Patents by Inventor Max Buschhoff

Max Buschhoff 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).

  • Non-toxic stabilizer for halogenated polymer
    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
  • Method for making organotin halides
    Patent number: 4604475
    Abstract: A method for making organotin halides of the formula R.sub.3 SnX, R.sub.2 SnX.sub.2, or RSnX.sub.2 by the redistribution of appropriate mixtures of organotin compounds in the presence of stannous fluoride as a catalyst.
    Type: Grant
    Filed: March 19, 1985
    Date of Patent: August 5, 1986
    Assignee: Schering AG
    Inventors: Max Buschhoff, Wilhelm P. Neumann
  • Method of killing bacteria and fungi
    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
  • Method for making alkyl tin trichlorides
    Patent number: 3994944
    Abstract: A method for the monoalkylation of tin tetrachloride by reaction of tin tetrachloride at 20.degree. -70.degree. C. with a stoichiometric amount of an ether donor complex or of a tertiary amine donor complex of an aluminum trialkyl or alkyl aluminum halide.
    Type: Grant
    Filed: September 12, 1975
    Date of Patent: November 30, 1976
    Assignee: Schering Aktiengesellschaft
    Inventors: Max Buschhoff, Karl Heinz Mueller
  • Method for the preparation of methyltin trichloride
    Patent number: 3957839
    Abstract: Method for making methyltin trichloride by reacting methyl chloride with molten tin-(II)-chloride in a salt melt comprising one or more chlorides of certain metals.
    Type: Grant
    Filed: November 26, 1974
    Date of Patent: May 18, 1976
    Assignee: Schering Aktiengesellschaft
    Inventors: Wolfgang Sundermeyer, Axel VON Rumohr, Willi Towae, Max Buschhoff