Two Carbons Bonded Directly To The Same Chalcogen (e.g., Sulfones, Carboxylic Acid Esters, Ethers, Etc.) Patents (Class 558/174)
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Publication number: 20130330399Abstract: The present invention provides an aqueous tumor-targeting liposome nanoparticle composition comprising an aqueous dispersion of liposome nanoparticles. The nanoparticles preferably encapsulate an anti-cancer chemotherapeutic agent, which can be added to a pre-formed liposome composition or can be incorporated in the liposomes during the formation of the liposomes. The liposome nanoparticles comprise a legumain-targeting lipid admixed with one or more other micelle or vesicle-forming lipid materials in the form of nanoparticulate liposomes dispersed in an aqueous carrier. A preferred tumor-targeting liposome nanoparticle composition comprises (a) a legumain-targeting lipid component, (b) a zwitterionic lipid component; (c) an amino-substituted lipid component; (d) a neutral lipid component; and (e) polyethylene glycol-conjugated lipid component. The legumain-targeting lipid component comprising a hydrophobic lipid portion covalenetly attached to a legumain-binding moiety.Type: ApplicationFiled: September 2, 2011Publication date: December 12, 2013Inventors: Ralph A. Reisfeld, Rong Xiang, Yunping Luo, Debbie Liao, Ze Liu, Tingmei Chen, Si Chen, Dan Lu
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Publication number: 20130244982Abstract: Conjugates of drugs suitable for use in the treatment of inflammatory bowel disease and phospholipids, and their use in the treatment of inflammatory bowel disease, are disclosed. The disclosed conjugates serve as targeted prodrugs which are suitable for oral administration, and which are capable of releasing the drug selectively at the diseased tissue upon activation by PLA2.Type: ApplicationFiled: December 1, 2011Publication date: September 19, 2013Applicant: Bengurion University of the Negev Research and Development AuthorityInventor: Arik Dahan
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Publication number: 20130066098Abstract: The present invention provides phosphonate compounds and methods of preparing the phosphonate compounds so as to allow, for example, increased capability to modify nanoparticles for targeted drug delivery applications.Type: ApplicationFiled: August 30, 2012Publication date: March 14, 2013Applicant: Mallinckrodt LLCInventors: Thomas E. Rogers, Kah Tiong Kuan
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Publication number: 20120283216Abstract: Disclosed are compounds of Formula 1, N-oxides, and salts thereof, wherein Q is O or S; Z1 and Z2 are each independently CR9 or N; and R1, R2, R3, R4, R5, R6, R7, R8 and R9 are as defined in the disclosure. Also disclosed are compositions containing the compounds of Formula 1 and methods for controlling plant disease caused by a fungal pathogen comprising applying an effective amount of a compound or a composition of the invention.Type: ApplicationFiled: December 22, 2010Publication date: November 8, 2012Inventors: Alvin Donald Crews, JR., Amy X. Ding, Chi-Ping Tseng
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Publication number: 20120252764Abstract: The present invention provides compositions and methods for protecting cells and tissues from damage associated with therapeutic treatments of cancers and other diseases and conditions where reactive oxygen species are produced. The present invention also provides compositions useful as research reagents.Type: ApplicationFiled: May 11, 2012Publication date: October 4, 2012Applicant: Perscitus Biosciences, LLCInventor: James P. Thomas
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Patent number: 7713950Abstract: Novel florfenicol compounds having the chemical structure: or a pharmaceutically-acceptable salt thereof or a solvate thereof, or prodrug thereof, wherein R1 is CHCl2, CHClF, CHF2, CHBrCl, CH3, CH2N3, CH2CN, CH(R2)NH2 or CHX1X2; where R2 is H, CH3 or CH2OH, and X1 and X2 are independently selected halogens; and R3 is CH2Cl, CH2F, CHF2, CHCl2 or CH2OH are disclosed. The compounds are useful for the treatment and/or prevention of bacterial infections in a broad range of patients such as, without limitation, birds, fish, shellfish and mammals.Type: GrantFiled: February 27, 2008Date of Patent: May 11, 2010Assignee: Intervet Inc.Inventors: Dale E. Shuster, Scott J. Hecker, Tomasz W. Glinka, Rajeshwar Singh, Zhuoyi Su
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Publication number: 20100022482Abstract: The present invention relates to compounds of formula wherein the residues have various meanings and their use as pharmaceuticals.Type: ApplicationFiled: August 21, 2007Publication date: January 28, 2010Inventors: Karl Baumann, Andreas Billich, Berndt Oberhausen
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Publication number: 20090258422Abstract: The invention relates to compounds having general formula I in which X represents an optically detectable moiety, n is an integer with 1?n?20, R1 is an unbranched or branched alkyl group having 1 to 20 carbon atoms, and R2 is hydrogen or —CH2—O—R3 group, wherein R3 has the same meaning as R1. These compounds are useful as inhibitors of lipolytic enzymes and can be used as tools for analysis as well as discrimination of lipolytic enzymes in biological samples.Type: ApplicationFiled: June 23, 2009Publication date: October 15, 2009Applicant: AUSTRIA WIRTSCHAFTSSERVICE GESELLSCHAFT MIT BESCHRANKTER HAFTUNGInventors: Albin HERMETTER, Olga Oskolkova
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Patent number: 7399877Abstract: A phospholipid derivative represented by the following formula (I) wherein R1CO and R2CO independently represent an acyl group; R3 represents hydrogen atom, or a hydrocarbon group; symbol “a” represents an integer of 0 to 4; symbol “b” represents 0 or 1, provided that when a is 0, b is 0; X represents hydrogen atom, an alkali metal atom, an ammonium, or an organic ammonium; A1O and A3O represent an oxyalkylene group containing oxyethylene group, wherein the ratio of the oxyethylene group to the oxyalkylene group in A1O and A3O is 0.5 or larger in terms of a weight ratio; A2O represents an oxyalkylene group; symbols “m” and “q” represent an average molar number of added oxyalkylene groups; and symbol “n” represent an average molar number of added oxyalkylene groups; provided that m, n and q satisfy the following conditions: 5?m?600, 1?n?45, 0?q?200, 10?m+n+q?600, 0.04?n/(m+n+q), and q/(m+n+q)?0.Type: GrantFiled: March 19, 2004Date of Patent: July 15, 2008Assignees: NOF Corporation, Daiichi Pharmaceutical Co., Ltd.Inventors: Chika Itoh, Syunsuke Ohhashi, Kazuhiro Kubo, Tohru Yasukohchi, Hiroshi Kikuchi, Norio Suzuki, Miho Takahashi, Hitoshi Yamauchi
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Publication number: 20080146527Abstract: Novel florfenicol compounds having the chemical structure: or a pharmaceutically-acceptable salt thereof or a solvate thereof, or prodrug thereof, wherein R1 is CHCl2, CHClF, CHF2, CHBrCl, CH3, CH2N3, CH2CN, CH(R2)NH2 or CH X1X2; where R2 is H, CH3 or CH2OH, and X1 and X2 are independently selected halogens; and R3 is CH2Cl, CH2F, CHF2, CHCl2 or CH2OH are disclosed. The compounds are useful for the treatment and/or prevention of bacterial infections in a broad range of patients such as, without limitation, birds, fish, shellfish and mammals.Type: ApplicationFiled: February 27, 2008Publication date: June 19, 2008Inventors: Dale E. Shuster, Scott Hecker, Tomasz W. Glinka, Rajeshwar Singh, Zhuoyi Su
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Patent number: 7141557Abstract: A method of treating viral infections, and in particular HIV-1, hepatitis B virus, and herpes virus, is disclosed. The method comprises administering to a subject in need of such treatment an infection-controlling amount of a phospholipid or phospholipid derivative.Type: GrantFiled: September 20, 2004Date of Patent: November 28, 2006Assignees: Wake Forest University, University of North Carolina at Chapel HillInventors: Louis S. Kucera, Susan L. Morris-Natschke, Khalid S. Ishaq
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Patent number: 7135584Abstract: A method of treating viral infections, and in particular HIV-1, hepatitis B virus, and herpes virus, is disclosed. The method comprises administering to a subject in need of such treatment an infection-controlling amount of a phospholipid or phospholipid derivative.Type: GrantFiled: July 13, 2004Date of Patent: November 14, 2006Assignees: Wake Forest University, University of North Carolina at Chapel HillInventors: Louis S. Kucera, Susan L. Morris-Natschke, Khalid S. Ishaq
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Patent number: 6150344Abstract: Compounds of Formula I ##STR1## are disclosed as inhibitors having activity against the aspartyl proteases, plasmepsin and cathepsin D. The compounds are therefore useful for treatment of diseases such as malaria and Alzheimer's disease. In preferred compounds of Formula I, Y is an dialkoxyphosphonate, or .alpha.-hydroxyamide group and Z is an acyl or .alpha.-ketocarbamate functionality. Intermediates in the solid phase synthesis of compounds of Formula I, in which compounds are attached to a solid support, are also disclosed.Type: GrantFiled: May 26, 1999Date of Patent: November 21, 2000Assignee: Pharmacopeia, Inc.Inventors: Carolyn DiIanni Carroll, Roland Ellwood Dolle, III, Yvonne Class Shimshock, Timothee Felix Herpin
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Patent number: 6136797Abstract: The present invention concerns new lipid derivatives of phosphonocarboxylic acids of the general formula I, ##STR1## in which the meaning of the symbols is elucidated in the description, tautomers thereof and their physiologically tolerated esters and salts of inorganic or organic bases as well as processes for the production thereof and pharmaceutical agents containing these compounds.Type: GrantFiled: August 27, 1998Date of Patent: October 24, 2000Inventors: Harald Zilch, Dieter Herrmann, Hans-George Opitz, Gerd Zimmermann
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Patent number: 6030960Abstract: A method of treating hepatitis virus infection is disclosed. The method comprising administering to a human subject in need of such treatment an effective hepatitis virus-combatting amount of an alkyl lipid or alkyl lipid derivative.Type: GrantFiled: June 22, 1998Date of Patent: February 29, 2000Assignees: Wake Forest University, University of North Carolina at Chapel HillInventors: Susan L. Morris-Natschke, Louis S. Kucera
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Patent number: 5916922Abstract: A class of novel phenyl glyoxamides is disclosed together with the use of such compounds for inhibiting sPLA.sub.2 mediated release of fatty acids for treatment of conditions such as septic shock.Type: GrantFiled: November 24, 1997Date of Patent: June 29, 1999Assignee: Eli Lilly and CompanyInventors: Theodore Goodson, Jr., Richard Waltz Harper, David Kent Herron
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Patent number: 5770584Abstract: A method of treating hepatitis virus infection is disclosed. The method comprising administering to a human subject in need of such treatment an effective hepatitis virus-combatting amount of an alkyl lipid or alkyl lipid derivative.Type: GrantFiled: June 6, 1995Date of Patent: June 23, 1998Assignees: Wake Forest University, University of North CarolinaInventors: Louis S. Kucera, Susan L. Morris-Natschke
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Patent number: 5741923Abstract: An improved process for producing ethylenically unsaturated phosphate ester compounds, especially 2-(methacryloyloxyethyl)-2' (trimethylammoniomethyl) phosphate, (HEMA-PC) comprises a two step reaction in the first of which a phospholane reagent is reacted with a hydroxyl containing ethylenically unsaturated starting material, and in the second of which the intermediate formed in the first step is ring opened by reaction with trimethylamine to produce a zwitterionic product. In the process the two steps of the reaction are carried out in the same solvent with substantially no removal or addition of solvent after the first step. The solvent is preferably acetonitrile. The use of pure reagents avoids the production of undesirable by-products. The product is suitable for polymerising, for instance to provide cross-linked hydrogel copolymers used in ophthalmic applications.Type: GrantFiled: May 23, 1996Date of Patent: April 21, 1998Assignee: Biocompatibles LimitedInventors: Michael John Driver, Deborah Jane Jackson
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Patent number: 5686633Abstract: Inks, particularly inks for ink jet printing, contain at least one compound of the formula I ##STR1## as a stabilizer. The symbols R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.3 ' and R.sub.4 ' are as defined in claim 1. The compounds are in part novel and are suitable for use as light stabilizers for organic materials.Type: GrantFiled: December 31, 1991Date of Patent: November 11, 1997Assignee: Ciba Specialty Chemicals CorporationInventors: Eric Vieira, Hugh Stephen Laver
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Patent number: 5639732Abstract: The present invention is directed to novel phosphorous-containing inhibitors of cysteine or serine proteases. Methods for the use of the protease inhibitors are also described.Type: GrantFiled: July 10, 1996Date of Patent: June 17, 1997Assignee: Cephalon, Inc.Inventors: John P. Mallamo, Ron Bihovsky, Ming Tao, Gregory J. Wells
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Patent number: 5519006Type: GrantFiled: March 30, 1995Date of Patent: May 21, 1996Assignee: SmithKline Beecham plcInventors: Lee J. Beeley, John M. Berge, Richard L. Jarvest
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Patent number: 5505936Abstract: Phosphoric diesters having formula (1): ##STR1## wherein R.sup.1 is an acyl group having at least one phenyl group; R.sup.2 is a C.sub.2-12 linear or branched alkylene group which may optionally be inserted with an oxygen atom between carbon atoms thereof; L is a C.sub.2-40 linear or branched alkyl group which may optionally be inserted with an oxygen atom between carbon atoms thereof or the group R.sup.1 -O-R.sup.2 ; M is a hydrogen atom, an alkali metal ion, a metal ion of di- or higher valence, an ammonium group, an alkanolammonium group having 2 to 14 carbon atoms, C.sub.1-14 alkylammonium group; and n is the valence of M are useful UV absorbing compounds. The phosphoric diesters remain on the skin for long periods of time and exhibit lasting UV shielding effects. The compounds and the cosmetic compositions containing the compounds are very safe to the skin.Type: GrantFiled: June 15, 1994Date of Patent: April 9, 1996Assignee: Kao CorporationInventors: Shinji Yano, Munehisa Okutsu, Katsumi Kita, Yoshiaki Fujikura, Junichi Fukasawa
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Patent number: 5436245Abstract: Hypotensive activity is exhibited by new phosphonate substituted amino or imino acids of the formula ##STR1## isomeric mixtures thereof and pharmaceutically acceptable salts thereof, wherein:X is an imino or amino acid of the formula ##STR2##Type: GrantFiled: November 17, 1993Date of Patent: July 25, 1995Assignee: E. R. Squibb & Sons, Inc.Inventor: Donald S. Karanewsky
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Patent number: 5344930Abstract: Compounds of the general formula: ##STR1## are useful as surfactants in the preparation of fluorocarbon emulsions, which can be used as oxygen-carrying blood substitutes, and for many other therapeutic and diagnostic applications. They are further useful in liposomal formulations which are themselves therapeutic agents or provide a vehicle for such agents.Type: GrantFiled: November 8, 1993Date of Patent: September 6, 1994Assignee: Alliance Pharmaceutical Corp.Inventors: Jean G. Riess, Francois Jeanneaux, Marie-Pierre Krafft, Catherine Santaella, Pierre Vierling
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Patent number: 5329029Abstract: An efficient, technically straightforward and inexpensive process for generating conjugates of phospholipids with biologically important molecules is described.Type: GrantFiled: November 5, 1992Date of Patent: July 12, 1994Inventor: Barbara Y. Wan
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Patent number: 5304549Abstract: Compounds of the formula ##STR1## wherein A is the group ##STR2## R.sup.1 is hydrogen, amino, protected amino, acylamino or lower alkyl optionally substituted by aryl, hydroxy, protected hydroxy, amino, protected amino, acylamino, maleimido, succinimido, naphthalimido, 2,3-dihydro-1,3-dioxo-1H-benz[d,e]isoquinol-2-yl, carboxy, protected carboxy, carbamoyl, mono(lower alkyl)carbamoyl, di(lower alkyl)carbamoyl, di(lower alkyl)amino, carboxy-lower alkanoylamino, pyrrolidino or morpholino; R.sup.2 is hydrogen or lower alkyl optionally substituted by aryl, amino, protected amino, di(lower alkyl)- amino, guanidino, carboxyl, protected carboxyl, carbamoyl, mono(lower alkyl) carbamoyl, di(lower alkyl)carbamoyl, di(lower alkoxy)phosphinyl, dihydroxyphosphinyl, pyrrolidino, piperidino or morpholino; R.sup.3 is hydrogen or lower alkyl optionally substituted by hydroxy, protected hydroxy, amino or protected amino; R.sup.4 is hydrogen, hydroxy, lower alkoxy or benzyloxy; and R.sup.Type: GrantFiled: January 21, 1992Date of Patent: April 19, 1994Assignee: Hoffmann-La Roche Inc.Inventors: Michael J. Broadhurst, Paul A. Brown, William H. Johnson, Geoffrey Lawton
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Patent number: 5155100Abstract: The invention relates to the N-phosphonomethyl-biaryl substituted dipeptide derivatives of formula I ##STR1## wherein A represents a direct bond, lower alkylene, phenylene or cyclohexylene; m represents 1 or zero, provided that m represents 1 when A is a direct bond; R.sub.2 represents hydrogen, hydroxy, lower alkyl, aryl-lower alkyl, C.sub.5 -C.sub.Type: GrantFiled: May 1, 1991Date of Patent: October 13, 1992Assignee: Ciba-Geigy CorporationInventors: Mark D. Erion, Stephane De Lombaert
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Patent number: 5151521Abstract: New phosphonic acid derivatives are described which display antibacterial activity.Type: GrantFiled: June 12, 1991Date of Patent: September 29, 1992Assignee: Merck & Co., Inc.Inventors: Yoshiharu Morita, Haruyuki Chaki, Yasuo Hoshide, Junko Takashima, Arthur A. Patchett
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Patent number: 5073547Abstract: A monophosphorylated L-dopa ester of formula ##STR1## (wherein the asterisk, R, R.sub.1, R.sub.2 and R.sub.3 have the meanings shown in the description),salts thereof with pharmaceutically acceptable acids or bases, a process for the preparation thereof and a pharmaceutical composition containing said compound or a salt thereof are described.The compound of formula I and the salts thereof are useful in the treatment of Parkinson's disease, renal failure, heart failure and hypertension.Type: GrantFiled: April 20, 1990Date of Patent: December 17, 1991Assignee: Simes Societa Italiana Medicinali e Sintetici S.p.A.Inventors: Cesare Casagrande, Francesco Santangelo
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Patent number: 5061806Abstract: New phosphonic acid derivatives are described which display antibacterial activity.Type: GrantFiled: May 24, 1990Date of Patent: October 29, 1991Assignee: Merck & Co., Inc.Inventors: Yoshiharu Morita, Yasuo Hoshide, Haruyuki Chaki, Junko Takashima, Arthur A. Patchett
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Patent number: 5051413Abstract: The invention relates to unsaturated amino acids of the formula I ##STR1## in which R.sup.1 represents hydroxy or etherified hydroxy, R.sup.2 represents hydrogen, alkyl, hydroxy or etherified hydroxy, R.sup.3 represents hydrogen, alkyl, haloalkyl, hydroxyalkyl, lower alkoxyalkyl, arylalkyl, lower alkenyl, halogen or aryl, R.sup.4 represents hydrogen, alkyl or aryl, R.sup.5 represents hydrogen or alkyl, R.sup.6 represents carboxy or esterified or amidated carboxy, R.sup.7 represents amino or amino substituted by alkyl or acyl, A represents unsubstituted or alkyl-substituted .alpha.,.omega.-alkylene having from 1 to 3 carbon atoms or represents a bond, and B represents methylene or a bond, with the proviso that A is other than a bond when B represents a bond, and salts thereof. They can be manufactured, for example, in accordance with the Michaelis-Arbuzov reaction and can be used as pharmacologically active substances.Type: GrantFiled: December 18, 1989Date of Patent: September 24, 1991Assignee: Ciba-Geigy CorporationInventors: Christof Angst, Derek E. Brundish, John G. Dingwall, Graham E. Fagg, Hans Allgeier, Guido Bold, Rudolf Duthaler, Roland Heckendorn, Antonio Togni
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Patent number: 5006651Abstract: The invention relates compounds of the formula ##STR1## wherein R.sup.1 -R.sup.5 and X have the significance given in the description, and their pharmaceutically acceptable salts. The compounds of formula I inhibit the enzyme collagenase and can be used in the form of medicaments for the control or prevention of degenerative joint diseases such as rheumatoid arthritis and osteoarthritis.Type: GrantFiled: September 22, 1989Date of Patent: April 9, 1991Assignee: Hoffman-La Roche Inc.Inventors: Michael J. Broadhurst, Balraj K. Handa, William H. Johnson, Geoffrey Lawton, Peter J. Machin
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Patent number: 4906764Abstract: A process for producing a phosphinylamino acid derivative of the formula: ##STR1## wherein R.sup.1 is a lower alkyl group, R.sup.2 is a hydrogen atom, a lower alkyl group, a halo-lower alkyl group or a substituted or unsubstituted phenyl group, and R.sup.3 is a substituted or unsubstituted alkyl group or a substituted or unsubstituted phenyl group, which comprises reacting a compound of the formula: ##STR2## wherein R.sup.1 and R.sup.2 are as defined above, and/or a compound of the formula: ##STR3## wherein R.sup.1 and R.sup.2 are as defined above, with a compound of the formula:R.sup.3 CONH.sub.2 (IV)wherein R.sup.3 is as defined above, carbon monoxide and hydrogen in the presence of a catalyst containing a metal of group VIII of the Periodic Table.Type: GrantFiled: May 13, 1988Date of Patent: March 6, 1990Assignee: Nissan Chemical Industries Ltd.Inventors: Hideki Takamatsu, Hiroyuki Mutoh, Fumio Suzuki, Shinichiro Takigawa
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Patent number: 4897166Abstract: Acidic liquids, such as galvanic electrolyte solutions for metal electroplating, contain a surfactant and a foam inhibiting agent which is a perfluoroalkyl-containing ester of phosphoric acid.Type: GrantFiled: July 5, 1988Date of Patent: January 30, 1990Assignee: Bayer AktiengesellschaftInventors: Detlef Melzer, Erhardt Tabel, Hans-Peter Biermann
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Patent number: 4886542Abstract: Herbicidal compounds of formula: ##STR1## in which R.sup.1 denotes an optionally halogenated alkyl radical containing from 1 to 4 carbon atoms,R denotes the hydrogen atom or an alkyl group containing from 1 to 4 carbon atoms,R.sup.2 denotes the hydrogen atom or R.sup.21,R.sup.21 and R.sup.3 denotes optionally substituted aryl radicals,R.sup.4 denotes a hydrogen atom or a hydrogenolysable group R.sup.8,and the agriculturally acceptable salts of these compounds.Type: GrantFiled: April 7, 1987Date of Patent: December 12, 1989Assignee: Rhone-Poulenc AgrochimieInventors: Guy Borrod, Guy Lacroix
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Patent number: 4788182Abstract: Described are phosphatidyl compounds of the formula I ##STR1## in which R.sup.1 represents C.sub.3-14 -alkanoyl, benzoyl, the acyl radical of an .alpha.-aminocarboxylic acid that is other than glycine, L-alanine and derivatives thereof having a substituted amino group, and of which the .alpha.-amino group may be substituted by lower alkanoyl, lower alkoxycarbonyl or by benzyloxycarbonyl, or the acyl radical of a .beta.-aminocarboxylic acid or an .alpha.- or .beta.-hydroxycarboxylic acid,T represents a group NH that is unsubstituted or is substituted by lower alkyl, or oxygen,Y represents dimethylene that is unsubstituted or is substituted by free, etherified or amidated carboxy,W represents hydrogen, andZ represents a 1,2-dihydroxyethyl, 2-hydroxyethyl or hydroxymethyl group, in which at least one of the hydroxy groups is esterified by an aliphatic C.sub.8-30 -carboxylic acid or is etherified by an aliphaticC.sub.Type: GrantFiled: October 23, 1987Date of Patent: November 29, 1988Assignee: Ciba-Geigy CorporationInventors: Gerhard Baschang, Bruno Fechtig, Albert Hartmann, Bohumir Lukas, Oskar Wacker
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Patent number: 4777279Abstract: Process for the preparation of L-homoalanin-4-yl(methyl)-phosphinic acid (esters) of the formula I ##STR1## (R, R.sub.1 =H, alkyl) or salts thereof by reacting an R-3-isopropyl-2,5-dialkoxy-3,6-dihydropyrazine of the formula II with a .beta.-halogenoethyl(methyl)phosphinic acid ester of the formula IV ##STR2## (R', R.sub.1 '=alkyl) to give compounds of the formula V ##STR3## and then subjecting the latter to hydrolytic cleavage.Type: GrantFiled: December 1, 1986Date of Patent: October 11, 1988Assignee: Hoechst AktiengesellschaftInventor: Hans-Joachim Zeiss
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Patent number: 4755209Abstract: A phenoxyalkanoylaminomethylphosphonic acid represented by the following formula (I) ##STR1## wherein X and Y are identical or different and each represents a hydrogen atom, a halogen atom, CF.sub.3 or an alkyl group having not more than 5 carbon atoms, Z represents CH or N, and R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are identical or different and each represents a hydrogen atom or a lower alkyl group having 1 to 5 carbon atoms. The compound is useful, as a herbicide, for eradicating weeds, especially narrow-leaved weeds.Type: GrantFiled: April 4, 1986Date of Patent: July 5, 1988Assignee: Teijin LimitedInventors: Shizuo Azuma, Toshiyuki Hiramatsu, Koji Nakagawa, Yataro Ichikawa
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Patent number: 4755614Abstract: Preparation of intermediates for herbicides of formula ##STR1## by the reaction of organic phosphites with benzoxazines of formulaBzx--CH.sub.2 --CO--Y (II)in whichBzx denotes the radical of formula: ##STR2## X is a usual substituent of phenols n is an integer from 0 to 4R.sup.1 and R.sup.2 are H or such that OR.sup.1 and OR.sup.2 are hydrolyzableY is --OM or --NR.sup.3 R.sup.4M is H or is such that COOM is a salt or an esterR.sup.3 and R.sup.4 are H or a hydrocarbon radical, and one of them can be R.sup.5 --SO.sub.2 --, andR.sup.5 is a hydrocarbon radical, substiuted if appropriate. Products obtained by the process and their use as herbicides.Type: GrantFiled: March 20, 1986Date of Patent: July 5, 1988Assignee: Rhone-Poulenc AgrochimieInventor: Jean-Pierre Corbet
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Patent number: 4738708Abstract: Herbidical compounds of the formula: ##STR1## in which R.sup.1 denotes an optionally substituted hydrocarbon radical, R denotes the hydrogen atom or has one of the meanings given for R.sup.1 ; R.sup.2 and R.sup.3 denote the hydrogen atom or are such that OR.sup.2 and OR.sup.3 are hydrolyzable groups; R.sup.4 denotes a hydrogen atom or a hydrogenolyzable group, and the agriculturally acceptable salts of these compounds.Type: GrantFiled: July 27, 1984Date of Patent: April 19, 1988Assignee: Rhone-Poulenc AgrochimieInventors: Guy Borrod, Guy Lacroix
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Patent number: 4723029Abstract: This invention relates to organic acid-substituted guanidine compounds. Also disclosed are methods for preparing the compounds, compositions containing them, and methods for their use as anthelmintics.Type: GrantFiled: September 23, 1983Date of Patent: February 2, 1988Assignee: Schering CorporationInventors: Dhiru B. Vashi, Jeffrey N. Clark, Neil A. Lindo
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Patent number: 4716156Abstract: Novel compounds having the formula ##STR1## wherein R is lower alkyl having 1 to 6 carbon atoms, have shown utility as insecticides and miticides.Type: GrantFiled: August 26, 1981Date of Patent: December 29, 1987Assignee: Stauffer Chemical Co.Inventor: Llewellyn W. Fancher
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Patent number: 4670422Abstract: Compounds of the formula ##STR1## wherein X is various amino or imino acids and esters are disclosed. These compounds are useful as anti-hypertensive agents due to their angiotensin converting enzyme inhibition activity and depending upon the definition of X may also be useful as analgesics due to their enkephalinase inhibition activity.Type: GrantFiled: March 27, 1986Date of Patent: June 2, 1987Assignee: E. R. Squibb & Sons, Inc.Inventors: Donald S. Karanewsky, Tamara Dejneka
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Patent number: 4654072Abstract: Compounds having the formula ##STR1## in which R is hydrogen, cyano or --COOR.sub.2 ; R.sub.1 is hydrogen or C.sub.1 -C.sub.4 alkyl; R.sub.2 is hydrogen or C.sub.1 -C.sub.4 alkyl; and Z is ##STR2## in which A is halogen, B is halogen or hydrogen and Y is nitrogen or --CH--, are herbicides.Type: GrantFiled: September 17, 1985Date of Patent: March 31, 1987Assignee: Stauffer Chemical CompanyInventor: Raymond A. Felix
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Patent number: 4599205Abstract: The invention is related to 1-O-alkyl-3-amino-propan-1.Type: GrantFiled: June 25, 1984Date of Patent: July 8, 1986Assignee: A. Nattermann & Cie GmbHInventors: Hans-Heiner Lautenschlager, Michael J. Parnham, Gerrit Prop
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Patent number: 4579691Abstract: When applied as safeners, the haloacylaminoalkylphosphinates, haloacylaminoalkylphosphinates and haloacylaminoalkylphosphine oxides of the formula I below are able to protect cultivated plants from the phytotoxic effects of herbicides. Suitable crops are preferably sorghum, cereals, rice, maize and soya beans and the herbicides employed are chloroacetanilides and thiocarbamates.The haloacylaminoalkylphosphonates, haloacylaminoalkylphosphinates and haloacylaminoalkylphosphine oxides have the formula I ##STR1## wherein R.sub.1 is C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.2 -C.sub.4 alkenyloxy, C.sub.2 -C.sub.4 alkynyloxy, C.sub.1 -C.sub.4 haloalkyl, C.sub.2 -C.sub.8 alkoxyalkoxy or C.sub.1 -C.sub.4 cyanoalkoxy,R.sub.2 is hydrogen or a substituent as defined for R.sub.1,R.sub.3 and R.sub.4 are each independently hydrogen, C.sub.1 -C.sub.4 alkyl or one of R.sub.3 and R.sub.4 is also a radical ##STR2## or both taken together with the carbon atom to which they are attached are also a C.sub.3 -C.sub.Type: GrantFiled: April 11, 1984Date of Patent: April 1, 1986Assignee: Ciba-Geigy CorporationInventors: Ludwig Maier, Hans Moser