US Patent Issued to SHIN-ETSU CHEMICAL on July 28 for "Polyether-polysiloxane crosslinked rubber spherical particle, method for manufacturing the same, polyether-polysiloxane crosslinked composite particle, and method for manufacturing the same" (Japanese Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,392, issued on July 28, was assigned to SHIN-ETSU CHEMICAL Co. LTD. (Tokyo).

"Polyether-polysiloxane crosslinked rubber spherical particle, method for manufacturing the same, polyether-polysiloxane crosslinked composite particle, and method for manufacturing the same" was invented by Takahito Oki (Takasaki, Japan), Yoshinori Inokuchi (Takasaki, Japan), Shunji Aoki (Annaka, Japan) and Tsuneo Kimura (Annaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A polyether-polysiloxane crosslinked rubber spherical particle including an addition-reaction product of a composition containing: (A) a polyether having at least two aliphatic unsaturated group...