Patents Examined by G. T. Breitenstain
  • Production of formaldehyde
    Patent number: 3991118
    Abstract: Production of formaldehyde by oxidizing dehydrogenation of methanol in the presence of a silver catalyst and a tertiary or secondary amine. The formaldehyde which can be prepared by the invention is a disinfectant, tanning agent, reducing agent and valuable starting material for the production of synthetic resins, adhesives and plastics.
    Type: Grant
    Filed: March 20, 1972
    Date of Patent: November 9, 1976
    Assignee: Badische Anilin- & Soda-Fabrik Aktiengesellschaft
    Inventors: Hans Diem, Guenther Matthias, Friedrich Brunnmueller