Patents by Inventor Robert N. Schut

Robert N. Schut has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5266713
    Abstract: Aryl alkenoic acid derivatives, and physiologically acceptable salts thereof, are provided which are potent leukotriene antagonists and may be used for the treatment of circulatory diseases and preferably for respiratory diseases such as asthma. The derivatives have a general formula I ##STR1## in which X is --S--,W is CH.dbd.CH;o is 1 to 4;n is 2 to 6;m is 0 to 2;T and Z, same or different, represent oxygen or a direct bond;R.sup.2 and R.sup.3, represent hydrogen, or fluorine;A represents carboxyl, CO.sub.2 R.sub.4.sup.4, wherein R.sup.4 is lower alkylR is ##STR2## wherein Y represents carboxyl, CO.sub.2 R.sup.4, wherein R.sup.4 is lower alkylR.sup.7 and R.sup.8, same or different, represent H or lower alkyl;R.sup.9 represents --OH, --O-alkyl, NH.sub.2 or a NHCH.sub.2 CO.sub.2 H group; andR.sup.10 R3 is H.
    Type: Grant
    Filed: August 12, 1992
    Date of Patent: November 30, 1993
    Assignee: Miles Inc.
    Inventors: Trevor S. Abram, Peter Norman, Stephen R. Tudhope, Harold C. Kluender, Robert N. Schut, Heinrich Meier, Ulrich Rosentreter
  • Patent number: 4393081
    Abstract: Disclosed is the novel compound methyl 3-acetamido-2-(5-methoxyindol-3-yl) propanoate which is useful as an anti-hypertensive agent.
    Type: Grant
    Filed: October 28, 1981
    Date of Patent: July 12, 1983
    Assignee: Miles Laboratories, Inc.
    Inventors: Robert N. Schut, Max E. Safdy, Enrique Hong
  • Patent number: 4283410
    Abstract: Disclosed are compounds characterized by the structural formula: ##STR1## Various compounds circumscribed by the foregoing formula in which: R is H, CH.sub.3 or CH.sub.2 CH.sub.3,R' is H, or ##STR2## X is H, F or OCH.sub.3, Y is H or Cl, andZ is H or ##STR3## are therapeutically useful as anti-hypertensive agents.
    Type: Grant
    Filed: December 26, 1979
    Date of Patent: August 11, 1981
    Assignee: Miles Laboratories, Inc.
    Inventors: Robert N. Schut, Max E. Safdy, Enrique Hong
  • Patent number: 4283336
    Abstract: The compounds having Formula I, ##STR1## wherein X is a fluorine or methoxy group, and R is a hydrogen or methyl group, such that R is hydrogen only when X is fluorine are novel. The compounds having Formula I and their acid addition salts are useful for the treatment of hypertension. Processes for the preparation of the compounds having Formula I and useful intermediates are described.
    Type: Grant
    Filed: October 17, 1979
    Date of Patent: August 11, 1981
    Assignee: Miles Laboratories, Inc.
    Inventors: Robert N. Schut, Max E. Safdy, Enrique Hong
  • Patent number: 4272541
    Abstract: Disclosed are 7,8 and 7-8 substituted 4,5.alpha.-epoxymorphinan-6-one compounds characterized by the structural formula: ##STR1## In the foregoing formula R.sub.1 may be H or methyl, R.sub.2 is cyclopropylmethyl, cyclobutylmethyl, allyl or tetrahydrofurfuryl, R.sub.3 is H, .beta.-methyl, .beta.-ethyl or .alpha.-ethyl and R.sub.4 is H or .alpha.-methyl. Particular compounds corresponding to the foregoing description are useful as mixed analgesics/narcotic antagonists whereas others have been found to be pure narcotic antagonists.
    Type: Grant
    Filed: July 11, 1979
    Date of Patent: June 9, 1981
    Assignee: Miles Laboratories, Inc.
    Inventors: Michael P. Kotick, Robert N. Schut, Joseph O. Polazzi, David L. Leland
  • Patent number: 4232160
    Abstract: Disclosed are novel isoquinoline propionamides and their acid salts represented by the structural formula: ##STR1## wherein R is alkyl of 1 to 6 carbon atoms, methylcycloalkyl of 4 to 7 carbon atoms or alkaryl of 7 to 8 carbon atoms;R' is H or OCH.sub.3 ;A is N or CH;X is H, Cl or CH.sub.3 ;n is 0 or 1;Y is a pharmacologically acceptable, non-toxic acid and p and q are 0 or 1. These compounds exhibit analgesic properties.
    Type: Grant
    Filed: October 18, 1978
    Date of Patent: November 4, 1980
    Assignee: Miles Laboratories, Inc.
    Inventors: Robert N. Schut, Edgar O. Snoke, John W. Van Dyke, Jr.
  • Patent number: 4230712
    Abstract: Disclosed are 7-methyl, 8.beta.-lower alkyl and 7 methyl-8-lower alkyl substituted B/C Cis or Trans morphinan-6-one compounds characterized by the structural formula: ##STR1## Specific compounds, included within the scope of the foregoing general formula wherein R.sub.1 is H or methyl, R.sub.2 is cyclopropylmethyl or cyclobutylmethyl, R.sub.3 is H, methyl, ethyl or n-propyl and R.sub.4 is H or methyl are useful as mixed analgesics/narcotic antagonists.
    Type: Grant
    Filed: May 21, 1979
    Date of Patent: October 28, 1980
    Assignee: Miles Laboratories, Inc.
    Inventors: Michael P. Kotick, Robert N. Schut, Joseph O. Polazzi, David L. Leland
  • Patent number: 4140769
    Abstract: Novel 3-substituted salicylamides having increased analgesic activity and prolonged analgesic activity are disclosed.
    Type: Grant
    Filed: May 10, 1978
    Date of Patent: February 20, 1979
    Assignee: Miles Laboratories, Inc.
    Inventors: Robert N. Schut, Harold E. Hartzler, Edgar O. Snoke, John W. Van Dyke, Jr.