Granted Patent
Utility
US 5,578,452 · App. 08/211,595
Enhancement of immunochemical staining in aldehyde-fixed tissues
Inventors:
Shan Shi, Atul K. Tandon, Krishan L. Kalra, Nagesh Malhotra, Sheng-Hui Su, Cheng Zhi Yu
Patented Case
View Patent ↗
Granted: Nov 26, 1996
Filed: Apr 7, 1994
Inventors
Shan Shi
Atul K. Tandon
Krishan L. Kalra
Nagesh Malhotra
Sheng-Hui Su
Cheng Zhi Yu
Assignee (at issue)
BioGenex Laboratories, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.