US 11,692,081 B2
Carbon-coated particles
David M. Matheu, Somerville, MA (US); Theis F. Clarke, Houston, TX (US); David S. Crocker, Townsend, TN (US); Frederick H. Rumpf, Billerica, MA (US); David C. Reynolds, Winchester, MA (US); Dhaval A. Doshi, Lexington, MA (US); and Martin C. Green, Boxborough, MA (US)
Assigned to Cabot Corporation, Boston, MA (US)
Filed by Cabot Corporation, Boston, MA (US)
Filed on Nov. 5, 2021, as Appl. No. 17/519,642.
Application 16/693,233 is a division of application No. 15/139,449, filed on Apr. 27, 2016, granted, now 10,519,298, issued on Dec. 31, 2019.
Application 17/519,642 is a continuation of application No. 16/693,233, filed on Nov. 23, 2019, granted, now 11,198,774.
Claims priority of provisional application 62/304,694, filed on Mar. 7, 2016.
Claims priority of provisional application 62/155,142, filed on Apr. 30, 2015.
Prior Publication US 2022/0056241 A1, Feb. 24, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. C08K 9/10 (2006.01); C09C 1/02 (2006.01); C09C 1/00 (2006.01); C09C 1/36 (2006.01); C09C 3/06 (2006.01); C09C 1/42 (2006.01); C09C 1/48 (2006.01); C09C 1/40 (2006.01); C09C 1/56 (2006.01); C09C 1/30 (2006.01); C04B 41/87 (2006.01); C08K 9/02 (2006.01)
CPC C08K 9/10 (2013.01) [C04B 41/87 (2013.01); C08K 9/02 (2013.01); C09C 1/00 (2013.01); C09C 1/024 (2013.01); C09C 1/028 (2013.01); C09C 1/3054 (2013.01); C09C 1/3661 (2013.01); C09C 1/407 (2013.01); C09C 1/42 (2013.01); C09C 1/485 (2013.01); C09C 1/56 (2013.01); C09C 3/063 (2013.01); C01P 2004/45 (2013.01); C01P 2004/50 (2013.01); C01P 2004/62 (2013.01); C01P 2004/64 (2013.01); C01P 2004/86 (2013.01); C01P 2004/88 (2013.01); C01P 2006/12 (2013.01)] 12 Claims
 
1. A rubber composition or a rubber article comprising carbon-coated particles, wherein the carbon-coated particles comprise a non-carbon core, a reclaimed pyrolysis carbon core, or a plasma CB core coated by a carbon layer, wherein the carbon-coated particles have a STSA within the range of from about 5 to about 275 m2/g and a COAN within the range of from about 40 to about 150 cc/100 g.