DN

Donald D. Norwood

PP Phillips Petroleum: 2 patents #22 of 170Top 15%
📍 Bartlesville, OK: #21 of 129 inventorsTop 20%
🗺 Oklahoma: #43 of 749 inventorsTop 6%
Overall (1989): #28,804 of 140,708Top 25%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4820785 In situ comonomer generation in olefin polymerization Max P. McDaniel, Douglas D. Klendworth, Eric T. Hsieh, Elizabeth A. Boggs 1989-04-11
4806513 Silicon and fluorine-treated alumina containing a chromium catalyst and method of producing same Max P. McDaniel, Paul D. Smith 1989-02-21