Patents by Inventor Toni Dockner

Toni Dockner 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: 4602927
    Abstract: 4-Alkylimidazole derivatives of the formula I ##STR1## where R.sup.1 is C.sub.1 -C.sub.4 -alkyl, R.sup.2 is chlorine or bromine and R.sup.3 is an --OR.sup.4 or --NR.sup.5 R.sup.6 group in which R.sup.4 is C.sub.1 -C.sub.4 -alkyl, R.sup.5 is hydrogen or C.sub.1 -C.sub.4 -alkyl and R.sub.6 is C.sub.1 -C.sub.4 -alkyl or is phenyl which is unsubstituted or substituted by 1 or 2 halogen atoms, and its salts, their preparation and their use as nitrification inhibitors.
    Type: Grant
    Filed: August 20, 1984
    Date of Patent: July 29, 1986
    Assignee: BASF Aktiengesellschaft
    Inventors: Toni Dockner, Ernst-Heinrich Pommer, Juergen Dressel
  • Patent number: 4599202
    Abstract: Adipodinitrile is prepared by reacting adipic acid with excess ammonia at from 250.degree. to 350.degree. C. in the liquid phase in the presence of a diluent by a process in which a liquid hydrocarbon which is inert under the reaction conditions is used as the diluent.
    Type: Grant
    Filed: July 3, 1985
    Date of Patent: July 8, 1986
    Assignee: BASF Aktiengesellschaft
    Inventors: Toni Dockner, Manfred Sauerwald, Jost H. Manegold, Hans Leitner
  • Patent number: 4551528
    Abstract: Organic condensation reactions are carried out at elevated temperatures by a method in which the starting material or materials are fed in, in gaseous form, at the bottom of a reactor charged with a mineral oil having a boiling point of not less than 150.degree. C., or are fed in, in liquid form, at the bottom of the reactor, and the mineral oil is kept at a temperature which is no lower than the boiling points, of the starting materials introduced as liquids, which correspond to the partial pressures, of the said starting materials, resulting at the bottom of the reactor, and the product is taken off, in gaseous form, at the top of the reactor.
    Type: Grant
    Filed: December 6, 1983
    Date of Patent: November 5, 1985
    Assignee: BASF Aktiengesellschaft
    Inventors: Toni Dockner, Herbert Krug
  • Patent number: 4550176
    Abstract: Imidazole-4,5-dicarboxylic acid is prepared by a process in which imidazole is reacted with formaldehyde, and the reaction mixture is treated with nitric acid.
    Type: Grant
    Filed: January 11, 1984
    Date of Patent: October 29, 1985
    Assignee: BASF Aktiengesellschaft
    Inventors: Toni Dockner, Uwe Kempe, Anton Frank
  • Patent number: 4529537
    Abstract: Liquid epoxy resin hardeners are mixtures of 2-ethyl-4-methylimidazole, ethyldimethylimidazole and/or diethylmethylimidazole isomers which can also contain other alkylimidazoles, and can be produced by distillation of the products obtained in the dehydrogenation of 2-ethyl-4-methylimidazoline.
    Type: Grant
    Filed: July 5, 1984
    Date of Patent: July 16, 1985
    Assignee: BASF Aktiengesellschaft
    Inventors: Toni Dockner, Anton Frank
  • Patent number: 4481211
    Abstract: Substituted benzylimidazolium salts of the formula ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are identical or different and are each hydrogen, C.sub.1 -C.sub.4 -alkyl or halogen, R.sup.4 is alkyl of 8 to 14 carbon atoms or benzyl which is unsubstituted or substituted by halogen or alkyl, R.sup.5 is hydrogen, alkyl of 1 to 8 carbon atoms, phenyl or benzyl, R.sup.6 is alkyl of 1 to 4 carbon atoms or halogen, R.sup.7 is alkyl of 1 to 4 carbon atoms or halogen and X is an anion of an acid, in particular of a hydrohalic acid, and microbicides containing these compounds.
    Type: Grant
    Filed: November 15, 1982
    Date of Patent: November 6, 1984
    Assignee: BASF Aktiengesellschaft
    Inventors: Toni Dockner, Ernst-Heinrich Pommer, Matthias Wetzler
  • Patent number: 4340745
    Abstract: 2-Imidazolines are prepared by reacting N,N'-diformyl-1,2-diamines in the gas phase at 200.degree.-350.degree. C., in the presence of certain amounts of an inert gas, over zinc oxide of a particular structure or over a mixture of this zinc oxide and aluminum oxide, as the catalyst.The 2-imidazolines obtainable by the process according to the invention are valuable starting materials for the preparation of dyes, crop protection agents and drugs.
    Type: Grant
    Filed: March 9, 1981
    Date of Patent: July 20, 1982
    Assignee: BASF Aktiengesellschaft
    Inventors: Toni Dockner, Uwe Kempe, Herbert Krug, Peter Magnussen, Werner Praetorius
  • Patent number: 4340744
    Abstract: Imidazoles are prepared by reacting 2-imidazolines at from 250.degree. to 500.degree. C. in the presence of molybdenum oxide and nickel oxide and/or cobalt oxide and aluminum oxide, silicon dioxide and/or silicates as catalysts.The imidazoles obtainable by the process according to the invention are valuable starting materials for the preparation of dyes, crop protection agents, textile auxiliaries, catalysts for polyurethanes and epoxy resins, surfactants and drugs, for example the corresponding nitroimidazoles.
    Type: Grant
    Filed: March 9, 1981
    Date of Patent: July 20, 1982
    Assignee: BASF Aktiengesellschaft
    Inventors: Helmut Schwarz, Toni Dockner, Uwe Kempe, Herbert Krug, Werner Praetorius, Peter Magnussen, Ewald Gallei, Erich Fehr
  • Patent number: 4339448
    Abstract: New imidazole-copper complex compounds having a good fungicidal action, fungicides containing these compounds as active ingredients, processes for their manufacture, and their use for combating fungi.
    Type: Grant
    Filed: October 22, 1979
    Date of Patent: July 13, 1982
    Assignee: BASF Aktiengesellschaft
    Inventors: Toni Dockner, Anton Frank, Ernst-Heinrich Pommer
  • Patent number: 4298748
    Abstract: A novel process for the preparation of 2-imidazolines by reacting 1,2-diamines with nitriles or carbonyl compounds in the gas phase at from 200.degree. to 450.degree. C. in the presence of an oxide or phosphate of a metal of group 3 or 4 of the periodic table and/or in the presence of silicon dioxide.The 2-imidazolines obtainable by the process of the invention are valuable starting materials for the preparation of dyes, crop protection agents and drugs.
    Type: Grant
    Filed: November 27, 1979
    Date of Patent: November 3, 1981
    Assignee: BASF Aktiengesellschaft
    Inventors: Toni Dockner, Uwe Kempe, Herbert Krug, Peter Magnussen, Werner Praetorius, Hans J. Szymanski
  • Patent number: 4278801
    Abstract: A process for the manufacture of 5-hydroxymethylimidazoles by reaction of an imidazole with formaldehyde or an oligomer of formaldehyde in aqueous hydrochloric acid solution containing from 5 to 18% by weight of hydrogen chloride, at from 80.degree. to 160.degree. C., if desired in a closed system under pressure, followed by isolation in the form of its hydrochloride of the 5-hydroxymethylimidazole obtained.
    Type: Grant
    Filed: February 8, 1980
    Date of Patent: July 14, 1981
    Assignee: BASF Aktiengesellschaft
    Inventors: Uwe Kempe, Toni Dockner, Anton Frank, Helmut Karn
  • Patent number: 4242517
    Abstract: 1-Hydroxymethylimidazoles which are unsubstituted or alkyl-substituted in the 2-position, their manufacture and their use as chemical intermediates, e.g. for other imidazole derivatives or for the drug cimetidine.
    Type: Grant
    Filed: August 8, 1979
    Date of Patent: December 30, 1980
    Assignee: BASF Aktiengesellschaft
    Inventors: Toni Dockner, Anton Frank, Uwe Kempe, Matthias Wetzler, Helmut Karn
  • Patent number: 4239895
    Abstract: 1-Hydroxymethylimidazoles which are unsubstituted or alkyl-substituted in the 2-position, their manufacture and their use as chemical intermediates, e.g. for other imidazole derivatives or for the drug cimetidine.
    Type: Grant
    Filed: August 8, 1979
    Date of Patent: December 16, 1980
    Assignee: BASF Aktiengesellschaft
    Inventors: Toni Dockner, Anton Frank, Uwe Kempe, Matthias Wetzler, Helmut Karn
  • 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
  • Patent number: 4176137
    Abstract: A process for the manufacture of carboxylic acid amides by addition reaction of water with nitriles in the presence of a catalyst which contains copper and magnesium silicate and has been treated with a reducing gas, to which catalyst cement of a certain particle size has been admixed. The amides obtainable by the process are starting materials for the manufacture of solvents, flocculants, wetting agents, pesticides, crop protection agents, textile assistants, e.g. brighteners, water repellent agents, foam stabilizers and detergents.
    Type: Grant
    Filed: November 13, 1978
    Date of Patent: November 27, 1979
    Assignee: BASF Aktiengesellschaft
    Inventors: Rolf Platz, Toni Dockner, Jurgen Heners, Herbert Krug
  • Patent number: 4156784
    Abstract: Carbamates are manufactured by reaction of alcohols with urea in the presence of ion exchangers containing nickel.The products are starting materials for the manufacture of textile finishing agents, dyes and plant protection agents.
    Type: Grant
    Filed: September 9, 1977
    Date of Patent: May 29, 1979
    Assignee: BASF Aktiengesellschaft
    Inventors: Toni Dockner, Harro Petersen
  • Patent number: 4145553
    Abstract: Manufacture of 4-nitroimidazoles by nitrating imidazoles with nitric acid in the presence of urea while at the same time removing water from the mixture by distillation.The compounds which can be manufactured by the process of the invention are catalysts for polymerization reactions and condensation reactions, especially for reactions with epoxides, the aldol condensation, the manufacture of polyurethanes, condensation reactions with malonic esters or acetoacetic esters and intermediates for the manufacture of dyes, textile auxiliaries and insecticides.
    Type: Grant
    Filed: September 19, 1977
    Date of Patent: March 20, 1979
    Assignee: BASF Aktiengesellschaft
    Inventors: Matthias Wetzler, Toni Dockner
  • Patent number: 4105657
    Abstract: Production of N-alkylated cyclic alkylenimines by reaction of cyclic alkylenimines with an alcohol or ether in the gas phase in the presence of a high-area SiO.sub.2 /P.sub.2 O.sub.5 catalyst.
    Type: Grant
    Filed: April 8, 1977
    Date of Patent: August 8, 1978
    Assignee: BASF Aktiengesellschaft
    Inventors: Toni Dockner, Herbert Toussaint, Martin Decker
  • Patent number: 4052384
    Abstract: Aziridinocarboxylic acid esters of polyols are manufactured by trans-esterification of the corresponding esters of lower alcohols, using magnesium oxide or calcium oxide as the trans-esterification catalyst; this method gives a higher yield and a purer product.
    Type: Grant
    Filed: April 13, 1976
    Date of Patent: October 4, 1977
    Assignee: BASF Aktiengesellschaft
    Inventors: Toni Dockner, Albrecht Wallis, Rolf Fikentscher, Rainer Thomas, Reinhard Herzog
  • Patent number: 4021442
    Abstract: 1-Alkyl-5-nitroimidazoles are prepared by reacting a 5-nitroimidazole with an alkylating agent in the presence of an aliphatic carboxylic acid. The products are intermediates for the production of dyes, textiles auxiliaries and insecticides.
    Type: Grant
    Filed: March 11, 1975
    Date of Patent: May 3, 1977
    Assignee: BASF Aktiengesellschaft
    Inventors: Anton Frank, Helmut Karn, Toni Dockner