Title:
金属含有過塩基性清浄剤
Document Type and Number:
Japanese Patent JP4763103
Kind Code:
B2
Abstract:
A method of manufacturing a calcium overbased detergent, of TBN at least 300, from at least two surfactants, at least one of which is a phenol surfactant or a salicylic acid surfactant. Overbasing is carried out in at least two steps, at a temperature of less than 100° C., at least one of the overbasing steps being followed by a heat-soaking step. The overbased detergents produced may be useful marine diesel lubricant additives.
Inventors:
Skiner philippe
Renac Alan
Renac Alan
Application Number:
JP50017798A
Publication Date:
August 31, 2011
Filing Date:
May 16, 1997
Export Citation:
Assignee:
ExxonMobil Chemical Patents Inc.
International Classes:
C10M177/00; C07G99/00; C10M159/22; C10M159/24; C10N10/04; C10N20/00; C10N30/04; C10N40/25; C10N70/00
Domestic Patent References:
| JP1501399A | ||||
| JP7224294A | ||||
| JP60044595A | ||||
| JP2084494A | ||||
| JP2034690A |
Foreign References:
| WO1995016011A1 |
Attorney, Agent or Firm:
Minoru Nakamura
Fumiaki Otsuka
Nobuo Ogawa
Atsushi Hakoda
Fumiaki Otsuka
Nobuo Ogawa
Atsushi Hakoda