HH

Henry L. Hsieh

PP Phillips Petroleum: 10 patents #1 of 166Top 1%
📍 Bartlesville, OK: #1 of 112 inventorsTop 1%
🗺 Oklahoma: #3 of 727 inventorsTop 1%
Overall (1994): #405 of 165,921Top 1%
10
Patents 1994

Issued Patents 1994

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
5376729 Grafted copolymers highly absorbent to aqueous electrolyte solutions Iqbal Ahmed 1994-12-27
5357000 Grafted copolymers highly absorbent to aqueous electrolyte solutions Iqbal Ahmed 1994-10-18
5354806 Superabsorbent crosslinked ampholytic ion pair copolymers 1994-10-11
5334685 Grafted copolymers highly absorbent to aqueous electrolyte solutions Iqbal Ahmed 1994-08-02
5331021 Grafted copolymers highly absorbent to aqueous electrolyte solutions used in diapers and paper towels Iqbal Ahmed 1994-07-19
5326854 Flocculation process using lactam or vinyl sulfonate polymer G. Allan Stahl, Ahmad Moradi-Araghi 1994-07-05
5290871 Grafted copolymers highly absorbent to aqueous electrolyte solutions Iqbal Ahmed 1994-03-01
5290870 Grafted copolymers highly absorbent to aqueous electrolyte solutions Iqbal Ahmed 1994-03-01
5286694 Lanthanide halide catalyst, method of producing the catalyst, and polymerization process employing the catalyst Ted M. Pettijohn 1994-02-15
5281673 Superabsorbent polymers Iqbal Ahmed 1994-01-25