YL

Yeon F. Liang

PP Phillips Petroleum: 7 patents #236 of 1,401Top 20%
PE Plastek Engineering: 2 patents #8 of 17Top 50%
📍 Bartlesville, OK: #235 of 1,143 inventorsTop 25%
🗺 Oklahoma: #1,188 of 12,736 inventorsTop 10%
Overall (All Time): #592,548 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
4952629 Thermoplastic polyester blends 1990-08-28
4892930 Method for lowering the melt crystallization temperature of an arylene sulfide polymer with organic phosphite composition 1990-01-09
4889898 Thermoplastic polyester blends of improved impact resistance 1989-12-26
4888390 Rubbery compounds as modifiers for poly(arylene sulfide) William H. Beever 1989-12-19
4797448 Additive for arylene sulfide polymers of improved impact strength 1989-01-10
4743639 Arylene sulfide polymers of improved impact strength 1988-05-10
4708983 Arylene sulfide polymers of improved impact strength 1987-11-24
4581411 Rubbery compounds as modifiers for poly(arylene sulfide) William H. Beever 1986-04-08
4563509 Thermoset polymer production 1986-01-07