Patents by Inventor Hans Plum

Hans Plum 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: 5149365
    Abstract: The invention concerns new diorganotin compounds derived from N-cyclohexyl-N'-hydroxy diazenium oxide, as well as bactericides and fungicides which are suitable as disinfectants, as preservatives for wood and other materials, for bactericidal and fungicidal finishing of textiles, plastics, building materials or as biocides for paint systems and which contain these diorganotin compounds as active ingredients.
    Type: Grant
    Filed: January 22, 1991
    Date of Patent: September 22, 1992
    Assignee: Schering Aktiengesellschaft
    Inventors: Horst Landsiedel, Hans Plum
  • Patent number: 4988750
    Abstract: What are disclosed are a non-toxic stabilizer mixture for a molding compound comprising a halogenated polymer, said stabilizer mixture comprising about 40 percent by weight of a didodecyltin-bis-thioglycolic acid ester of the formula(n-C.sub.12 H.sub.25).sub.2 Sn(SCH.sub.2 COOR).sub.2and about 60 percent by weight of a dodecyltin-tristhioglycolic acid ester of the formulan-C.sub.12 H.sub.25 Sn(SCH.sub.2 COOR).sub.3wherein R is a straight-chain or branched-chain alkyl having 8 to 20 carbon atoms, a method for stabilizing a halogenated molding compound with such a stabilizer mixture, and a stabilized molding compound comprising such a stabilizer mixture.
    Type: Grant
    Filed: September 11, 1986
    Date of Patent: January 29, 1991
    Assignee: Schering AG
    Inventors: Max Buschhoff, Hans Plum, Karl-Heinz Mueller
  • Patent number: 4968455
    Abstract: Tris(triorganotin) esters of trimeric fatty acids wherein the groups which are organically combined with the tin atom are the same or different and are linear or branched alkyl having from 3 to 6 carbon atoms, cyclohexyl, or phenyl, and biocidal agents containing these compounds as an active ingredient.
    Type: Grant
    Filed: October 3, 1985
    Date of Patent: November 6, 1990
    Assignee: Schering Aktiengesellschaft
    Inventors: Horst Landsiedel, Hans Plum
  • Patent number: 4684663
    Abstract: Tri-n-butylstannyloxy tricyclodecanes, their preparation, and biocidal agents containing the same as active ingredients.
    Type: Grant
    Filed: April 28, 1986
    Date of Patent: August 4, 1987
    Assignee: Schering Aktiengesellschaft
    Inventors: Hans Plum, Horst Landsiedel
  • Patent number: 4514225
    Abstract: What are disclosed are methods for rendering a substrate such as wood biocidal by treating the substrate with a biocidal triorganotin compound of the formula ##STR1## wherein R is cyclohexyl, phenyl, or alkyl having from 3 to 8 carbon atoms.
    Type: Grant
    Filed: February 21, 1984
    Date of Patent: April 30, 1985
    Assignee: Schering Aktiengesellschaft
    Inventors: Horst Landsiedel, Hans Plum
  • Patent number: 4374778
    Abstract: What are disclosed are monoalkylfluorotin compounds of the formula ##STR1## wherein R is alkyl having 1 to 12 carbon atoms, X taken alone is fluorine or carboxylate, Y taken alone is chlorine, carboxylate, or ##STR2## or wherein X and Y, taken together, are oxygen, and methods for making said compounds from alkanestannonic acids.
    Type: Grant
    Filed: July 6, 1981
    Date of Patent: February 22, 1983
    Assignee: Schering Aktiengesellschaft
    Inventors: Hans Plum, Ulrich Schroeer
  • Patent number: 4140706
    Abstract: Tri-isobutyl-tin azide, (i-Bu).sub.3 SnN.sub.3 is disclosed, as are certain bis-(azido-di-alkyl-tin)-oxides of the formula ##STR1## and a method for making them, as well as bactericidal and fungicidal agents comprising these biocidal tin compounds.
    Type: Grant
    Filed: June 26, 1978
    Date of Patent: February 20, 1979
    Assignee: Schering Aktiengesellschaft
    Inventors: Hans Plum, Ulrich Schroeer
  • Patent number: 4112084
    Abstract: Tri-isobutyl-tin azide, (i-Bu).sub.3 SnN.sub.3 is disclosed, as are certain bis-(azido-di-alkyl-tin)-oxides of the formula ##STR1## and a method for making them, as well as bactericidal and fungicidal agents comprising these biocidal tin compounds.
    Type: Grant
    Filed: November 22, 1977
    Date of Patent: September 5, 1978
    Assignee: Schering Aktiengesellschaft
    Inventors: Hans Plum, Ulrich Schroeer
  • Patent number: 4108990
    Abstract: Biocidal agents containing as the active ingredients a diorgano tin compound of the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, and R.sup.5 are various organic groups, (R.sup.3 + R.sup.4) may be oxygen, and X is oxygen or sulfur; methods for using such agents to kill bacteria and fungi, for example by treating a substrate such as wood or a textile with such agents; a method for making said diorgano tin compounds; and certain of said diorgano tin compounds as novel compositions of matter, are disclosed.
    Type: Grant
    Filed: June 11, 1976
    Date of Patent: August 22, 1978
    Assignee: Schering Aktiengesellschaft
    Inventors: Hans Plum, Max Buschhoff, Alena Cejka
  • Patent number: 4061491
    Abstract: Compounds having herbicidal and algicidal action are provided of the general formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are identical or different alkyl radicals, and R.sub.4 is an acid radical, or the radical of an acid compound or is ##STR2## with R.sub.1 ', R.sub.2 ', and R.sub.3 ' having the meaning of R.sub.1, R.sub.2 or R.sub.3 respectively, and wherein X represents oxygen or sulfur.
    Type: Grant
    Filed: March 11, 1975
    Date of Patent: December 6, 1977
    Assignee: Schering Aktiengesellschaft
    Inventors: Friedrich Arndt, Hans Plum