YL

Yuanfeng Liang

EA E.I. Du Pont De Nemours And: 2 patents #66 of 589Top 15%
📍 Chadds Ford, PA: #9 of 20 inventorsTop 45%
🗺 Pennsylvania: #640 of 5,512 inventorsTop 15%
Overall (2002): #33,731 of 266,432Top 15%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6426398 Poly (trimethylene terephthalate) polymer composition Joseph V. Kurian, Donald Edward Putzig 2002-07-30
6335421 Preparation of poly(trimethylene terephthalate) with low level of di(1,3-propylene glycol) Joseph V. Kurian 2002-01-01