Patents Examined by James H. Turnipseed
  • Patent number: 5187158
    Abstract: The subject compounds, which are adapted for the site-specific/sustained delivery of centrally acting drug species to the brain, are:(a) compounds of the formula[D-DHC] (I)wherein [D] is a centrally acting drug species, and [DHC] is the reduced, biooxidizable, blood-brain barrier penetrating lipoidal form of a dihydropyridine .revreaction. pyridinium salt redox carrier, with the proviso that when [DHC] is ##STR1## wherein R is lower alkyl or benzyl and [D] is a drug species containing a single NH.sub.2 or OH functional group, the single OH group when present being a primary or secondary OH group, said drug species being linked directly through said NH.sub.
    Type: Grant
    Filed: January 10, 1991
    Date of Patent: February 16, 1993
    Assignee: University of Florida
    Inventor: Nicholas S. Bodor
  • Patent number: 5187276
    Abstract: The invention relates to substituted 2-pyrimidinyl-1-piperazine derivatives defined herein by formula (I), processes for their manufacture, compositions containing said substituted 2-pyrimidinyl-1-piperazine derivatives as active materials and the use of said compounds and compositions as agents effecting the central nervous system. Also included in the invention are intermediates of formula (VIII) for making the active formula (I) compounds.
    Type: Grant
    Filed: November 28, 1990
    Date of Patent: February 16, 1993
    Assignee: Troponwerke GmbH & Co. KG.
    Inventors: Peter-Rudolf Seidel, Harald Horstmann, Jorg Traber, Wolfgang Dompert, Thomas Glaser, Teunis Thurman
  • Patent number: 5185337
    Abstract: There is described pyrroloquinoline derivatives of general formula: ##STR1## wherein R' is a C.sub.1 -C.sub.6 alkyl group, R.sup.2 is a group: ##STR2## or group: ##STR3## wherein R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are as defined, or salt thereof. These compounds have an antimicrobial activity.
    Type: Grant
    Filed: April 25, 1991
    Date of Patent: February 9, 1993
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Setsuro Fujii, deceased, Kaoruko Takada, legal heir, Hiroshi Ishikawa, Hidetsugu Tsubouchi, Koichiro Jitsukawa
  • Patent number: 5182401
    Abstract: A process for the preparation of a 3-amino-2-(het)aroyl-acrylic acid derivative fo the formula ##STR1## in which Y represents a nitrile, or an ester group, --COOR.sub.1, or an acetyl group, whereR.sup.1 denotes C.sub.1 -C.sub.4 -alkyl, andR denotes optionally substituted alkyl, cyclopropyl, alkoxy, phenyl or amino,A represents nitrogen or C--R.sub.2, whereR.sub.2 denotes hydrogen, methyl, halogen, nitro, methoxy or cyano,X.sub.1 and X.sub.2 are identical or different and denote halogen, andX.sub.3 denotes hydrogen, halogen or nitro andX.sub.4 denotes halogen, nitro, methoxy or methylthio, which comprises reacting a 3-dialkylamino-2-(het)aroyl-acrylic acid derivative of the formula ##STR2## in which R.sub.3 and R.sub.4 are the same or different and represent an alkyl group having 1 to 4 carbon atoms, or, together with the nitrogen atom to which they are bonded, form a ring,with a primary amine of the formula R--NH.sub.2 in the presence of at least one equivalent of an acid HX in a solvent or in excess acid.
    Type: Grant
    Filed: May 2, 1991
    Date of Patent: January 26, 1993
    Assignee: Bayer Aktiengesellschaft
    Inventor: Klaus Grohe
  • Patent number: 5182301
    Abstract: A new diphenyl-methane derivative is useful to inhibit agglomeration of blood and is defined by the formula, including a diphenylethylene derivative and a benzophenone oxime ether derivative. ##STR1## in which R1 and R2 each are hydrogen, hydroxyl or a lower alkoxy, U is .dbd.CXY or .dbd.N--O--W,X is hydrogen, cyano or --COR6, R6 being hydroxyl or an amino, Y is --R10--COOR3, R3 being hydrogen or a lower alkoxy, R10 being an alkylene having 1 to 3 carbon atoms, straight or branched, --CO--NR4R5, R4 and R5 each being hydrogen, a lower alkyl or a lower arylalkyl, --CH2--NHSO2--C6H5 or --C(R8).dbd.NR7, R7 being a lower alkoxy or an aryl, R8 is --VR9, V being oxygen, sulfur or nitrogen, R9 being an alkyl or an aryl,W is --CH2--CO--CH2--COOR13, R13 being hydrogen or a lower alkyl, --CH2--C(.dbd.
    Type: Grant
    Filed: February 21, 1991
    Date of Patent: January 26, 1993
    Assignee: Eisai Co., Ltd.
    Inventors: Youji Yamagishi, Kozo Akasaka, Takeshi Suzuki, Mitsuaki Miyamoto, Kouji Nakamoto, Kazuo Okano, Shinya Abe, Hironori Ikuta, Kenji Hayashi, Hiroyuki Yoshimura, Tohru Fujimori, Koukichi Harada, Isao Yamatsu
  • Patent number: 5177085
    Abstract: 6,7-Di(C.sub.1-4 alkoxy)-1-[3,5-di(C.sub.1-4 alkoxy)phenyl]-3,4-dihydro-3-hydroxy-methyl-isoquinolines, their physiologically hydrolyzable and -acceptable esters and acid addition salts thereof are novel. The said compounds and esters and pharmaceutically acceptable acid addition salts thereof are useful as pharmaceuticals, e.g. in the treatment of asthma.
    Type: Grant
    Filed: December 12, 1991
    Date of Patent: January 5, 1993
    Assignee: Sandoz Ltd.
    Inventor: Reto Naef
  • Patent number: 5171863
    Abstract: Anti-inflammatory 4-substituted 2-furanones are made from intermediates having the formulas: ##STR1## in which R.sub.1, R.sub.2 and R.sub.3 independently are n-alkyl of 1 to 6 carbons, or branched chain alkyl of 1 to 6 carbons; X is H, OH, NH.sub.2, I or Br; R.sub.4 is H, alkyl of 1-20 carbons, phenyl[C.sub.1 -C.sub.20 alkyl], naphthyl[C.sub.1 -C.sub.20 alkyl], CH.sub.2 OH, CH.sub.2 NH.sub.2, CH.sub.2 CH.sub.2 OH, CH.sub.2 --CHO, CH.sub.2 --COOH or CH.sub.2 --COOR.sub.5, and R.sub.5 is alkyl of 1 to 6 carbons, with the proviso that when X is hydrogen then R.sub.4 is selected from the group consisting of CH.sub.2 OH, CH.sub.2 NH.sub.2, CH.sub.2 CH.sub.2 OH, CH.sub.2 --CHO, or CH.sub.2 --COOR.sub.5 ; ##STR2## in which R.sub.1, R.sub.2 R.sub.3 independently are n-alkyl of 1 to 6 carbons, or branched chain alkyl of 1 to 6 carbons, and R.sub.5 is alkyl of 1 to 6 carbons; ##STR3## in which R.sub.1, R.sub.2 and R.sub.3 independently are n-alkyl of 1 to 6 carbons, or branched chain alkyl of 1 to 6 carbons, and R.sub.
    Type: Grant
    Filed: November 15, 1991
    Date of Patent: December 15, 1992
    Assignee: Allergan, Inc.
    Inventors: Gary C. M. Lee, Michael E. Garst
  • Patent number: 5166147
    Abstract: There are provided novel 1,4-dihydropyridine compounds, compositions containing them and methods of using them to treat congestive heart failure.
    Type: Grant
    Filed: July 9, 1990
    Date of Patent: November 24, 1992
    Assignee: The Du Pont Merck Pharmaceutical Company
    Inventor: Richard A. Earl
  • Patent number: 5166148
    Abstract: There are provided novel 1,4-dihydropyridine compounds possessing both calcium agonist and alpha.sub.1 -antagonist activity useful for treating congestive heart failure, pharmaceutical compositions containing them and methods of using these compounds to treat congestive heart failure in a mammal.
    Type: Grant
    Filed: July 9, 1990
    Date of Patent: November 24, 1992
    Assignee: The Du Pont Merck Pharmaceutical Company
    Inventors: Paul E. Aldrich, Richard A. Earl, Philip Ma
  • Patent number: 5164392
    Abstract: A quinoline derivative of the formula ##STR1## wherein Z is an amino group or a halogen atom, and R.sub.1, R.sub.2 and R.sub.3 are the same or different and each represents a hydrogen atom or a lower alkyl group having 1 to 5 carbon atoms,and an ester thereof and a salt of the derivative or the ester and processes for preparation thereof. These compounds show excellent antibacterial activity and are useful as antibacterial agents.
    Type: Grant
    Filed: October 17, 1988
    Date of Patent: November 17, 1992
    Assignee: Dainippon Pharmaceutical Co., Ltd.
    Inventors: Jun-ichi Matsumoto, Akira Minamida, Masahiro Fujita, Tohru Hirose, Junji Nakano, Shinichi Nakamura
  • Patent number: 5162327
    Abstract: Pyrimidinetrione derivatives, processes for their preparation, agents containing them and their use as agents for combating pests.Compounds of the formula I, tautomeric forms thereof of the formula Ia, stereoisomers thereof and the mixtures of these forms ##STR1## wherein R.sup.1 and R.sup.2 denote unsubstituted or substituted alkyl, alkenyl, alkynyl; alkoxy, alkylsulfonyl, alkylcarbonyl or cyano or optionally substituted phenyl, phenylsulfonyl or phenylcarbonyl,R.sup.3 denotes hydrogen, alkyl or optionally substituted phenyl,R.sup.4 denote H, OH, unsubstituted or substituted alkyl, alkenyl, alkynyl, phenylsulfonyl, phenylcarbonyl, phenylcarbamoyl or phenyl; alkylsulfonyl or alkylcarbonyl, which can be halogenated, alkylcarbamoyl or cyano,R.sup.5 and R.sup.
    Type: Grant
    Filed: February 2, 1990
    Date of Patent: November 10, 1992
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Gunter Kratt, Gerhard Salbeck, Werner Bonin, Dieter Duwel
  • Patent number: 5162340
    Abstract: Substituted 1-(2H)-isoquinolinones of the structural formula: ##STR1## are angiotensin II antagonists which are useful in the treatment of hypertension and congestive heart failure.
    Type: Grant
    Filed: May 10, 1991
    Date of Patent: November 10, 1992
    Assignee: Merck & Co., Inc.
    Inventors: Prasun K. Chakravarty, William J. Greenlee, Nathan B. Mantlo, Arthur A. Patchett, Dooseop Kim
  • Patent number: 5162362
    Abstract: What are disclosed are aminoacid compounds of the formula ##STR1## wherein n is 0 or 1, and salts thereof, said compounds and salts having hypotensive properties; methods for making the compounds; pharmaceutical compositions containing the compounds or salts; and use of the compounds and salts for treating hypertension.
    Type: Grant
    Filed: December 27, 1983
    Date of Patent: November 10, 1992
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Rolf Geiger, Volker Teetz, Hansjorg Urbach, Bernward Scholkens, Rainer Henning
  • Patent number: 5158959
    Abstract: What are disclosed are aminoacid compounds of the formula ##STR1## wherein n is 0 or 1, and salts thereof, said compounds and salts having hypotensive properties; methods for making the compounds; pharmaceutical compositions containing the compounds or salts; and use of the compounds and salts for treating hypertension.
    Type: Grant
    Filed: December 27, 1983
    Date of Patent: October 27, 1992
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Rolf Geiger, Volker Teetz, Hansjorg Urbach, Bernward Scholkens, Rainer Henning
  • Patent number: 5158960
    Abstract: 10'-Desmethoxystreptonigrin, obtainable by cultivation of a strain of Streptomyces albus, A.T.C.C. No. 55161, and salts, esters and amides thereof. The novel compounds have antitumor and antibiotic activity.
    Type: Grant
    Filed: May 24, 1991
    Date of Patent: October 27, 1992
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Edward Meyers, Terrence W. Doyle, Veeraswamy Manne, Wen-Chih Liu
  • Patent number: 5159078
    Abstract: The present invention relates to novel N-phenyl-N-pyrimidin-2-ylureas having a herbicidal and plant growth-regulating activity, to agrochemical compositions containing those substances as active ingredients, to the use of the novel ureas for controlling weeds or for regulating plant growth, and to processes for the preparation of the novel compounds. The invention also relates to novel intermediates and to processes for the preparation thereof.The novel compounds correspond to formula I ##STR1## in which R.sup.1, R.sup.2 and R.sup.3 are each, independently of the others, hydrogen; halogen; C.sub.1 -C.sub.4 alkyl; C.sub.1 -C.sub.4 alkoxy; C.sub.1 -C.sub.4 haloalkyl; C.sub.1 -C.sub.4 haloalkoxy; C.sub.1 -C.sub.4 alkyl-S(O).sub.n -; nitro; cyano; C.sub.1 -C.sub.4 alkoxycarbonyl; C.sub.1 -C.sub.4 alkylcarbonyl; di-(C.sub.1 -C.sub.4 alkylamino)-carbonyl; mono-(C.sub.1 -C.sub.4 alkylamino)carbonyl; carbamoyl; C.sub.1 -C.sub.4 -haloalkyl-S(O).sub.n -; or -PO[O-(C.sub.1 -C.sub.4)-alkyl].sub.2 ;R.sup.4 is C.sub.1 -C.
    Type: Grant
    Filed: August 17, 1990
    Date of Patent: October 27, 1992
    Assignee: Ciba-Geigy Corporation
    Inventors: Hermann Rempfler, Dieter Durr, Rudolf C. Thummel
  • Patent number: 5157041
    Abstract: Compounds of the formula ##STR1## wherein R.sup.1 is alkoxycarbonyl, aralkoxycarbonyl, alkanoyl, cycloalkylcarbonyl, aralkanoyl, aroyl, heterocyclylcarbonyl, alkylsulphonyl, arylsulphonyl, monoaralkylcarbamoyl, cinnamoyl or .alpha.-aralkoxycarbonylaminoalkanoyl and R.sup.2 is hydrogen or R.sup.1 and R.sup.2 together with the nitrogen atom to which they are attached represent a cyclic imide group of the formula ##STR2## in which P and Q together represent an aromatic system; R.sup.3 is alkyl, cycloalkyl, aryl, aralkyl, heterocyclylalkyl, cyanoalkyl, alkyl- sulphinylalkyl, carbamoylalkyl or alkoxycarbonylalkyl or, when n stands for zero, R.sup.3 can also represent alkylthioalkyl or, when n stands for 1, R.sup.3 can also represent alkylsulphonylalkyl; R.sup.4 is alkyl, cycloalkyl, cycloalkylalkyl, aryl or aralkyl; R.sup.5 is hydrogen and R.sup.6 is hydroxy or R.sup.5 and R.sup.6 together represent oxo; R.sup.7 and R.sup.
    Type: Grant
    Filed: June 5, 1989
    Date of Patent: October 20, 1992
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Balraj K. Handa, Peter J. Machin, Joseph A. Martin, Sally Redshaw, Gareth J. Thomas
  • Patent number: 5155123
    Abstract: The invention relates to novel pyridine derivatives of formula (I), ##STR1## wherein Q stand for a nitro or cyano group; andX.sup.1 and X.sup.2, independently from each other, represent hydrogen or halogen or a trifluoromethyl, a lower alkyl or alkoxy or nitro group bound to any of the carbon atoms of the phenyl ring.The invention further relates to pharmaceutical compositions containing these compounds and a process for their preparation.The compounds of formula (I) possess gastric acid secretion inhibiting, tissue-protecting, analgetic and mild antiinflammatory effects and are useful for therapeutical purposes.
    Type: Grant
    Filed: October 31, 1990
    Date of Patent: October 13, 1992
    Assignee: Richter Gedeon Vegyeszeti Gyar R.T.
    Inventors: Gyorgy Domany, Elemer Ezer, Istvan Schon, Judit Matuz, Katalin Saghy, Laszlo Szporny, Gyorgy Hajos, Marta Renyei
  • Patent number: 5151428
    Abstract: A pyridine derivative of the formula: ##STR1## wherein R.sup.1 is, the same or different, each a hydrogen atom, a halogen atom, a C.sub.1 -C.sub.4 alkyl group, a C.sub.1 -C.sub.4 haloalkyl group, a C.sub.1 -C.sub.3 alkoxy gorup, a C.sub.1 -C.sub.3 haloalkoxy group, a cyano group or a nitro group; R.sup.2 is, the same or different, each a hydrogen atom, a halogen atom or a methyl group; R.sup.3 is a halogen atom or a C.sub.1 -C.sub.3 alkyl group; R.sub.4 is a hydrogen atom or a C.sub.1 -C.sub.3 alkyl group; R.sup.5 is, the same or different, each a halogen atom, a C.sub.1 -C.sub.3 alkyl group, a C.sub.1 -C.sub.3 haloalkyl group, a C.sub.1 -C.sub.3 alkoxy group or a C.sub.1 -C.sub.3 haloalkoxy group; X is an oxygen atom, a sulfur atom, a carbonyl group, a sulfinyl group, a sulfonyl group, an imino group or a methylene group; Y is an oxygen atom or a sulfur atom; l is an integer of 1 to 5; m is an integer of 1 to 3; and n is an integer of 1 to 4, which is useful for control of insect pest.
    Type: Grant
    Filed: May 24, 1991
    Date of Patent: September 29, 1992
    Inventors: Noriyasu Sakamoto, Hirosi Kisida, Hiroaki Fujimoto, Kimitoshi Umeda, Noritada Matsuo
  • Patent number: 5149703
    Abstract: Compounds having the formula I: ##STR1## are antagonists of the actions of leukotrienes. These compounds are useful as anti-asthmatic, anti-allergic, anti-inflammatory, and cytoprotective agents. They are also useful in treating angina, cerebral spasm, glomerular nephritis, hepatitis, endotoxemia, uveitis, and allograft rejection.
    Type: Grant
    Filed: September 6, 1991
    Date of Patent: September 22, 1992
    Assignee: Merck Frosst Canada, Inc.
    Inventors: Cheuk K. Lau, Claude Dufresne