US 9,809,068 B2
Air maintenance tire
Carolin Anna Welter, Schleich (DE); Andreas Frantzen, Trier (DE); Jeannot Frieden, Uebersyren (LU); Anne Therese Peronnet-Paquin, Luxembourg (LU); Stephan Rodewald, Canal Fulton, OH (US); Joseph John Kulig, Tallmadge, OH (US); and Mingliang Du, Copley, OH (US)
Assigned to The Goodyear Tire & Rubber Company, Akron, OH (US)
Filed by The Goodyear Tire & Rubber Company, Akron, OH (US)
Filed on Nov. 21, 2014, as Appl. No. 14/550,055.
Claims priority of provisional application 61/915,680, filed on Dec. 13, 2013.
Claims priority of provisional application 61/915,688, filed on Dec. 13, 2013.
Prior Publication US 2015/0165843 A1, Jun. 18, 2015
This patent is subject to a terminal disclaimer.
Int. Cl. B60C 23/12 (2006.01); B60C 1/00 (2006.01)
CPC B60C 23/12 (2013.01) [B60C 1/0025 (2013.01); Y10T 152/10495 (2015.01)] 2 Claims
 
1. A pneumatic tire comprising a sidewall component, the sidewall component including an air passageway extending at least partially about the circumference of the tire, the air passageway surrounded by and in fluid communication with a surface comprising a rubber composition, the rubber composition comprising:
a diene based rubber;
from 0.25 to 5 parts by weight, per 100 parts by weight of rubber (phr), of castor oil; and
from 1 to 15 parts by weight, per 100 parts by weight of rubber (phr), of a vulcanization modifier selected from the group consisting of α,ω-bis(N,N′-dihydrocarbylthiocarbamamoyldithio)alkanes, bismaleimides, and biscitraconimides.