Patents by Inventor Dharam P. Chopra

Dharam P. Chopra 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).

  • Human diploid salivary gland epithelial cell lines
    Patent number: 5462870
    Abstract: Described is a biologically pure culture of an immortal human parotid based epithelial cell. The present invention is concerned with the establishment in serum-free medium of normal diploid epithelial cell lines from the human parotid gland. The terms "diploid chromosome complement" mean that, as determined by karyotype analysis, the cells have neither gained or lost any chromosomes and do not appear to show any structural alterations.
    Type: Grant
    Filed: April 23, 1993
    Date of Patent: October 31, 1995
    Assignee: Wayne State University
    Inventor: Dharam P. Chopra