Patents by Inventor Friedrich Mueller-Hauck

Friedrich Mueller-Hauck 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).

  • Preparation of 3-acyloxy-2-methylbenzoic acids
    Patent number: 6891060
    Abstract: The invention relates to an improved process for preparing 3-acyloxy-2-methylbenzoic acids by heating substituted naphthalenes in the presence of alkali metal hydroxides and subsequently acylating.
    Type: Grant
    Filed: June 10, 2003
    Date of Patent: May 10, 2005
    Assignee: BayerAktiengesellschaft
    Inventors: Johannes Scherer, Horst Behre, Friedrich Müller-Hauck
  • Preparation of 3-alkoxy-2-methylbenzoic acids
    Publication number: 20040260119
    Abstract: The invention relates to an improved process for preparing 3-alkoxy-2-methylbenzoic acids by heating substituted naphthalenes in the presence of alkali metal hydroxides and subsequently alkylating.
    Type: Application
    Filed: June 10, 2003
    Publication date: December 23, 2004
    Inventors: Johannes Scherer, Friedrich Mueller-Hauck