Patents Examined by Philip I. Datlow
  • Patent number: 5462725
    Abstract: 2-Pyridylmethylenepolyazamacrocyclophosphonic acid compounds and their derivatives are disclosed which may form inert complexes with Gd, Mn or Fe ions. The overall charge of the complex can be varied to alter the in vivo biolocalization. The complexes are useful as contrast agents for diagnostic purposes.
    Type: Grant
    Filed: May 6, 1993
    Date of Patent: October 31, 1995
    Assignee: The Dow Chemical Company
    Inventors: Garry E. Kiefer, Won D. Kim
  • Patent number: 5462936
    Abstract: A compound of the formula: ##STR1## wherein X is .dbd.N--A--R.sup.1 or .dbd.C(R.sup.1)R.sup.2 ; A is a single bond, polymethylerie or --CO--; R.sup.1 and R.sup.2 are each hydrogen, C.sub.1-6 alkyl, C.sub.3-7 cycloalkyl, unsubstituted or substituted phenyl, optionally substituted benzhydryl, or optionally substituted 5 to 6 membered heterocyclic group; Y is hydrogen, halogen, C.sub.1-6 alkyl, C.sub.3-6 cycloalkyl, C.sub.1-6 alkoxy, optionally substituted phenoxy, optionally substituted benzyloxy, or optionally substituted benzyl; Z is hydrogen or acyl; n is an integer of from 2 to 6, and pharmaceutically acceptable salt thereof. A pharmaceutical composition containing the compound, which is useful for treating hypertension and cardiac diseases, is also provided.
    Type: Grant
    Filed: August 22, 1994
    Date of Patent: October 31, 1995
    Assignee: Shionogi & Co., Ltd.
    Inventors: Teruo Yamamori, Hiroshi Harada, Katsunori Sakai, Kazumi Iwaki, Kazuki Matsunaga
  • Patent number: 5463051
    Abstract: Disclosed are a process and intermediates of the formulae ##STR1## wherein X.sup.- is halide, BF.sub.4.sup.-, R.sup.3 SO.sub.3.sup.-, wherein R.sup.3 is C.sub.1 -C.sub.6 alkyl, CF.sub.3, C.sub.1 -C.sub.6 alkylphenyl or phenyl, and Q is a group of the formula ##STR2## wherein R is C.sub.1 -C.sub.6 alkyl; useful for preparing benzazepine intermediates of the formula ##STR3## These benzazepine intermediates are useful for preparing benzazepines having activity as selective D1 receptor antagonists.
    Type: Grant
    Filed: September 27, 1993
    Date of Patent: October 31, 1995
    Assignee: Schering Corporation
    Inventors: Donald Hou, Richard W. Draper, Gary M. Lee, Janet L. Mas, Ingrid Mergelsberg
  • Patent number: 5461146
    Abstract: The invention features novel derivatives of K-252a, as well as novel bis-N-substituted derivatives of staurosporine. Also, a method for treating diseased neuronal cells involving the administration of either the novel staurosporine derivatives or specified functional derivatives of K-252a.
    Type: Grant
    Filed: July 22, 1993
    Date of Patent: October 24, 1995
    Assignees: Cephalon, Inc., Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Michael E. Lewis, James C. Kauer, Nicola Neff, Jill Roberts-Lewis, Chikara Murakata, Hiromitsu Saito, Yuzuru Matsuda, Marcie A. Glicksman
  • Patent number: 5461046
    Abstract: The present invention provides substituted dibenzoxazepine compounds of Formula I: ##STR1## which are useful as analgesic agents for the treatment of pain, pharmaceutical compositions comprising a therapeutically-effective amount of a compound of Formula I in combination with a pharmaceutically-acceptable carrier, and a method for eliminating or ameliorating pain in an animal comprising administering a therapeutically-effective amount of a compound of Formula I to the animal.
    Type: Grant
    Filed: September 24, 1993
    Date of Patent: October 24, 1995
    Assignee: G. D. Searle & Co.
    Inventors: Robert K. Husa, Michael F. Rafferty, Timothy J. Hagen, E. Ann Hallinan
  • Patent number: 5461049
    Abstract: Amide tetrazoles of the formula ##STR1## wherein aryl includes phenyl and naphthyl, unsubstituted or substituted, X is .dbd.O, .dbd.N--R.sub.5, or --NR.sub.3 R.sub.4, where R.sub.2, R.sub.4, and R.sub.5 include alkyl and alkoxy and R.sub.3 includes alkyl, are potent inhibitors of the enzyme acyl CoA:cholesterol acyltransferase (ACAT) and are thus useful for treating hypercholesterolemia or atherosclerosis.
    Type: Grant
    Filed: May 27, 1994
    Date of Patent: October 24, 1995
    Assignee: Warner-Lambert Company
    Inventors: Patrick M. O'Brien, Drago R. Sliskovic
  • Patent number: 5461050
    Abstract: The present invention is concerned with novel imidazo[1,2-a](pyrrolo, thieno or furano)[3,2-d]azepines of formula ##STR1## the pharmaceutically acceptable addition salts and stereochemically isomefic forms thereof, wherein each of the dotted lines independently represents an optional bond;R.sup.1 represents hydrogen, C.sub.1-4 alkyl, halo, ethenyl substituted with hydroxycarbonyl or C.sub.1-4 alkyloxycarbonyl, hydroxy C.sub.1-4 alkyl, formyl, hydroxycarbonyl or hydroxycarbonyl C.sub.1-4 alkyl;R.sup.2 represents hydrogen, C.sub.1-4 alkyl, ethenyl substituted with hydroxycarbonyl or C.sub.1-4 alkyloxycarbonyl, C.sub.1-4 alkyl substituted with hydroxycarbonyl or C.sub.1-4 alkyloxycarbonyl, hydroxy C.sub.1-4 alkyl, formyl or hydroxycarbonyl;R.sup.3 represents hydrogen, C.sub.1-4 alkyl, hydroxy C.sub.1-4 alkyl, phenyl or halo;L represents hydrogen; C.sub.1-6 alkyl; C.sub.1-6 alkyl substituted with one substituent selected from the group consisting of hydroxy, halo, C.sub.1-4 alkyloxy, hydroxycarbonyl, C.sub.
    Type: Grant
    Filed: November 29, 1993
    Date of Patent: October 24, 1995
    Assignee: Janssen Pharmaceutica N.V.
    Inventors: Frans E. Janssens, Gaston S. M. Diels, Joseph E. Leenaerts, Ludwig P. Cooymans
  • Patent number: 5461047
    Abstract: The present invention provides substituted dibenzoxazepine and dibenzthiazepine compounds of Formula I: ##STR1## which are useful as analgesic agents for the treatment of pain, and for prostaglandin-E.sub.2 mediated diseases, pharmaceutical compositions comprising a therapeutically-effective amount of a compound of Formula I in combination with a pharmaceutically-acceptable carrier, a method for eliminating or ameliorating pain in an animal comprising administering a therapeutically-effective amount of a compound of Formula I to the animal, and a method for treating prostaglandin-E.sub.2 mediated diseases in an animal comprising administering a therapeutically-effective amount of a compound of Formula I to the animal.
    Type: Grant
    Filed: May 18, 1994
    Date of Patent: October 24, 1995
    Assignee: G. D. Searle & Co.
    Inventors: Donald W. Hansen, Jr., Karen B. Peterson
  • Patent number: 5461147
    Abstract: Disclosed are a process and intermediates of the formula ##STR1## wherein R is --CH.sub.3 or --C(O)--OR.sup.1, and R.sup.1 is C.sub.1 -C.sub.6 alkyl or --CH.sub.2 C.sub.6 H.sub.5 ; or the formula ##STR2## wherein: R.sup.2 is H or OH, R is --C(O)OR.sup.1 and R.sup.1 is C.sub.1 -C.sub.6 alkyl or --CH.sub.2 C.sub.6 H.sub.5, or where R.sup.2 is H, R can also be CH.sub.3 ; for preparing benzazepine intermediates of the formula ##STR3## The benzazepine intermediates are useful for preparing benzazepines having activity as selective D1 receptor antagonists.
    Type: Grant
    Filed: September 27, 1993
    Date of Patent: October 24, 1995
    Assignee: Schering Corporation
    Inventors: Donald Hou, Richard W. Draper, Gary M. Lee, Janet L. Mas
  • Patent number: 5461148
    Abstract: Disclosed are a process and intermediates of the formulae ##STR1## wherein R is --CH.sub.2 OH or --OH and R.sup.3 is H or C.sub.1 -C.sub.6 alkyl; useful for preparing benzazepines of the formula ##STR2## having activity as selective D1 antangonists.
    Type: Grant
    Filed: September 27, 1993
    Date of Patent: October 24, 1995
    Assignee: Schering Corporation
    Inventors: Guang-Zhong Wu, Martin Steinman, Yee-Shing Wong
  • Patent number: 5461063
    Abstract: Compounds of formula (I), and salts and prodrugs thereof: ##STR1## wherein X represents O or S;Y represents (CH.sub.2).sub.m, where m is 0 or 1;Z represents (CH.sub.2).sub.n, where n is 0 or 1;R.sup.1 represents optionally substituted phenyl;R.sup.2 is phenyl, naphthyl, indazolyl, thienyl, furyl, pyridyl, thiazolyl, tetrazolyl, quinolyl, benzhydryl or benzyl;R.sup.3 is H, COR.sup.a, CO.sub.2 R.sup.a C(COOR).sub.2, C(CONR.sup.a R.sup.b).sub.2, COCONR.sup.a R.sup.b, COCO.sub.2 R.sup.a, C.sub.1-6 alkyl optionally substituted by a group selected from (CO.sub.2 R.sup.a, CONR.sup.a R.sup.b, hydroxy, cyano, COR.sup.a, NR.sup.a R.sup.b, C(NOH)NR.sup.a R.sup.b, CONHphenyl(C.sub.1-4 alkyl), COCO.sub.2 R.sup.a, C(.dbd.NR.sup.a)NR.sup.b NR.sup.c CO.sub.2 R.sup.d, CONHNR.sup.a R.sup.b, C(S)NR.sup.a R.sup.b, CONR.sup.a C.sub.1-6 alkylR.sup.12, CONR.sup.13 C.sub.2-6 alkynyl, CONR.sup.13 C.sub.2-6 alkenyl, COCONR.sup.a R.sup.b, CONR.sup.a C(NR.sup.b)NR.sup.c R.sup.d, CONR.sup.13 SO.sub.2 R.sup.a, SO.sub.2 R.sup.13 COR.sup.
    Type: Grant
    Filed: August 5, 1993
    Date of Patent: October 24, 1995
    Assignee: Merck Sharp & Dohme Limited
    Inventors: Fintan Kelleher, Richard T. Lewis
  • Patent number: 5457099
    Abstract: 1. A compound of the formula: ##STR1## wherein the symbol of a solid line with a broken line means a single bond or a double bond,R and R' are independently selected from the group consisting of hydrogen atom, halogen atom, lower alkyl, nitro, unsubstituted amino and substituted amino,A and B are independently selected from the group consisting of hydrogen atom, lower alkyl optionally substituted with a lower cycloalkyl, aryl optionally substituted with one or more halogen atoms and the group: -Y-R.sup.2wherein Y is lower alkylene and R.sup.2 is the group: ##STR2## wherein m is integer of 1 to 3, n is 0 or 1, Z is >N-, >CH-- or >C=, R.sup.3 is diaryl (lower) alkyl optionally substituted with one or more halogen atoms or is condensed heterocyclic group optionally substituted with oxo, with the proviso that(a) at least one of A and B is the group -Y-R.sup.2 and(b) when A is hydrogen atom and B is the group -Y-R.sup.2, then Z is >CH-- or >C= if R.sup.
    Type: Grant
    Filed: June 22, 1993
    Date of Patent: October 10, 1995
    Assignee: Sawai Pharmaceutical Co., Ltd.
    Inventors: Takeshi Shogaki, Hiromu Toyoda, Takao Kakita, Masumi Furukawa, Seiichi Nakatsugi, Emi Masai, Tsuyako Yashima, Ikuo Ueda
  • Patent number: 5451581
    Abstract: This invention relates to the antibiotics LL-14E605.beta. and O-methyl-LL-14E605.beta. derived from the microorganism Sebekia benihana which are useful as antibacterial agents.
    Type: Grant
    Filed: May 21, 1993
    Date of Patent: September 19, 1995
    Inventors: May D. Lee, Peter T. Northcote, Mary Lechevalier
  • Patent number: 5451575
    Abstract: The present invention relates to 24R-scymnol, including its preparation in substantially pure form and to its use in the treatment of liver dysfunction.
    Type: Grant
    Filed: December 30, 1993
    Date of Patent: September 19, 1995
    Assignee: J. W. Broadbent Nominees Pty., Ltd.
    Inventors: Yoshiki Kosuge, Takuo Kosuge, Kuniro Tsuji, Hitoshi Ishida
  • Patent number: 5449674
    Abstract: The present invention provides substituted dibenzoxazepine compounds of Formula I: ##STR1## which are useful as analgesic agents for the treatment of pain, pharmaceutical compositions comprising a therapeutically-effective amount of a compound of Formula I in combination with a pharmaceutically-acceptable carrier, and a method for eliminating or ameliorating pain in an animal comprising administering a therapeutically-effective amount of a compound of Formula I to the animal.
    Type: Grant
    Filed: March 3, 1994
    Date of Patent: September 12, 1995
    Assignee: G. D. Searle & Co.
    Inventors: Timothy J. Hagen, Nizal S. Chandrakumar, E. Ann Hallinan, Shashidhar N. Rao, Barnett S. Pitzele
  • Patent number: 5449675
    Abstract: The present invention provides substituted dibenzoxazepine and dibenzthiazepine compounds of Formula I: ##STR1## which are useful as analgesic agents for the treatment of pain, pharmaceutical compositions comprising a therapeutically-effective amount of a compound of Formula I in combination with a pharmaceutically-acceptable carrier, and a method for eliminating or ameliorating pain in an animal comprising administering a therapeutically-effective amount of a compound of Formula I to the animal.
    Type: Grant
    Filed: June 9, 1994
    Date of Patent: September 12, 1995
    Assignee: G. D. Searle & Co.
    Inventors: Nizal S. Chandrakumar, Donald W. Hansen, Jr., Karen B. Peterson, Barnett S. Pitzele
  • Patent number: 5447928
    Abstract: Compounds of the formula ##STR1## in which Y represents hydrogen, fluorine, chlorine, methyl or methoxy, R.sub.1 represents phenyl substituted by fluorine, methyl, methoxy, trifluoromethyl or phenyl, or R.sub.1 represents 2-thienyl, R.sub.2 represents methyl, and R.sub.3 represents (C.sub.1 -C.sub.4)-alkyl, or phenyl-(C.sub.1 -C.sub.2)-alkyl optionally substituted on the ring by 2 to 3 methoxy groups, or 2-(2-pyridyl)ethyl, or R.sub.2 and R.sub.3 form, with the adjacent nitrogen, 4-phenyl(1-piperidyl), 4-phenylmethyl(1-piperidyl), 1,2,3,4-tetrahydro-2-isoquinolyl, 6-methoxy-1,2,3,4-tetrahydro-2-isoquinolyl, 5,8-dimethoxy-1,2,3,4-tetrahydro-2-isoquinolyl, 6,7-dimethoxy 1,2,3,4-tetrahydro-2-isoquinolyl, 2,3,4,5-tetrahydro-1H-3-benzazepin-3-yl, or 7,8-dimethoxy-2,3,4,5-tetrahydro-1H-3-benzazepin-3-yl, and X represents carbonyl or sulphonyl, and their salts are useful as neuroprotective and antiiischaemic agents.
    Type: Grant
    Filed: February 24, 1994
    Date of Patent: September 5, 1995
    Assignee: Synthelabo
    Inventors: Howard Williams, Lydia Zard, Thomas Purcell, Daniel Galtier, Jean-Claude Muller, Pascal George, Jonathan Frost, Patrick Pasau, Corinne Rousselle, Regine Bartsch
  • Patent number: 5438045
    Abstract: A triazolo-1,4-di-azepine compound of the below given formula and a pharmacologically acceptable salt thereof are disclosed and useful in the pharmaceutical field, especially to allergic diseases. ##STR1## in which R1 and R2 are hydrogen or an alkyl, R3 is hydrogen or a halogen, R4 is hydrogen or an alkyl, X is --OOO--, --NHCO--, --CO-- or others and Y is a cycloalkyl, a cycloalkylalkyl, an alkynyl or others.
    Type: Grant
    Filed: April 27, 1993
    Date of Patent: August 1, 1995
    Assignee: Eisai Co., Ltd.
    Inventors: Kazuo Okano, Shuhei Miyazawa, Richard S. J. Clark, Shinya Abe, Tetsuya Kawahara, Naoyuki Shimomura, Osamu Asano, Hiroyuki Yoshimura, Mitsuaki Miyamoto, Yoshimori Sakuma, Kenzo Muramoto, Hiroshi Obaishi, Koukichi Harada, Hajime Tsunoda, Satoshi Katayama, Kouji Yamada, Shigeru Souda, Yoshimasa Machida, Kouichi Katayama, Isao Yamatsu
  • Patent number: 5436334
    Abstract: The invention relates to enantiomerically pure 2-oxa-5,8-diazabicyclo[4.3.0]nonanes and processes for their preparation.
    Type: Grant
    Filed: December 30, 1992
    Date of Patent: July 25, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventors: Thomas Schenke, Andreas Krebs, Uwe Petersen
  • Patent number: 5422370
    Abstract: A method for visibly reducing a skin wrinkle by topically applying to the wrinkle lactic acid or a topically effective salt thereof.
    Type: Grant
    Filed: January 10, 1994
    Date of Patent: June 6, 1995
    Inventors: Ruey J. Yu, Eugene J. Van Scott