Patents by Inventor Otto Kaiser

Otto Kaiser 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).

  • Patent number: 3951908
    Abstract: A process for the production of a high melting point thermoplastic polymer flame-proofed by melt-blending with a lactam-impregnated red phosphorus as the essential retardant at temperatures above 200.degree. C. and the resulting flame-proofed thermoplastic polymer.
    Type: Grant
    Filed: May 8, 1974
    Date of Patent: April 20, 1976
    Assignee: Badische Anilin- & Soda Fabrik Aktiengesellschaft
    Inventors: Otto Kaiser, Anton Cadus