Patents by Inventor Peter Emig

Peter Emig 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).

  • Process for the preparation of pure flupirtine maleate and its A modification
    Patent number: 5959115
    Abstract: A process for preparation of pure flupertine maleate and the pure A crystalline form of flupertine maleate by the use of water soluble alcohols during synthesis and/or purification.
    Type: Grant
    Filed: April 23, 1998
    Date of Patent: September 28, 1999
    Assignee: ASTA Medica Aktiengesellschaft
    Inventors: Alfred Olbrich, Peter Emig, Bernhard Kutscher, Karl-Friedrich Landgraf, Siegfried Pauluhn, Hans Stange
  • Combination medication containing flupirtin and morphine for the treatment of pain and the prevention of morphine dependence
    Patent number: 5521178
    Abstract: A combination medication containing flupirtin and morphine for the treatment of pain and the prevention of morphine dependence
    Type: Grant
    Filed: October 27, 1993
    Date of Patent: May 28, 1996
    Assignee: Asta Medica Aktiengesellschaft
    Inventors: Bernd Nickel, Michael Lobisch, Istvan Szelenyi, Jurgen Engel, Peter Emig, Gabriela Pergande
  • Pharmaceutical composition comprising flupirtine and its use to combat Parkinson disorders
    Patent number: 5284861
    Abstract: Flupirtine is used for the treatment of disorders involving skeletal muscle tension.
    Type: Grant
    Filed: June 1, 1992
    Date of Patent: February 8, 1994
    Assignee: Asta Medica AG
    Inventors: Michael Lobisch, Ralph Venhaus, Bernd Nickel, Istvan Szelenyi, Jurgen Engel, Peter Emig
  • Pharmaceutical composition comprising flupirtine and its use to combat muscular tension
    Patent number: 5162346
    Abstract: Flupirtine is used for the treatment of disorders involving skeletal muscle tension.
    Type: Grant
    Filed: July 10, 1991
    Date of Patent: November 10, 1992
    Assignee: Asta Medica Aktiengesellschaft
    Inventors: Michael Lobisch, Ralph Venhaus, Bernd Nickel, Istvan Szelenyi, Jurgen Engel, Peter Emig
  • Substituted 3-(n-heterocyclic)-2,6-diaminopyridines and -n-oxides
    Patent number: 4923858
    Abstract: Compounds of the general formula: ##STR1## wherein the radicals R.sub.1 and R.sub.2 are the same or different and represent hydrogen or C.sub.1 -C.sub.6 -alkyl, the radicals R.sub.3 and R.sub.4 are the same or different and represent hydrogen, C.sub.1 -C.sub.6 -alkyl, hydroxy, C.sub.1 -C.sub.6 -alkoxy, C.sub.2 -C.sub.6 -alkanoyloxy, halogen or C.sub.2 -C.sub.6 -alkanoyl, X is oxygen, sulphur or the group --NR.sub.5 and R.sub.5 is hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.2 -C.sub.6 -alkanoyl or benzoyl, m and n in each case may represent the integers 1, 2 or 3 and the phenyl radical A is unsubsituted or is substituted by halogen, nitro, C.sub.1 -C.sub.6 -alkyl, trifluoromethyl, C.sub.3 -C.sub.7 -cycloalkyl, hydroxy, C.sub.1 -C.sub.6 -alkoxy, C.sub.2 -C.sub.6 -alkanoyloxy, amino, C.sub.1 -C.sub.6 -alkylamino, di-C.sub.1 -C.sub.6 -alkylamino, C.sub.2 -C.sub.6 -alkanoylamino, CN, carboxy, C.sub.1 -C.sub.6 -alkoxycarbonyl, phenyl, C.sub.1 -C.sub.
    Type: Grant
    Filed: May 16, 1989
    Date of Patent: May 8, 1990
    Assignee: Asta Pharma Aktiengesellschaft
    Inventors: Jurgen Engel, Peter Emig, Bernd Nickel, Istvan Szelenyi
  • 2,6-diamino-3-halobenzylpyridines and processes for their manufacture as well as their use in pharmaceuticals
    Patent number: 4851420
    Abstract: 2,6-diamino-3-halobenzylpyridines of the formula I: ##STR1## wherein R.sub.1 is fluorine and R.sub.2 is hydrogen or chlorine as well as their physiologically acceptable acid addition salts, processes for their manufacture and their use in pharmaceuticals.
    Type: Grant
    Filed: November 5, 1987
    Date of Patent: July 25, 1989
    Assignee: ASTA Pharma Aktiengesellschaft
    Inventors: Peter Emig, Juergen Engel, Gerhard Scheffler, Carl H. Weischer, Bernd Nickel
  • Process for the production of 2-amino-3-nitro-6-(4-fluorobenzylamino)-pyridine
    Patent number: 4785110
    Abstract: There is described a process for the production of 2-amino-3-nitro-6-(4-fluorobenzylamino)-pyridine which consists essentially of reacting 2-amino-3-nitro-6-methoxypyridine with 4-fluorobenzylamine in water at elevated temperature; in a given case the nitro group can be subsequently reduced and a carbethoxy group introduced.
    Type: Grant
    Filed: March 24, 1986
    Date of Patent: November 15, 1988
    Assignee: Degussa Aktiengesellschaft
    Inventors: Winfried Orth, Jurgen Engel, Peter Emig, Gerhard Scheffler, Hans Pohle
  • Ethylenediamine and guanidine-derivatives
    Patent number: 4738983
    Abstract: This invention relates to new compounds corresponding to the general formula: ##STR1## R.sub.1 represents a C.sub.3 -C.sub.10 cycloalkyl group substituted by C.sub.1 -C.sub.6 alkyl radicals, a C.sub.3 -C.sub.19 -cycloalkyl-C.sub.1 -C.sub.4 alkyl group which may be substituted by C.sub.1 -C.sub.6 alkyl radicals, a C.sub.6 -C.sub.8 bicycloalkyl group, a C.sub.6 -C.sub.8 bicycloalkyl-C.sub.1 -C.sub.4 alkyl group, a C.sub.6 -C.sub.10 tricycloalkyl group, a C.sub.6 -C.sub.10 tricycloalkyl-C.sub.1 -C.sub.4 alkyl group, a C.sub.6 -C.sub.9 tetracycloalkyl group or a C.sub.6 -C.sub.9 -tetracycloalkyl-C.sub.1 -C.sub.4 alkyl group,R.sub.2 represents hydrogen, a C.sub.1 -C.sub.6 alkyl group, a phenyl-C.sub.1 -C.sub.4 alkyl group or a C.sub.1 -C.sub.6 alkyl group which is substituted by halogen atoms, nitro groups, hydroxy groups, C.sub.2 -C.sub.6 alkanoyloxy groups, C.sub.1 -C.sub.4 alkoxy groups, C.sub.1 -C.sub.4 alkoxy carbonyl groups or carboxy groups,R.sub.
    Type: Grant
    Filed: December 7, 1983
    Date of Patent: April 19, 1988
    Assignee: Degussa aktiengesellschaft
    Inventors: Peter Emig, Gerhard Scheffler, Klaus Thiemer, Carl-Heinrich Weischer
  • 2-amino-3-ethoxycarbonylamino-6-(p-fluoro-benzylamino)-pyridine gluconate and pharmaceutical preparations containing it
    Patent number: 4673666
    Abstract: There is disclosed 2-amino-3-ethoxycarbonylamino-6-(p-fluoro-benzylamino)-pyridine gluconate, process for its production and pharmaceutical preparations which contain this material.
    Type: Grant
    Filed: May 1, 1985
    Date of Patent: June 16, 1987
    Assignee: Degussa Aktiengesellschaft
    Inventors: Helmut Hettche, Peter Emig, Jurgen Engel
  • Process for the treatment of spasmodic conditions in humans
    Patent number: 4124716
    Abstract: Process for the treatment of spasmodic conditions in humans by administering a compound of the general formula ##STR1## or a pharmacologically acceptable acid addition salt thereof to a human suffering from such conditions.
    Type: Grant
    Filed: October 14, 1977
    Date of Patent: November 7, 1978
    Assignee: Asta-werke Aktiengesellschaft
    Inventors: Peter Emig, Hans Pohle, Gerhard Scheffler, Norbert Brock, Hans-Dieter Lenke, Jorg Pohl
  • Basic enol ether and acid addition salts thereof
    Patent number: 4065501
    Abstract: The present invention is related to new basic enol ethers having the general formula ##STR1## and to the pharmacologically acceptable acid addition salts thereof. The invention is further related to process for the treatment of spasmodic conditions in humans by administering a compound of the above general formula or a pharmacologically acceptable acid addition salt thereof to a human suffering from such conditions.
    Type: Grant
    Filed: March 12, 1975
    Date of Patent: December 27, 1977
    Assignee: Asta-Werke Aktiengesellschaft
    Inventors: Peter Emig, Hans Pohle, Gerhard Scheffler, Norbert Brock, Hans-Dieter Lenke, Jorg Pohl