Patents by Inventor Heinz Loewe

Heinz Loewe 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).

  • Substituted phenylsulfonyloxybenzimidazolecarbamates and anthelmintic compositions
    Patent number: 4639463
    Abstract: New phenylsulfonyloxybenzimidazolecarbamates of the formula ##STR1## are described, as are processes for their preparation. The new compounds have anthelmintic activity, including, in particular, against liver flukes.
    Type: Grant
    Filed: December 21, 1983
    Date of Patent: January 27, 1987
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Manfred Rosner, Heinz Loewe, Dieter Duwel, Reinhard Kirsch
  • Substituted benzenesulfonic esters and their use as medicaments for combatting helminths
    Patent number: 4504490
    Abstract: New benzenesulfonic esters of the formula I ##STR1## and a process for their preparation are described. The new compounds are active against helminths and can thus be used as agents to counter worms in humans and animals.
    Type: Grant
    Filed: September 2, 1983
    Date of Patent: March 12, 1985
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Manfred Rosner, Josef Urbanietz, Heinz Loewe, Dieter Duwel, Reinhard Kirsch
  • Monocarboxylates of phenylguanidinesulfonic acid esters, a process for their manufacture, compositions containing them and their use for combating helminths
    Patent number: 4254143
    Abstract: New monocarboxylates of phenylguanidinesulfonic acid esters and a process for their manufacture are described. They are effective as medicaments against helminths and liver flukes when administered orally or parenterally.
    Type: Grant
    Filed: August 16, 1979
    Date of Patent: March 3, 1981
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Heinz Loewe, Josef Urbanietz, Dieter Duwel, Reinhard Kirsch
  • 3,4-Diaminophenyl sulfonic acid esters
    Patent number: 4216161
    Abstract: 2-Carbalkoxyamino-benzimidazolyl-5(6)-sulfonic acid phenyl esters are disclosed as well as a process for their manufacture. The new compounds have valuable chemotherapeutic properties and are suitable for combating diseases caused by parasites in humans and animals, such as helminths and liver flukes.
    Type: Grant
    Filed: April 23, 1976
    Date of Patent: August 5, 1980
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Heinz Loewe, Josef Urbanietz, Dieter Duwel, Reinhard Kirsch
  • Substituted phenylguanidines and process for their manufacture
    Patent number: 4176192
    Abstract: Substituted phenylguanidines are disclosed as well as a process for their manufacture. The said compounds are active against helminths and liver flukes.
    Type: Grant
    Filed: February 25, 1977
    Date of Patent: November 27, 1979
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Heinz Loewe, Josef Urbanietz, Dieter Duwel, Reinhard Kirsch
  • Substituted bis-benzimidazolyl compounds; preparation and use thereof
    Patent number: 4156778
    Abstract: Substituted bis-benzimidazolyl compounds of the formula ##STR1## are disclosed, wherein A is thiophenediyl, furanediyl, phenylene, or phenoxyphenylene, and R.sup.1 is ##STR2## where R.sup.2 -R.sup.10 are independently hydrogen, alkyl, aminoalkyl, N-alkylaminoalkyl, N,N-dialkylaminoalkyl, or phenyl, or any two of R.sup.2 -R.sup.10 taken together are C.sub.2 -C.sub.4 alkylene, as are methods of making the compounds, which are useful as chemotherapeutic agents in the treatment of protozoal and viral diseases.
    Type: Grant
    Filed: March 14, 1978
    Date of Patent: May 29, 1979
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Manfred Rosner, Heinz Loewe, Wolfgang Raether
  • 3-Carbalkoxyamino-1H-2,1,4-benzothiadiazine derivatives
    Patent number: 4069325
    Abstract: 3-Carbalkoxyamino-1H-2,1,4-benzothiadiazine derivatives are disclosed as well as a process for their manufacture. The compounds are suitable for combatting helminths and especially gastrointestinal Strongylides and liver flukes.
    Type: Grant
    Filed: September 17, 1976
    Date of Patent: January 17, 1978
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Heinz Loewe, Josef Urbanietz, Dieter Duwel, Reinhard Kirsch
  • Anthelmintically active basically substituted 2-carbalkoxy-amino-benzimidazolyl-5(6)-phenyl ethers and -ketones
    Patent number: 4010272
    Abstract: Anthelmintically active basically substituted 2-carbalkoxy-amino-benzimidazolyl-5(6)-phenyl ethers and -ketones are disclosed as well as a process for preparing them. The compounds are chemotherapeutics having a particular activity against ankylostomes, other helminths as well as liver fluke.
    Type: Grant
    Filed: September 8, 1975
    Date of Patent: March 1, 1977
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Heinz Loewe, Josef Urbanietz, Dieter Duwel, Reinhard Kirsch
  • Anthelmintically active 2-carbalkoxyamino-5(6)-phenyl sulfonyloxy benzimidazoles
    Patent number: 3996368
    Abstract: 2-Carbalkoxyamino-5(6)-phenyl sulfonyloxy benzimidazoles are disclosed as well as a process for their manufacture. The new compounds are valuable chemotherapeutic agents and are suitable for combating diseases caused by parasites in humans and animals, such as helminths and liver flukes.
    Type: Grant
    Filed: August 26, 1975
    Date of Patent: December 7, 1976
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Heinz Loewe, Josef Urbanietz, Dieter Duwel, Reinhard Kirsch
  • Anthelmintically active 2-carbalkoxyamino benzimidazolyl-5(6)-sulfonic acid phenyl esters
    Patent number: 3996369
    Abstract: 2-Carbalkoxyamino-benzimidazolyl-5(6)-sulfonic acid phenyl esters are disclosed as well as a process for their manufacture. The new compounds have valuable chemotherapeutic properties and are suitable for combating diseases caused by parasites in humans and animals, such as helminths and liver flukes.
    Type: Grant
    Filed: August 26, 1975
    Date of Patent: December 7, 1976
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Heinz Loewe, Josef Urbanietz, Dieter Duwel, Reinhard Kirsch
  • Anthelmintically active 2-carbalkoxy-amino-benzimidazole-5(6)-phenyl ethers and method for using the same
    Patent number: 3984561
    Abstract: 2-Carbalkoxy-amino-benzimidazole-5(6)-phenyl ethers of the formula (I) ##SPC1##in which R.sub.1 represents alkyl of 1 to 4 carbon atoms, R.sub.2 and R.sub.3 represent, independently of each other, hydrogen, hydroxyl, alkoxy of 1 to 4 carbon atoms, halogen, trifluoromethyl, alkyl of 1 to 4 carbon atoms or carbalkoxy of 1 to 4 carbon atoms in the alkoxy group, R.sub.4 represents hydrogen or chlorine and X represents oxygen or sulfur as anthelmintically active compounds in pharmaceutical preparations and a method for using the same.
    Type: Grant
    Filed: January 23, 1974
    Date of Patent: October 5, 1976
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Heinz Loewe, Josef Urbanietz, Reinhard Kirsch, Dieter Duwel
  • Anthelmintically active 2-carbalkoxy-amino-benzimidazole-5(6)-phenyl ethers
    Patent number: 3954791
    Abstract: 2-Carbalkoxy-amino-benzimidazole-5(6)-phenyl ethers of the formula (I) ##SPC1##in which R.sub.1 represents alkyl of 1 to 4 carbon atoms, R.sub.2 and R.sub.3 represent, independently of each other, hydrogen, hydroxyl, alkoxy of 1 to 4 carbon atoms, halogen, trifluoromethyl, alkyl of 1 to 4 carbon atoms or carbalkoxy of 1 to 4 carbon atoms in the alkoxy group, R.sub.4 represents hydrogen or chlorine and X represents oxygen or sulfur, useful as anthelmintics.
    Type: Grant
    Filed: December 26, 1972
    Date of Patent: May 4, 1976
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Heinz Loewe, Josef Urbanietz, Reinhard Kirsch, Dieter Duwel