Patent · US Expired

Process oil, process for producing the same and rubber composition

US6399697B1 · kind B1 · utility

29Cited by
1References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 8, 2000
Grant dateJun 4, 2002
Priority date
Expiry dateFeb 8, 2020

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10G2300/44
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Process oil which satisfies requirements that a content of a polycyclic aromatic compound is less than 3% by weight, a content of an aromatic hydrocarbon is 18% by weight or more, a content of a polar compound is between 11 and 25% by weight, a kinematic viscosity at 100° C. is between 10 and 70 mm2/s, and a flash point is 210° C. or more.

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