Patents by Inventor Helmut Fleig

Helmut Fleig 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).

  • Nitroimidazoles
    Patent number: 4218460
    Abstract: Nitroimidazolylvinylthiadiazoles, their production, and formulations containing same for use as chemotherapeutics in the treatment of microbial infections in humans and animals, especially of trichomoniasis, trypanosomiasis and amoebic dysentery.
    Type: Grant
    Filed: November 7, 1978
    Date of Patent: August 19, 1980
    Assignee: BASF Aktiengesellschaft
    Inventors: Helmut Fleig, Helmut Hagen, Toni Dockner, Friedrich W. Kohlmann
  • 2-Trichloromethyl-4-nitrobenzenesulfenic acid derivatives
    Patent number: 4163020
    Abstract: New 2-trichloromethyl-4-nitrobenzenesulfenic acid derivatives having a fungicidal and bactericidal action, agents for combatting fungi and bacteria containing these compounds as active ingredients, processes for combatting fungi and bacteria with these active ingredients, and processes for their manufacture. Of particular interest are 2-trichloromethyl-4-nitrobenzenesulfenic acid chloride and 2-trichloromethyl-4-nitrophenyl thiocyanate.
    Type: Grant
    Filed: April 24, 1978
    Date of Patent: July 31, 1979
    Assignee: BASF Aktiengesellschaft
    Inventors: Helmut Hagen, Wolfgang Reuther, Ernst-Heinrich Pommer, Helmut Fleig
  • Manufacture of 3-amino-1,2-benzisothiazoles
    Patent number: 4140692
    Abstract: 3-Amino-1,2-benzisothiazoles are manufactured by reacting o-halobenzonitriles with ammonia and elementary sulfur. The products are fungicides and starting materials for the manufacture of dyes, crop protection agents and pharmaceuticals.
    Type: Grant
    Filed: February 14, 1977
    Date of Patent: February 20, 1979
    Assignee: BASF Aktiengesellschaft
    Inventors: Helmut Fleig, Helmut Hagen
  • 2-Trichloromethyl-1,3,4-thiadiazole
    Patent number: 4083986
    Abstract: The new compound 2-trichloromethyl-1,3,4-thiadiazole, a process for its manufacture, a fungicide containing this compound as active ingredient, and a process for controlling fungi with this compound.
    Type: Grant
    Filed: June 17, 1977
    Date of Patent: April 11, 1978
    Assignee: BASF Aktiengesellschaft
    Inventors: Ernst-Heinrich Pommer, Helmut Hagen, Helmut Fleig
  • Certain fungitoxic 2-halo-5-trichloromethyl-1,3,4-thiadiazoles
    Patent number: 4066775
    Abstract: This invention relates to new and valuable 2-halo-5-trichloromethyl-1,3,4-thiadiazoles having a good fungicidal action, fungicides containing these compounds as active ingredients, a method of controlling fungi with these compounds, and a process for their manufacture.
    Type: Grant
    Filed: May 21, 1976
    Date of Patent: January 3, 1978
    Assignee: BASF Aktiengesellschaft
    Inventors: Ernst-Heinrich Pommer, Helmut Hagen, Helmut Fleig
  • Naphth-[2,1-d]-isothiazole and nematocidal uses thereof
    Patent number: 4061762
    Abstract: Naphth-[2,1-d]-isothiazole, agents for combatting nematodes containing this active ingredient, and a method of combatting nematodes with this active ingredient.
    Type: Grant
    Filed: July 12, 1976
    Date of Patent: December 6, 1977
    Assignee: BASF Aktiengesellschaft
    Inventors: Heinrich Adolphi, Helmut Fleig, Helmut Hagen
  • Self-extinguishing thermoplastic molding compositions
    Patent number: 4049622
    Abstract: Thermoplastic molding compositions based on styrene polymers contain, as a flameproofing agent, an organic bromine compound of the general formula ##STR1## where X is a hydrocarbon radical and n is 0 or 1. The compositions may be used for the manufacture of self-extinguishing moldings, e.g. foams.
    Type: Grant
    Filed: August 18, 1976
    Date of Patent: September 20, 1977
    Assignee: BASF Aktiengesellschaft
    Inventors: Helmut Fleig, Helmut Hagen, Herbert Naarmann, Klaus Penzien
  • 1,2,4-Oxadiazolin-5-one derivatives
    Patent number: 3994909
    Abstract: 1,2,4-OXIDIAZOLIN-5-ONE DERIVATIVES HAVING A GOOD FUNGICIDAL ACTION. Fungicidal compounds of one of the formulae: ##SPC1##Wherein Z is --OCH.sub.3, --OC.sub. 2 H.sub.5, --OCH(CH.sub.3).sub.NH(CH.sub., --NHC.sub.2 H.sub.5 or --NH(lH.sub.2).sub.3 CH.sub.
    Type: Grant
    Filed: January 16, 1975
    Date of Patent: November 30, 1976
    Assignee: BASF Aktiengesellschaft
    Inventors: Ernst-Heinrich Pommer, Helmut Hagen, Helmut Fleig
  • .alpha.-Hydroxy-.beta.-aminocarboxylic acids
    Patent number: 3962319
    Abstract: New .alpha.-hydroxy-.beta.-aminocarboxylic acids which are agents for masking metal ions and auxiliaries for the paper and textile industries. Other outlets are in the textile industry in dyeing and bleaching, in metal refining, in the foodstuffs industry (bottle washing) and in the field of catalysts (fuel cells, accumulators).
    Type: Grant
    Filed: January 19, 1972
    Date of Patent: June 8, 1976
    Assignee: Badische Anilin- & Soda-Fabrik Aktiengesellschaft
    Inventors: Friedrich Becke, Helmut Fleig