US Patent Issued to OMYA INTERNATIONAL on Dec. 2 for "Use of a porous filler for reducing the gas permeability of an elastomer composition" (French, Swiss Inventors)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,379, issued on Dec. 2, was assigned to OMYA INTERNATIONAL AG (Oftringen, Switzerland).

"Use of a porous filler for reducing the gas permeability of an elastomer composition" was invented by Matthias Welker (Hesingue, France) and Samuel Rentsch (Spiegel bei Bern, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A porous filler for reducing the gas permeability of an elastomer composition, a process for producing the elastomer composition comprising the porous filler, and the elastomer composition itself. The porous filler is selected from surface-reacted calcium carbonate, precipitated hydromagnesite and mixtures thereof. The addition of the...