Patent · US Active

High performance environmentally friendly sealant composition for tire repair

US9963620B2 · kind B2 · utility

1Cited by
4References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 29, 2016
Grant dateMay 8, 2018
Priority date
Expiry dateMar 25, 2036

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08K2003/3045
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

An environmentally friendly puncture sealing composition is provided which includes natural rubber latex, suitably high filtered natural rubber latex having a controlled particle size, and an aqueous antifreeze agent that includes water, glycerin and propylene glycol. The aqueous antifreeze agent has a viscosity profile similar to common ethylene glycol-based antifreeze agents, but is free of ethylene glycol. The puncture sealing composition avoids the environmental hazards of ethylene glycol, and is effective at temperatures of −30° C. and lower.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.