts.
    Type: Grant
    Filed: January 26, 1999
    Date of Patent: January 23, 2001
    Assignee: Rohm and Haas Company
    Inventors: Zhang Lixin, Li Zongcheng, Li Zhinian, Zhang Hong, Liu Changling, Li Bin, Steven Howard Shaber
  • Patent number: 6129941
    Abstract: A compound of formula ##STR1## wherein R represents a hydrogen atom or an acetyl group, is useful in perfumery and in the field of flavors. The compound of formula (I) confer an odor and flavor effect extremely powerful of the clary-sage type, even when used in small amounts.
    Type: Grant
    Filed: August 13, 1999
    Date of Patent: October 10, 2000
    Assignee: Firmenich SA
    Inventors: Sina Dorothea Escher, Matthijs Van De Waal
  • Patent number: 5985919
    Abstract: (Het)aryloxy-, -thio- and -aminocrotonates of the formula I ##STR1## where the substituents have the following meanings: U is oxygen, sulfur or amino;V is oxygen, sulfur, amino or alkylamino;X, Y and Z independently of one another are .dbd.N-- or .dbd.CR.sup.3 --;R.sup.1 and R.sup.2 independently of one another are alkyl;R.sup.3 is hydrogen, cyano, nitro, halogen, alkyl, haloalkyl, alkoxy, haloalkoxy, alkylthio and haloalkylthio; andR.sup.4 is an organic radical which is bonded to the skeleton directly or via an oxy, mercapto, amino, carboxyl or carbonylamino group,process for their preparation, and their use.
    Type: Grant
    Filed: October 30, 1997
    Date of Patent: November 16, 1999
    Assignee: BASF Aktiengesellschaft
    Inventors: Thomas Grote, Reinhard Kirstgen, Bernd Muller, Hubert Sauter, Albrecht Harreus, Hartmann Konig, Eberhard Ammermann, Gisela Lorenz, Siegfried Strathmann, Franz Rohl
  • Patent number: 5981778
    Abstract: A method of producing an ether-type thio-phospholipid of the formula (I): ##STR1## wherein: n is an integer of 13 to 17;A is C.sub.14 -C.sub.20 acyl group;G is a group selected from the group consisting of: ##STR2## which is useful as synthetic substrate of cytosolic phospholipase A.sub.2 inhibitors, said method being applicable to mass production of the compound (I), intermediates therefor and the preparation of the same are provided.
    Type: Grant
    Filed: March 23, 1998
    Date of Patent: November 9, 1999
    Assignee: Shionogi & Co., Ltd.
    Inventors: Mitsuaki Ohtani, Masahiro Fuji
  • Patent number: 5948819
    Abstract: An .alpha.-substituted phenylacetic acid derivative useful as an agricultural fungicide, represented by general formula (I), or a salt thereof, a process for producing the same, an intermediate for the production thereof, and an agricultural fungicide containing the same as the active ingredient, wherein R.sup.1 represents halogen, alkyl, OH, alkylthio, alkylsulfinyl, alkylsulfonyl, amino or nitro; Q represents aryl, heterocycle, mono- or disubstituted methyleneamino, (substituted amino-)methyl, alkyl, alkenyl, alkynyl, substituted carbonyl or substituted sulfonyl; X represents hydrogen, halogen, alkyl or OH; Y represents OH, alkylthio or amino; Z represents oxygen or sulfur; M represents oxygen, S(O)i (i being 0, 1 or 2), NR.sup.2 (R.sup.2 being hydrogen, alkyl or acyl) or a single bond; and n represents 0, 1 or 2.
    Type: Grant
    Filed: October 7, 1996
    Date of Patent: September 7, 1999
    Assignee: Shionogi & Co., Ltd
    Inventors: Toshikazu Ohtsuka, Takami Murashi, Shinji Suzuki, Michio Masuko, Hideyuki Takenaka
  • Patent number: 5912366
    Abstract: .alpha.,.alpha.-Difluoro-.beta.-hydroxy thiol esters of Formula (III): ##STR1## wherein: R.sup.c and R.sup.d are independently selected from the group consisting of H, C.sub.1 -C.sub.6 alkyl, substituted C.sub.1 -C.sub.6 alkyl, S-tert-butyl difluorothioacet-2-yl, C.sub.3 -C.sub.8 cycloalkyl, C.sub.3 -C.sub.8 cycloalkenyl, substituted C.sub.3 -C.sub.8 cycloalkyl, substituted C.sub.3 -C.sub.8 cycloalkenyl, aryl, substituted aryl, C.sub.6 -C.sub.10 fused aromatic rings, and substituted C.sub.6 -C.sub.10 fused aromatic rings; orR.sup.c and R.sup.d together make up a ring selected from the group consisting of C.sub.3 -C.sub.8 cycloalkyl, C.sub.3 -C.sub.8 cycloalkenyl, substituted C.sub.3 -C.sub.8 cycloalkyl and substituted C.sub.3 -C.sub.8 cycloalkenyl;R.sup.e is selected from the group consisting of C.sub.1 -C.sub.10 alkyl, substituted C.sub.1 -C.sub.10 alkyl, aryl, substituted aryl, C.sub.3 -C.sub.8 cycloalkyl, C.sub.3 -C.sub.8 cycloalkenyl, substituted C.sub.3 -C.sub.8 cycloalkyl and substituted C.sub.3 -C.sub.
    Type: Grant
    Filed: January 22, 1998
    Date of Patent: June 15, 1999
    Assignee: Eli Lilly and Company
    Inventor: John A. Weigel
  • Patent number: 5811579
    Abstract: The present invention relates to a method of synthesizing a 2-substituted nitrogen containing compound having a formula (I): ##STR1## by reacting a hydroxylamine of formula (II); ##STR2## or a nitrone of formula (III): ##STR3## with a compound of formula (IV); ##STR4## thereby to form an intermediate compound, and thereafter causing or allowing said intermediate compound to undergo a pericyclic sigmatropic rearrangement reaction to form the compound (I); wherein X is a nucleofugal group, Y is selected from O,S,NH,NR.sub.5 and CR.sub.6 R.sub.7, R.sub.1 is a group which directs the reactivity of compound (II) on to the oxygen atom and R.sub.2 to R.sub.9 are each a substituted or unsubstituted aliphatic, aromatic, heteroaryl or cyclic group or hydrogen which is substantially inert or is protected during the reaction.
    Type: Grant
    Filed: May 7, 1997
    Date of Patent: September 22, 1998
    Assignee: Eastman Kodak Company
    Inventor: John DeMita Goddard
  • Patent number: 5756775
    Abstract: A process to make .alpha.,.alpha.-difluoro-.beta.-hydroxy thiol esters of formula (IIIA) ##STR1## comprising reacting a difluoroethanethioate of formula (IVA) ##STR2## with a second reactant selected from the group consisting of aldehydes, ketones, acid halides and esters; in a solvent and in the presence of a strong base; with the proviso that the process is conducted in the absence of a catalyst and in the absence of a silyl containing compound. These thiol esters are useful as intermediates in organic syntheses of pharmaceutical products.
    Type: Grant
    Filed: December 9, 1996
    Date of Patent: May 26, 1998
    Assignee: Eli Lilly and Company
    Inventor: John A. Weigel
  • Patent number: 5736747
    Abstract: Organic compounds having at least one ethylenically-unsaturated group are described, the organic compounds being suitable for use in coatable compositions as reactive diluents; compounds of the invention preferably have a divalent organic linking moiety devoid of reactive groups other than optional ethylenically-unsaturated groups, and a polar organic moiety and are particularly adept in solubilizing aminoplast resins having radiation-curable pendant groups.
    Type: Grant
    Filed: February 23, 1996
    Date of Patent: April 7, 1998
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Ernest L. Thurber, Eric G. Larson, Alan R. Kirk, Gregg D. Dahlke
  • Patent number: 5651831
    Abstract: A process for immobilizing organic and inorganic pollutants in contaminated soil materials in which partial remediation areas of a reconstruction site are purified by an on-site procedure presenting no danger to the surrounding ground water. With a clay mineral content of greater than or equal to 60 wt. %, both organic and inorganic pollutants are reduced and immobilized by washing with an alkylammonium compound. When the clay mineral content is less than 60 wt. %, a bentonite compound is added in controlled amounts and the pollutants are immobilized or further washed out.
    Type: Grant
    Filed: July 1, 1994
    Date of Patent: July 29, 1997
    Inventor: Kai Kruse
  • Patent number: 5587499
    Abstract: These compounds are denoted by the following formula (I): ##STR1## in which: Z denotes H or a linear or branched alkyl radical,X denotes O or S,each of A and B independently denotes an alkylene radical, it being possible for this radical to be substituted,R denotes H or an alkali metal, or else a linear or branched alkyl radical,x has the value of 0 or 1, andy has the value of 0, 1 or 2,the radical A not existing if x and y are both equal to 0, X being incapable of denoting O when R=alkyl and when R=H with x=y=0, and B being incapable of denoting optionally substituted methylene when X=S, x=y=0 and R=alkyl.According to the invention, different simple and efficient processes are proposed for preparing these new compounds, which can be applied to the preparation of new polymers and copolymers.
    Type: Grant
    Filed: May 11, 1995
    Date of Patent: December 24, 1996
    Assignee: ELF Atochem S.A.
    Inventors: Mich ele Curci, Jean-Luc Mieloszynski, Daniel Paquer
  • Patent number: 5491170
    Abstract: .beta.-Carboxy sulfonyl compounds of the formula ##STR1## wherein R.sub.1 is aryl, R.sub.3 is hydrogen or alkyl, R.sub.3 and R.sub.4 are hydrogen or alkyl, Y is --O--, --S--, or --NR.sub.2 --, and R.sub.5 is alkyl or aryl are potent inhibitors of the enzyme acyl CoA:cholesterol acyltransferase (ACAT) and are thus useful for treating hypercholesterolemia and atherosclerosis.
    Type: Grant
    Filed: December 19, 1994
    Date of Patent: February 13, 1996
    Assignee: Warner-Lambert Company
    Inventors: Helen T. Lee, Joseph A. Picard, Drago R. Sliskovic
  • Patent number: 5478959
    Abstract: A method for preparing 1,4-(Z,Z)-disubstituted-1,4-disulfurated-1,3-butadienes is disclosed. The butadienes can be further elaborated to provide 3,6-unsymmetrically-substituted-1,2-dithiins. Also disclosed are butadienes prepared by the method of the invention. These butadienes are useful as intermediates in the synthesis of antibiotic 1,2-dithiins.
    Type: Grant
    Filed: October 5, 1994
    Date of Patent: December 26, 1995
    Assignee: The Research Foundation of State University of New York
    Inventors: Eric Block, Chuangxing Guo
  • Patent number: 5449805
    Abstract: Alkylamino-mercaptoalkylamides have the formula ##STR1## wherein A represents the divalent radical --(CH.sub.2)n--, wherein n is a whole number ranging from 2 to 5, or the divalent radical --(CH.sub.2).sub.2 --O--(CH.sub.2).sub.2 --,m is 0, 1 or 2,R.sub.1 represents hydrogen or linear or branched lower alkyl having 1-5 carbon atoms,R.sub.2 and R.sub.3, each independently, represent hydrogen or a linear or branched lower alkyl having 1-4 carbon atoms with the proviso that R.sub.2 and R.sub.3 are not hydrogen simultaneously and the salts of the compound of formula I as well as the corresponding disulfides with the exclusion of the disulfide in which A.dbd.--(CH.sub.2).sub.2 --, m=0, R.sub.1 and R.sub.2 .dbd.H and R.sub.3 .dbd.--C.sub.2 H.sub.5. The compound of formula I is used as a reducing agent in a cosmetic composition for the permanent deformation of hair.
    Type: Grant
    Filed: March 2, 1994
    Date of Patent: September 12, 1995
    Assignee: L'Oreal
    Inventors: Alex Junino, Gerard Malle, Bernadette Luppi
  • Patent number: 5434289
    Abstract: A process for producing an optically active .beta.-hydroxyketone represented by formula (I): ##STR1## by catalytic asymmetrical aldol reaction is disclosed, comprising reacting a silyl-enol ether represented by formula (II): ##STR2## with a substituted aldehyde represented by formula (III):R.sup.5 CHO (III)in the presence of a binaphthol-titanium complex represented by formula (IV): ##STR3## An optically active .beta.-hydroxyketone is efficiently produced with diastereo-specificity and enantio-specificity.
    Type: Grant
    Filed: March 10, 1994
    Date of Patent: July 18, 1995
    Assignee: Takasago International Corporation
    Inventors: Koichi Mikami, Satoru Matsukawa, Masaki Shimizu, Masahiro Terada, Noboru Sayo
  • Patent number: 5424472
    Abstract: The invention relates to a method of producing (meth)acryloylthio esters of general formula I ##STR1## where R represents hydrogen or methyl, and R.sup.1 represents a phenyl group, a substituted phenyl group, a C.sub.1-24 alkyl group, a substituted C.sub.1-24 alkyl group, a cyclic C.sub.3-24 alkyl group;comprising reacting (meth)acrylic acid anhydride (formula II) ##STR2## where R represents hydrogen or methyl, with at least the stoichiometric amount with a thiol or thiolate of formula IIIR.sub.1 --S--M, (III)where M represents hydrogen or a metal cation, andR.sub.1 is defined as above.
    Type: Grant
    Filed: October 12, 1993
    Date of Patent: June 13, 1995
    Assignee: Roehm GmbH Chemische Fabrik Patentabteilung
    Inventors: Martina Bader, Patrik Hartmann, Gerhard Schwinn
  • Patent number: 5399673
    Abstract: Compounds containing at least one alkenyl group, at least one maleimide group and at least one rodlike mesogenic moiety are prepared by reacting one or more aminophenols containing one or more rodlike mesogenic moieties with a stoichiometric quantity of a maleic anhydride per amine group of said aminophenol and then alkenylating the resulting phenolic functional maleimide.
    Type: Grant
    Filed: February 9, 1993
    Date of Patent: March 21, 1995
    Assignee: The Dow Chemical Company
    Inventor: Robert E. Hefner, Jr.
  • Patent number: 5393764
    Abstract: The compounds of the present invention comprise substituted phenolic thioethers represented by the formula ##STR1## wherein: R.sup.1 and R.sup.2 are the same or different and independently represent tert-alkyl or phenyl; R.sup.3 represents hydrogen or alkyl; X represents --(CH.sub.2).sub.w --B--(CH.sub.2).sub.y -- wherein B represents O, S, or CH.sub.2 and w and y can each independently be an integer from 0 to 3 with the proviso that the sum of w+y is equal to or less than 3; A represents O or S(O).sub.n wherein n is 0, 1 or 2; p is an integer from 1 to 4; and R represents alkyl; OH; OR.sup.4 wherein R.sup.4 is alkyl of 1 to 4 carbon atoms; NR.sup.5 R.sup.6 wherein R.sup.5 is hydrogen or alkyl and R.sup.6 is hydrogen, alkyl, heterocyclealkyl in which the hetercyclic ring may optionally be substituted; cycloalkyl; substituted cycloalkyl; phenyl; substituted phenyl; phenylalkyl; or substituted phenylalkyl; or NR.sup.5 R.sup.6 together form a heterocyclic ring which may optionally be substituted; or R is (CH.
    Type: Grant
    Filed: August 25, 1993
    Date of Patent: February 28, 1995
    Assignee: G. D. Searle & Co.
    Inventors: Richard A. Mueller, Richard A. Partis
  • Patent number: 5376655
    Abstract: A derivative of p-guanidinobenzoic acid of the general formula (IA): ##STR1## wherein Y represents an oxygen atom or a sulfur atom and (a) when Y is an oxygen atom, (R.sup.1).sub.m is selected from the group consisting of:5-(4-guanidinobenzoyloxy)-3-methoxymethyl, 3,5-dicarboxy, 3,5-bis(isopropoxycarbonyl), 3,5-bistrifluoromethyl, 3-acetyl, 3,5-bis(N-ethylcarbamoyl), and 3,5-bis(N-propylcarbamoyl);(b) when Y is a sulfur atom, (R.sup.1).sub.m is selected from the group consisting of:2-methyl, 3-methyl, 4-fluoro, 2-chloro, 3-chloro, 2,5-dichloro 2,6-dichloro, 3,4-dichloro, 2-bromo, 2-methoxycarbonyl, and 4-(N,N-diethylaminosulfonyl);or an acid addition salt of said derivative. A method for the treatment or prevention of diseases induced by abnormal enhancing of degradation of proteins by the action of elastase in mammals subject to or suffering therefrom, including the step of administering an effective amount of a p-guanidinobenzoic acid as described herein, is also disclosed.
    Type: Grant
    Filed: June 2, 1993
    Date of Patent: December 27, 1994
    Assignee: Ono Pharmaceutical Co., Ltd.
    Inventors: Katsuhiro Imaki, Yoshinobu Arai, Hiroyuki Ohno
  • Patent number: 5356925
    Abstract: Novel N-(mercaptoalkyl)urea or carbamates of the formulae I and II ##STR1## wherein A is a monocyclic or bicyclic arylene or heteroarylene;Q is hydrogen or R.sub.9 CO--;Y is --O--,--S-- or --NR.sub.8 --;R.sub.1 is lower alkyl, cyclolower alkyl, aryl or heteroaryl;R.sub.2 and R.sub.8 are independently hydrogen; lower alkyl; cyclolower alkyl; substituted lower alkyl; aryl; or heteroaryl;R.sup.3 is --OR.sub.5 or --NR.sub.5 R.sub.6 ;R.sub.4 is --(CH.sub.2).sub.q R.sub.7 ; or R.sub.2 and R.sub.4 and the carbons to which they are attached complete a ring;R.sub.5 and R.sub.6 are hydrogen, lower alkyl, hydroxy lower alkyl, lower alkoxy lower alkyl or aryl lower alkyl, or R.sub.5 and R.sub.
    Type: Grant
    Filed: February 11, 1993
    Date of Patent: October 18, 1994
    Assignee: Schering Corporation
    Inventors: Bernard R. Neustadt, Alan Bronnenkant
  • Patent number: 5321000
    Abstract: Acids, esters, amides and salts of benzhydryl compounds are antidotes for thiocarbamate and acetamide herbicides. These antidote compounds are especially effective to safen acetamide herbicides used to control grassy weeds and broadleaf weeds in rice, sorghum, corn and wheat.
    Type: Grant
    Filed: June 29, 1992
    Date of Patent: June 14, 1994
    Assignee: Monsanto Company
    Inventors: Lawrence H. Brannigan, Ronald J. Brinker, Robert J. Kaufman, Suzanne Metz
  • Patent number: 5312832
    Abstract: The present invention relates to 2-decarboxyl-2-acylthioalkyl prostaglandins that are potent ocular hypotentives, and are particularly suitable for the management of glaucoma.
    Type: Grant
    Filed: May 17, 1991
    Date of Patent: May 17, 1994
    Assignee: Allergan, Inc.
    Inventor: Ming F. Chan
  • Patent number: 5308536
    Abstract: An optically active 4-mercaptocinnamic acid derivative represented by general formula (1) ##STR1## wherein R.sup.1 represents an alkyl group, an alkoxy group alkylthio group having 6 to 14 carbon atoms; X is H or F; Y is H or CH.sub.3 ; n is 0 or 1; Z is CH.sub.3 or CF.sub.3 ; and R.sup.2 represents a C.sub.2-8 alkyl group, preparation method, bistable or tristable liquid crystal composition containing at least one such derivative, and a liquid crystal display device including such a liquid crystal composition.The compound of general formula (1) decreases liquid crystal temperature range and broadens it, and enables realizing a bistable or tristable chiral smectic phase. The compound can be used alone or as blended with other liquid crystals having a smectic phase or ferroelectric liquid crystals as a material for liquid crystal devices.
    Type: Grant
    Filed: July 12, 1993
    Date of Patent: May 3, 1994
    Assignee: Showa Denko K.K.
    Inventors: Shuichi Naijoh, Ayako Nishioka, Chozo Inoue
  • Patent number: 5290956
    Abstract: This invention relates to latent thiol monomers and their use in the synthesis of polymers. In addition, this invention relates to novel polymers and graft copolymers formed with these latent thiol monomers.
    Type: Grant
    Filed: November 4, 1991
    Date of Patent: March 1, 1994
    Assignee: Rohm and Haas Company
    Inventors: William D. Emmons, Andrew W. Gross
  • Patent number: 5223516
    Abstract: Compounds of the formula ##STR1## wherein Y can be tetrazolyl are disclosed. These compounds are useful as cardiovascular agents.
    Type: Grant
    Filed: April 24, 1991
    Date of Patent: June 29, 1993
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Norma G. Delaney, George C. Rovnyak, Melanie J. Loots
  • Patent number: 5210267
    Abstract: The present invention provides novel optically-active aliphatic .beta.-halogen substituted carboxylic acid 4'-(4-alkoxybenzyloxy)biphenyl thioester compounds of the general formula: ##STR1## wherein R represents a straight-chained alkyl radical having C.sub.2 to C.sub.10 carbon atoms and X represents a halogen atom, and a process for the preparation thereof. The novel biphenyl thioester compounds provided according to the present invention are usable as a dopant or a base material for liquid crystal blending, thereby improving the properties of LCD.
    Type: Grant
    Filed: April 16, 1991
    Date of Patent: May 11, 1993
    Assignee: Samsung Electron Devices Co., Ltd.
    Inventors: Youngjae Chun, Junha Suh
  • Patent number: 5205947
    Abstract: The present invention is directed to an oil-soluble lubricating oil additive comprising at least one adduct of (A) a polyolefin of 700 to 5,000 number average molecular weight substituted with carboxylic acid producing moieties (preferably acid or anhydride moieties), and (B) a monoepoxy thiol.
    Type: Grant
    Filed: June 27, 1991
    Date of Patent: April 27, 1993
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Jacob Emert, Robert D. Lundberg
  • Patent number: 5179121
    Abstract: Novel 4-chloro-4,4-difluorothiobutyric acid derivatives of the formula I ##STR1## in which R.sub.1 and R.sub.2 are, independently of one another, hydrogen, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 halogenoalkyl and R.sub.3 is hydrogen or an organic radical can be employed as pest-control agents. Control of insects and arachnids is possible and preferable.
    Type: Grant
    Filed: August 15, 1991
    Date of Patent: January 12, 1993
    Assignee: Ciba-Geigy Corporation
    Inventors: Peter Maienfisch, Manfred Boger, Eginhard Steiner
  • Patent number: 5175310
    Abstract: A process is provided for producing alkylthio-substituted carboxylic acids and arylthio-substituted carboxylic acids and their corresponding alkylthio-substituted thioesters and arylthio-substituted thioesters. The process comprises reacting a mercaptan with a lactone in the presence of an acidic catalyst at temperatures of about 100.degree. C. to about 350.degree. C. The process for preparing the thio-substituted carboxylic acids and thio-substituted thioesters may be a continuous process or a batch process.
    Type: Grant
    Filed: March 16, 1990
    Date of Patent: December 29, 1992
    Assignee: Elf Atochem North America, Inc.
    Inventors: Michael J. Lindstrom, Bernard Buchholz, Robert B. Hager