Patents by Inventor Gerhard Bormann

Gerhard Bormann 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).

  • 2(1H)-pyridinone derivatives, their preparation and pharmaceutical compositions containing them
    Patent number: 4530842
    Abstract: The compounds of formula I ##STR1## wherein R, R.sub.1 and R.sub.2 have various significances, are useful as agents against heart insufficiency.
    Type: Grant
    Filed: May 12, 1983
    Date of Patent: July 23, 1985
    Assignee: Sandoz Ltd.
    Inventor: Gerhard Bormann
  • Amino-2,1,3-benzothiadiazole and -benzoxadiazole derivatives, their preparation and pharmaceutical compositions containing them
    Patent number: 4476135
    Abstract: The compounds of formula I ##STR1## wherein A is an optionally substituted 2,1,3-benzothiadiazole or 2,1,3-benzoxadiazole moiety,B is a trisubstituted amino group andC is an optionally 1-substituted 4,5-dihydro-1H-imidazol-2-yl or an optionally 3-substituted 3,4,5,6-tetrahydropyrimidin-2-yl moiety.are useful as bradycardiac agents, as anti-tremor, anti-rigor and myotonolytic agents, as tranquillizers and as antidepressants.
    Type: Grant
    Filed: February 16, 1982
    Date of Patent: October 9, 1984
    Assignee: Sandoz Ltd.
    Inventors: Peter Neumann, Gerhard Bormann
  • Octahydro-1,4-diazepino[1,7-b]isoquinolines
    Patent number: 4120965
    Abstract: This invention provides new compounds of formula I, ##STR1## wherein R.sub.1 is hydrogen or alkyl of 1 to 5 carbon atoms,R.sub.2 is a group ##STR2## wherein N IS A WHOLE NUMBER FROM 0 TO 3,R.sub.5 and R.sub.6, independently, are hydrogen, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, halogen of atomic number from 9 to 35, or together are 3,4-methylenedioxy,R.sub.7 is hydrogen, or when both R.sub.5 and R.sub.6 are alkoxy of 1 to 4 carbon atoms also may be alkoxy of 1 to 4 carbon atoms,R.sub.3 is hydrogen, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, or halogen of atomic number from 9 to 35, andR.sub.4 is hydrogen or alkoxy of 1 to 4 carbon atoms,Useful as sleep-promoting agents, and anti-aggressive agents.
    Type: Grant
    Filed: May 19, 1977
    Date of Patent: October 17, 1978
    Assignee: Sandoz Ltd.
    Inventors: Gerhard Bormann, Richard Berthold
  • Indolinylguanidines
    Patent number: 4112111
    Abstract: This invention provides new compounds of formula I, ##STR1## wherein R.sub.1 to R.sub.3 are hydrogen or optionally substituted hydrocarbyl substituents, andR.sub.5 and R.sub.6 are hydrogen, halogen, alkoxy or alkylthio,Useful as anti-hypertensive agents.
    Type: Grant
    Filed: July 27, 1977
    Date of Patent: September 5, 1978
    Assignee: Sandoz Ltd.
    Inventors: Gerhard Bormann, Richard Berthold
  • 1,2,2A,3,4,5 Hexahydrobenz[c,d]indol-1-yl-2-guanidines
    Patent number: 4057560
    Abstract: The present invention concerns novel compounds of formula I, ##STR1## wherein R.sub.1 is hydroxy, or ##STR2## wherein N IS AN INTEGER FROM 1 TO 5, ANDR.sub.3 and R.sub.4 are independently alkyl of 1 to 4 carbon atoms, orR.sub.3 and R.sub.4 together form an alkylene chain of 2 or 3 carbon atoms,R.sub.2 is hydrogen, alkyl of 1 to 4 carbon atoms, phenylalkyl of 7 to 9 carbon atoms, or phenylalkyl of 7 to 9 carbon atoms mono- or disubstituted on the phenyl radical by halogen, alkyl of 1 to 4 carbon atoms or alkoxy of 1 to 4 carbon atoms, andEitherX is hydrogen, andY is methyl,OrX is methylthio or dialkylamino, wherein the alkyl chains are independently of 1 to 4 carbon atoms, andY is hydrogen,OrX is chlorine or bromine, andY is chlorine,Or, when R.sub.1 is the above acetal group, X also signifies hydrogen, chlorine, bromine or methyl, and Y signifies hydrogen,Useful as salidiuretics.
    Type: Grant
    Filed: July 10, 1974
    Date of Patent: November 8, 1977
    Assignee: Sandoz Ltd.
    Inventors: Gerhard Bormann, Franz Troxler