RH

Richard Allen Hayes

EA E.I. Du Pont De Nemours And: 3 patents #23 of 718Top 4%
📍 Beaumont, TX: #3 of 21 inventorsTop 15%
🗺 Texas: #220 of 5,527 inventorsTop 4%
Overall (1994): #9,494 of 165,921Top 6%
3
Patents 1994

Issued Patents 1994

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5362515 Poly(vinyl alcohol)copolymer sizes having high capacity to be desized George D. Robinson 1994-11-08
5322549 Polyimides and gas separation membranes prepared therefrom 1994-06-21
5319070 Process for removal of ash from poly(vinyl alcohol) polymers 1994-06-07