Title:
エチレンをベースとするコポリマー、それらを含む潤滑油組成物及びそれらの製造方法
Document Type and Number:
Japanese Patent JP2012525470
Kind Code:
A
Abstract:
Provided are ethylene-based copolymers, methods of preparing the same, lubricating oil compositions including the same, methods for preparing such lubricating oil compositions, and end uses for such ethylene-based copolymers and lubricating oil compositions. The ethylene-based copolymers may include from about 35 wt. % to about 60 wt. % of units derived from ethylene and at least 1.0 wt. % of one or more alpha-olefin comonomers having 3 to 20 carbon atoms. The ethylene-based copolymers are substantially amorphous and have a polydispersity index of about 2.8 or less.
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Inventors:
Corbriania
Datta Sadin
Fan Leapao Oscar
Shirota Eric Bee
Minak-Bernero Vera
San Thomas Tea
Zemun Fu
Datta Sadin
Fan Leapao Oscar
Shirota Eric Bee
Minak-Bernero Vera
San Thomas Tea
Zemun Fu
Application Number:
JP2012508522A
Publication Date:
October 22, 2012
Filing Date:
April 15, 2010
Export Citation:
Assignee:
ExxonMobil Chemical Patents, Inc.
International Classes:
C08F210/02; C08F4/6592; C10M143/00; C10N20/00; C10N20/02; C10N20/04; C10N30/02; C10N40/00; C10N40/04; C10N40/08; C10N40/25
Domestic Patent References:
| JPS6035009A | 1985-02-22 | |||
| JP4558951B2 | 2010-10-06 | |||
| JP4427669B2 | 2010-03-10 | |||
| JP2002505362A | 2002-02-19 | |||
| JP2002528463A | 2002-09-03 |
Foreign References:
| WO2009012153A1 | 2009-01-22 | |||
| US20060281647A1 | 2006-12-14 |
Attorney, Agent or Firm:
Koichi Tsujii
Sadao Kumakura
Atsushi Hakoda
Kenji Asai
Kazuo Yamazaki
Satsuki Ichikawa
Sadao Kumakura
Atsushi Hakoda
Kenji Asai
Kazuo Yamazaki
Satsuki Ichikawa