DW

David R. Warfel

AR Atlantic Richfield: 8 patents #51 of 1,061Top 5%
📍 Exton, PA: #68 of 370 inventorsTop 20%
🗺 Pennsylvania: #10,339 of 74,527 inventorsTop 15%
Overall (All Time): #671,469 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
4636540 Purification of polymer solutions 1987-01-13
4587330 Purification of polymer solutions Harold L. Nicholson 1986-05-06
4408006 Star elastomers in footwear compounds Ralph Milkovich 1983-10-04
4386133 Coated beads with macromonomer-styrene polymerizate coating Elizabeth A. Blommers, Alvin R. Ingram 1983-05-31
4346193 Continuous process for making star-block copolymers 1982-08-24
4333970 Process for producing coated beads with macromonomer-styrene polymerizate coating Elizabeth A. Blommers, Alvin R. Ingram 1982-06-08
4332760 Direct production of elastomer compound from reactor solution 1982-06-01
4307134 Process for producing plasticized elastomer-styrene coated beads Ralph Milkovich, Elizabeth A. Blommers, Alvin R. Ingram 1981-12-22