Patents by Inventor Herman Verbrugge

Herman Verbrugge 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 2-halocyclobutanones
    Patent number: 4064174
    Abstract: The preparation of a 2-halocyclobutanone by contacting a 2,2-dihaloalkanoyl halide with an ethylenically unsaturated compound at a temperature of at least 5.degree. C in the presence of dispersed zinc or tin and certain alkanones is conducted by using a molar ratio of zinc (or tin) to 2,2-dihaloalkanoyl halide below 1.00, with the zinc (or tin) in the form of particles having a largest dimension of up to 0.05 mm, and adopting a temperature of up to 55.degree. C.
    Type: Grant
    Filed: March 1, 1976
    Date of Patent: December 20, 1977
    Assignee: Shell Oil Company
    Inventor: Herman Verbrugge