Patents by Inventor Herbert Libowitzky

Herbert Libowitzky 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).

  • Stabilized aqueous formaldehyde solutions and process for their manufacture
    Patent number: 4001337
    Abstract: Stabilized, aqueous formaldehyde solutions and a process for their manufacture by addition of isophthalobis-guanamine and/or terephthalo-bis-guanamine. The formaldehyde solution of the invention is used as a disinfectant, tanning agent or reducing agent, and as a starting material for the manufacture of synthetic resins, adhesives and plastics.
    Type: Grant
    Filed: November 13, 1974
    Date of Patent: January 4, 1977
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans Diem, Herbert Libowitzky, Guenther Matthias, Christian Dudeck, Gunter Lehmann