RH

Richard Allen Hayes

EA E.I. Du Pont De Nemours And: 4 patents #13 of 599Top 3%
📍 Beaumont, TX: #1 of 13 inventorsTop 8%
🗺 Texas: #356 of 8,731 inventorsTop 5%
Overall (2004): #12,301 of 270,089Top 5%
4
Patents 2004

Issued Patents 2004

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6818730 Process to produce polyesters which incorporate isosorbide Charles Brandenburg 2004-11-16
6787245 Sulfonated aliphatic-aromatic copolyesters and shaped articles produced therefrom 2004-09-07
6746779 Sulfonated aliphatic-aromatic copolyesters Leonard E. R. Kosinski 2004-06-08
6706396 Processes for producing very low IV polyester resin Gregory Hoffmann 2004-03-16