DL

David C. Lewis

HP Huntsman Petrochemical: 1 patents #2 of 8Top 25%
🗺 Texas: #5,631 of 16,704 inventorsTop 35%
Overall (2024): #493,853 of 561,600Top 90%
1
Patents 2024

Issued Patents 2024

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12077730 Quaternary ammonium hydroxides of polyamines Donald H. Champion, Juventino Uriarte, Hui Zhou, Ke Zhang, Chai Zheng 2024-09-03