ALEXANDRIA, Va., April 13 -- Air Products and Chemicals, Allentown, Pennsylvania, has been assigned a patent (No. 10,252,242, initially filed March 17, 2017) developed by six co-inventors for an "alkali-promoted activated alumina adsorbent." The co-inventors are Garret Chi-Ho Lau, New Tripoli, Pennsylvania, Erin Marie Sorensen, Allentown, Pennsylvania, Fred William Taylor, Coplay, Pennsylvania, Timothy Christopher Golden, Nantes, France, Robert Quinn, Macungie, Pennsylvania, and William Jack Cas . . .