The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 02, 1998
Filed:
Jun. 02, 1995
Applicant:
Inventors:
Curtis C Harris, Bethesda, MD (US);
Katharine H Cole, Dayton, MD (US);
John F Lechner, Albuquerque, NM (US);
Roger Reddel, St. Ives, AU;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12N / ;
U.S. Cl.
CPC ...
435-4 ; 435-6 ; 435325 ; 435366 ; 435 691 ; 435-721 ; 4351723 ; 421 9221 ; 421 931 ; 935 55 ; 935 57 ;
Abstract
Immortalized cell lines derived from normal adult human liver are described which express phenotypic characteristics of normal adult liver epithelial cells. The invention further provides methods of using the immortalized cells to evaluate the cytotoxicity or carcinogenicity of a compound.