Patents by Inventor Benjamin Borenstein

Benjamin Borenstein 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).

  • Animal feed composition containing a vitamin D metabolite
    Patent number: 5043170
    Abstract: Poultry feed premixes and finished poultry feeds which contain particles comprising a Vitamin D.sub.3 metabolite and Vitamin D.sub.3 in a weight ratio ranging from about 1:2.5 to about 1:125 are described. These premixes and feeds are useful for promoting egg shell strength and bone strength in older egg laying hens as well as to provide to such hens the usual benefits of Vitamin D.sub.3 in a diet. The invention also relates to methods for improving egg shell strength in older egg laying hens which comprise administering to hens such particles.
    Type: Grant
    Filed: February 14, 1989
    Date of Patent: August 27, 1991
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Benjamin Borenstein, William J. Mergens, Govind G. Untawale