Title:
プロセス油及びその製造方法
Document Type and Number:
Japanese Patent JP4208716
Kind Code:
B2
Abstract:
A process oil comprising a 95/5 to 5/95 by weight mixture of: an extract having a DMSO extractable content less than 3 wt% obtained by solvent-extracting an oil obtained by deasphalting a vacuum distillation bottom; and either a mineral oil base having a DMSO extractable content less than 3 wt% which is a raffinate obtained by the solvent refining of a vacuum distillate or a mineral oil base having a DMSO extractable content less than 3 wt% obtained by subjecting a raffinate obtained by the solvent refining of a vacuum distillate to hydrorefining and/or dewaxing. The process oil has a kinematic viscosity at 100oC of less than 32 mm2/s, %CA of 15 to 30, aniline point of 100oC or lower, weight change through evaporation of 0.5% or less, and mutagenicity index of less than 1.
Inventors:
Takashi Kaimai
Morishima Kinyuki
Kenji Fujino
Morishima Kinyuki
Kenji Fujino
Application Number:
JP2003534510A
Publication Date:
January 14, 2009
Filing Date:
September 30, 2002
Export Citation:
Assignee:
Japan Energy Co., Ltd.
International Classes:
C10G53/04; C08K5/01; C08L21/00; C08L91/08; C10G21/00; C10G53/16; C10G67/04; C10G73/06; C10M101/02; C10M175/00; C10M177/00; C10N20/00; C10N70/00
Domestic Patent References:
| JP11080434A | ||||
| JP11302456A |
Foreign References:
| WO1997035462A1 |
Other References:
石油学会,石油辞典,丸善株式会社,1989年,第11頁左欄
Attorney, Agent or Firm:
Patent Business Corporation Moegi Patent Office