Semih Erhan

📍 Philadelphia, PA: #4 of 143 inventorsTop 3%

🗺 Pennsylvania: #73 of 3,759 inventorsTop 2%

Overall (1989): #3,806 of 140,708Top 3%

Patents 1989

Issued Patents 1989

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
4882413	Novel Polymers	—	1989-11-21
4845278	Crosslinkable aramids	—	1989-07-04
4831107	Polymer preparation from lysine and a quinone	—	1989-05-16
4822867	Protein polymer grafts	—	1989-04-18