Patents Represented by Attorney Eugene O. Retter
  • Patent number: 4206119
    Abstract: Novel 6-(1,3-dithiolan-2-imino)penicillanic acid derivatives are described which are particularly useful for their antibacterial properties.
    Type: Grant
    Filed: March 12, 1979
    Date of Patent: June 3, 1980
    Assignee: Richardson-Merrell Inc.
    Inventors: Boyd L. Harrison, Joseph E. Dolfini
  • Patent number: 4206125
    Abstract: Derivatives of 5-[2-[(2,3-dihydro-1,4-benzodioxan-2-ylmethyl)amino]-1-hydroxyethyl]-2-hyd roxybenzoic acid are prepared which are useful for their blocking action on .alpha. and .beta.-adrenergic receptors. In addition, these compounds are useful as antihypertensive agents.
    Type: Grant
    Filed: May 4, 1979
    Date of Patent: June 3, 1980
    Assignee: Richardson-Merrell Inc.
    Inventor: J. Martin Grisar
  • Patent number: 4206305
    Abstract: Novel 7-(1,3-dithiolan-2-imino)cephalosporin derivatives are described which are particularly useful for their antibacterial properties.
    Type: Grant
    Filed: March 12, 1979
    Date of Patent: June 3, 1980
    Assignee: Richardson-Merrell Inc.
    Inventors: Boyd L. Harrison, Joseph E. Dolfini
  • Patent number: 4200747
    Abstract: New indole derivatives of cephalosporin compounds have been prepared which are useful as antibiotics.
    Type: Grant
    Filed: October 2, 1978
    Date of Patent: April 29, 1980
    Assignee: Yeda Research and Development Co. Ltd.
    Inventors: Abraham Nudelman, Abraham Patchornik
  • Patent number: 4200755
    Abstract: Derivatives of 2-hydroxy-5-[1-hydroxy-2-[4-(2-oxo-1-benzimidazolinyl)piperidino]ethyl]ben zoic acid are prepared which are useful for their blocking action on .alpha. and .beta.-adrenergic receptors. In addition, these compounds are useful for their spasmolytic and anti-hypertensive activity.
    Type: Grant
    Filed: May 4, 1979
    Date of Patent: April 29, 1980
    Assignee: Richardson-Merrell Inc.
    Inventors: J. Martin Grisar, George P. Claxton
  • Patent number: 4197240
    Abstract: New 7-[4-hydroxy-3-(substitutedmethyl)phenyl]acetamido penicillin derivatives are prepared which are useful as antibiotics.
    Type: Grant
    Filed: December 23, 1977
    Date of Patent: April 8, 1980
    Assignee: Yeda Research and Development Co. Ltd.
    Inventors: Abraham Nudelman, Abraham Patchornik
  • Patent number: 4192895
    Abstract: Compounds of the following general structure are useful as antirhinovirus agents: ##STR1## wherein Y is a bond, oxygen or divalent sulfur; R is a straight or branched hydrocarbon chain having from 6 to 20 carbon atoms and is saturated or unsaturated having from 1 to 4 double bonds when R has from 10 to 20 carbon atoms and 1 or 2 double bonds when R has from 6 to 9 carbon atoms; and R.sub.1 is hydrogen or a straight or branched alkyl group of from 1 to 4 carbon atoms.
    Type: Grant
    Filed: July 31, 1978
    Date of Patent: March 11, 1980
    Assignee: Richardson-Merrell Inc.
    Inventor: Roger A. Parker
  • Patent number: 4191828
    Abstract: 2-(2,2-Dicyclohexylethyl)piperidine is prepared via the catalytic hydrogenation of 2-(2,2-diphenylethenyl)pyridine in a single step. High yields are obtained using a rhodium supported catalyst.
    Type: Grant
    Filed: April 14, 1976
    Date of Patent: March 4, 1980
    Assignee: Richardson-Merrell Inc.
    Inventors: Stephen W. Horgan, Frank P. Palopoli, David L. Wenstrup
  • Patent number: 4190586
    Abstract: Novel acetylenic derivatives of .alpha.-amino acids of the following general structure: ##STR1## wherein n is an integer of from 1 to 3; R is hydrogen, alkylcarbonyl wherein the alkyl moiety has from 1 to 4 carbon atoms and is straight or branched, alkoxycarbonyl wherein the alkoxy moiety has from 1 to 4 carbon atoms and is straight or branched, or ##STR2## wherein R.sub.2 is hydrogen, a straight or branched lower alkyl group of from 1 to 4 carbon atoms, benzyl or .rho.-hydroxybenzyl; each R.sub.1 is the same and is hydroxy, a straight or branched alkoxy group of from 1 to 8 carbon atoms, --NR.sub.3 R.sub.4 wherein each of R.sub.3 and R.sub.4 is hydrogen or a lower alkyl group of from 1 to 4 carbon atoms and can be the same or different, or ##STR3## wherein R.sub.5 is hydrogen, a straight or branched lower alkyl group of from 1 to 4 carbon atoms, benzyl or .rho.-hydroxybenzyl; and the lactams thereof when n is 2 or 3; and pharmaceutically acceptable salts and individual optical isomers thereof.
    Type: Grant
    Filed: October 2, 1978
    Date of Patent: February 26, 1980
    Assignee: Merrell Toraude et Compagnie
    Inventors: Brian W. Metcalf, Michel Jung
  • Patent number: 4189492
    Abstract: Therapeutic antihypertensive compositions containing 2-[1-(2,6-dichlorophenoxy)ethyl]-4,5-dihydro-1H-imidazole and N-(2-chloroethyl)-N-(1-methyl-2-phenoxyethyl)benzenemethanamine or their non-toxic, pharmaceutically acceptable salts are described as well as a method of reducing blood pressure in mammals.
    Type: Grant
    Filed: May 31, 1977
    Date of Patent: February 19, 1980
    Assignee: Richardson-Merrell Inc.
    Inventor: Albert Sjoerdsma
  • Patent number: 4187316
    Abstract: Compounds of the following general formula and salts thereof are irreversible inhibitors of .gamma.-aminobutyric acid transaminase: ##STR1## wherein R.sub.1 is hydrogen, alkylcarbonyl wherein the alkyl moiety has from 1 to 4 carbon atoms and is straight or branched, alkoxycarbonyl wherein the alkoxy moiety has from 1 to 4 carbon atoms and is straight or branched, the radical ##STR2## wherein R.sub.4 is hydrogen, a straight or branched alkyl group having from 1 to 4 carbon atoms, benzyl or p-hydroxybenzyl; R.sub.2 is hydroxy, a straight or branched alkoxy group of from 1 to 8 carbon atoms, the group-NR.sub.5 R.sub.6wherein each of R.sub.5 and R.sub.6 is hydrogen or a straight or branched alkyl group having from 1 to 4 carbon atoms, or ##STR3## wherein R.sub.7 is hydrogen, a straight or branched lower alkyl group of from 1 to 4 carbon atoms, benzyl or p-hydroxybenzyl; and R.sub.3 is hydrogen or bromine.
    Type: Grant
    Filed: January 12, 1978
    Date of Patent: February 5, 1980
    Assignee: Merrell Toraude et Compagnie
    Inventors: Brian W. Metcalf, Michel Jung
  • Patent number: 4187319
    Abstract: Substituted benzaldehydes of the following general structure are useful as hypolipidemic agents: ##STR1## wherein Y is selected from oxygen and divalent sulfur; R is selected from a straight or branched saturated hydrocarbon chain having from 10 to 20 carbon atoms and a straight or branched unsaturated hydrocarbon chain having from 10 to 20 carbon atoms and from 1 to 4 double bonds.
    Type: Grant
    Filed: June 2, 1977
    Date of Patent: February 5, 1980
    Assignee: Richardson-Merrell Inc.
    Inventors: Thomas R. Blohm, J. Martin Grisar, Roger A. Parker
  • Patent number: 4183858
    Abstract: Novel compounds of the following general formula ##STR1## and pharmaceutically acceptable salts and individual optical isomers thereof. The compounds are useful as aromatic amine decarboxylase inhibitors.
    Type: Grant
    Filed: July 1, 1977
    Date of Patent: January 15, 1980
    Assignee: Merrell Toraude et Compagnie
    Inventors: Brian W. Metcalf, Michel Jung
  • Patent number: 4182891
    Abstract: Novel acetylenic derivatives of .alpha.-amino acids of the following general structure: ##STR1## wherein Z is .beta.-methylthioethyl, .beta.-benzylthioethyl, S-(5'-desoxyadenosin-5' -yl)-S-methylthioethyl, .gamma.-guanidinopropyl, or RHN(CH.sub.2).sub.n --; n is the integer 3 or 4; each R is hydrogen, alkylcarbonyl wherein the alkyl moiety has from 1 to 4 carbon atoms and is straight or branched, alkoxycarbonyl wherein the alkoxy moiety has from 1 to 4 carbon atoms and is straight or branched, or ##STR2## wherein R.sub.2 is hydrogen, a straight or branched lower alkyl group of from 1 to 4 carbon atoms, benzyl or p-hydroxybenzyl; R.sub.1 is hydroxy, a straight or branched alkoxy group of from 1 to 8 carbon atoms, --NR.sub.4 R.sub.5 wherein each of R.sub.4 and R.sub.5 is hydrogen or a lower alkyl group of from 1 to 4 carbon atoms, or ##STR3## wherein R.sub.3 is hydrogen, a straight or branched lower alkyl group of from 1 to 4 carbon atoms, benzyl or p-hydroxybenzyl; and the lactams thereof when Z is RHN(CH.sub.
    Type: Grant
    Filed: July 1, 1977
    Date of Patent: January 8, 1980
    Assignee: Merrell Toraude et Compagnie
    Inventors: Brian W. Metcalf, Michel Jung
  • Patent number: 4180583
    Abstract: Novel compounds useful as antihistamine agents, antiallergy agents, and bronchodilators are represented by the following formula ##STR1## wherein R and R.sup.1 each represent hydrogen; or R and R.sup.1 taken together form a second bond between the carbon atoms bearing R and R.sup.1 ; n is a positive whole integer of from 1 to 3; Y represents --CH.dbd.CH--, or ##STR2## with the proviso that when each of R and R.sup.1 represents hydrogen, Y represents --CH.dbd.CH, and when Y represents --CH.dbd.CH, n is equal to 1 or 2; and Z represents thienyl, phenyl, or substituted phenyl wherein the substituents on the substituted phenyl may be attached at the ortho, meta, or para positions of the phenyl ring and are selected from halogen, a straight or branched lower alkyl chain of from 1 to 4 carbon atoms, a lower alkoxy group of from 1 to 4 carbon atoms, di(lower)-alkylamino, or a saturated monocyclic heterocyclic group such as pyrrolidino, piperidino, morpholino, or N-(lower)-alkylpiperazino.
    Type: Grant
    Filed: April 3, 1978
    Date of Patent: December 25, 1979
    Assignee: Richardson-Merrell Inc.
    Inventors: Albert A. Carr, C. Richard Kinsolving
  • Patent number: 4180660
    Abstract: New cephalosporin derivatives containing a formyl substituted pyrrole group and the processes for preparing same are described.
    Type: Grant
    Filed: September 1, 1978
    Date of Patent: December 25, 1979
    Assignee: Yeda Research and Development Co. Ltd.
    Inventors: Abraham Nudelman, Abraham Patchornik
  • Patent number: 4180509
    Abstract: Novel compounds of the following general formula ##STR1## and pharmaceutically acceptable salts and individual optical isomers thereof. The compounds are useful as aromatic amine decarboxylase inhibitors.
    Type: Grant
    Filed: July 1, 1977
    Date of Patent: December 25, 1979
    Assignee: Merrell Toraude et Compagnie
    Inventors: Brian W. Metcalf, Michel Jung
  • Patent number: 4180559
    Abstract: A coated 1-(2-chlorodibenzo[b,f]oxepin-10-yl)-4-methylpiperazine composition, suitable for pharmaceutical use.
    Type: Grant
    Filed: December 1, 1978
    Date of Patent: December 25, 1979
    Assignee: Richardson-Merrell Inc.
    Inventor: Harold E. Huber
  • Patent number: 4180661
    Abstract: Novel cephalosporin derivatives of the following formula are useful as antibacterial agents: ##STR1##
    Type: Grant
    Filed: July 17, 1978
    Date of Patent: December 25, 1979
    Assignee: Yeda Research and Development Co. Ltd.
    Inventors: Fortuna Haviv, Abraham Nudelman, Abraham Patchornik
  • Patent number: 4178463
    Abstract: Novel compounds of the following general formula are useful in the preparation of 4-aminohex-5-enoic acid and 4-aminohex-5-ynoic acid which are useful pharmacological agents: ##STR1## wherein R.sub.1 is hydroxy, amino, or tert-butoxy.
    Type: Grant
    Filed: January 30, 1978
    Date of Patent: December 11, 1979
    Assignee: Merrell Toraude et Compagnie
    Inventors: Maurice W. Gittos, Gerard J. Letertre