Patents by Inventor Jozef Oostvogels

Jozef Oostvogels 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 caprolactam from cyclohexanone oxime by Beckmann rearrangement
    Patent number: 4804754
    Abstract: Caprolactam is prepared in a process comprising(a) a Beckmann rearrangement of cyclohexanone oxime with oleum at from 70.degree. to 130.degree. C. in one or more rearrangement stages, and(b) aftertreatment of the reaction mixture obtained from the rearrangement stage in a delay zone at from 70.degree. to 110.degree. C. for from 10 to 600 minutes.
    Type: Grant
    Filed: December 10, 1987
    Date of Patent: February 14, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Emile De Decker, Jozef Oostvogels, Gerard van Wauwe, Gerald Neubauer
  • Removal of water-immiscible solvents from offgases containing same
    Patent number: 4804473
    Abstract: Water-immiscible solvents are removed from offgases containing same by washing with water-containing caprolactam.
    Type: Grant
    Filed: December 22, 1987
    Date of Patent: February 14, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Uwe Brand, Emile DeDecker, Ernst Deuker, Hugo Fuchs, Klaus Kartte, Gerald Neubauer, Jozef Oostvogels