Title:
LOW-TEMPERATURE FLUIDITY IMPROVER FOR HEAVY FUEL OIL A
Document Type and Number:
Japanese Patent JP3951388
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To obtain a low-temperature fluidity improver for heavy fuel oil A excellent in improving effects on the cloud filter plugging point(CFP) and the pour point correlated with low temperature characteristics under actual service conditions of the heavy fuel oil A.
SOLUTION: This improver comprises an A-(B-A)n type or an (A-B)n+1 type block copolymer [(n) is an integer of ≥1] composed of (A) a block comprising an aromatic vinyl compound unit and (B) a block comprising a diene compound unit or its hydrogenated substance or (a) 1-99 wt.% of the block copolymer or its hydrogenated substance and (b) 99-1 wt.% of a compound containing a polyoxyalkylene glycol part and a chain alkyl part as essential constituent parts.
Inventors:
Takashi Sawamura
Fukumoto Masahiro
Shinya Nishioka
Koji Ishizaki
Fukumoto Masahiro
Shinya Nishioka
Koji Ishizaki
Application Number:
JP31524297A
Publication Date:
August 01, 2007
Filing Date:
November 17, 1997
Export Citation:
Assignee:
Nippon Oil & Fat Co., Ltd.
International Classes:
C10L1/16; C10L1/18; C10L1/182; C10L10/14; (IPC1-7): C10L1/16; C10L1/18
Domestic Patent References:
| JP4353597A | ||||
| JP11506391A | ||||
| JP11501695A | ||||
| JP4057888A | ||||
| JP6506249A | ||||
| JP11506978A | ||||
| JP7258660A | ||||
| JP11509255A |
Attorney, Agent or Firm:
Tamotsu Otani
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