Patents by Inventor Arndt Christian Caesar

Arndt Christian Caesar 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).

  • Manufacture of shaped articles of foamed olefin polymers
    Patent number: 4031179
    Abstract: Shaped articles are produced by heating and compressing particles of foamed olefin polymer containing crosslinked portions in molds, the pressure being reduced during compression in the mold.
    Type: Grant
    Filed: June 18, 1974
    Date of Patent: June 21, 1977
    Assignee: BASF Aktiengesellschaft
    Inventors: Hermann Tatzel, Wolfram Koegel, Gilbert Beck, Ludwig Zuern, Arndt Christian Caesar
  • Process for the manufacture of void-free polyolefin foam moldings
    Patent number: 3992501
    Abstract: Foam moldings of olefin polymers are prepared by heating, and pressing together, foamed particles of an olefin polymer, containing crosslinked constituents, in molds, a temperature gradient of from 0.5.degree. to 25.degree. C per cm of loose mass of particles being established in the mold, which has a gas-permeable wall on the lower-temperature side.
    Type: Grant
    Filed: June 18, 1974
    Date of Patent: November 16, 1976
    Assignee: BASF Aktiengesellschaft
    Inventors: Hermann Tatzel, Wolfram Koegel, Gilbert Beck, Ludwig Zuern, Arndt Christian Caesar