Patents by Inventor Alexander W. Kisselow

Alexander W. Kisselow 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).

  • Lubricating greases
    Patent number: 4129512
    Abstract: The polyurea thickener of a polyurea grease is prepared from:(a) a mixture of aliphatic and aromatic monoamines(b) one or more aromatic di-isocyanates(c) a diamine which is 4,17-dioxaeicosandiamine-1,20 and which has the formulaH.sub.2 N--(CH.sub.2).sub.3 --O--(CH.sub.2).sub.12 --O--(CH.sub.2).sub.3 --NH.sub.
    Type: Grant
    Filed: February 8, 1978
    Date of Patent: December 12, 1978
    Assignee: The British Petroleum Company Limited
    Inventors: Alexander W. Kisselow, Peter K. Wulk