Chong E. Chang

AT Alpha Therapeutic: 3 patents #10 of 56Top 20%

KG Korea Greencross: 1 patents #2 of 72Top 3%

Overall (All Time): #1,273,866 of 4,157,543Top 35%

Patents All Time

Issued Patents All Time

Patent #	Title	Co-Inventors	Date
6454739	Fibrin sealant delivery device	—	2002-09-24
5250662	Albumin purification	—	1993-10-05
4624780	Fractionation of blood plasma	—	1986-11-25
4486341	Fractionation of blood plasma	—	1984-12-04