Patents by Inventor Hans-Otto Muller

Hans-Otto Muller 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).

  • 1-Phenyl-and-benzyl-2,2-dichloro-cyclopropanes
    Patent number: 4396523
    Abstract: 1-Phenyl- and -benzyl-2,2-dichloro-cyclopropanes of the formula ##STR1## in which R.sub.1 denotes a hydrogen atom or a methyl, ethyl, propyl, methoxy or ethoxy group,R.sub.2 and R.sub.3 independently of one another represent hydrogen atoms or methyl, ethyl or propyl groups, n is 0 or 1, andthe total number of the carbon atoms in the molecule is at most about 15, and preferably at most about 12,are employed as scents in the cosmetic and home hygiene fields.
    Type: Grant
    Filed: September 17, 1980
    Date of Patent: August 2, 1983
    Assignee: Haarmann & Reimer GmbH
    Inventors: Gotz Blume, Hans-Otto Muller
  • 1-Phenyl- and -benzyl-2,2-dichloro-cyclopropanes as scents
    Patent number: 4292210
    Abstract: 1-Phenyl- and -benzyl-2,2-dichloro-cyclopropanes of the formula ##STR1## in which R.sub.1 denotes a hydrogen atom or a methyl, ethyl, propyl, methoxy or ethoxy group,R.sub.2 and R.sub.3 independently of one another represent hydrogen atoms or methyl, ethyl or propyl groups,n is 0 or 1, andthe total number of the carbon atoms in the molecule is at most about 15, and preferably at most about 12,are employed as scents in the cosmetic and home hygiene fields.
    Type: Grant
    Filed: February 6, 1976
    Date of Patent: September 29, 1981
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gotz Blume, Hans-Otto Muller
  • 3-Methyl-aldehydes, processes for their preparation and their use as odorants
    Patent number: 4263459
    Abstract: The invention concerns new 3-methyl-aldehydes of the general formula ##STR1## wherein x is 6 or 7,a process for their preparation and their use as odorants.
    Type: Grant
    Filed: August 30, 1979
    Date of Patent: April 21, 1981
    Assignee: Haarmann & Reimer GmbH
    Inventors: Kurt Bauer, Detlef Hagena, Hans-Otto Muller