Title:
GREASE COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2023/182533
Kind Code:
A1
Abstract:
The present invention relates to a grease composition that contains a base oil, a thickener, and additives, the base oil being at least one type of base oil selected from the group that consists of polyoxyalkylenes, ether derivatives of polyoxyalkylenes, and mixtures of polyoxyalkylenes and ether derivatives of polyoxyalkylenes, and the additives including a first solid lubricant that is a polytetrafluoroethylene and a second solid lubricant that is at least one type of solid lubricant selected from the group that consists of calcium carbonate, calcium oxide, tricalcium phosphate, and calcium salts of fatty acids, the second solid lubricant content being at least 0.5 mass% of the total mass of the composition.
Inventors:
NAGASAWA YOSHIYUKI (JP)
NAKAYAMA CHIEMI (JP)
TSUTSUI DAISUKE (JP)
NAKAYAMA CHIEMI (JP)
TSUTSUI DAISUKE (JP)
Application Number:
PCT/JP2023/012238
Publication Date:
September 28, 2023
Filing Date:
March 27, 2023
Export Citation:
Assignee:
KYODO YUSHI (JP)
International Classes:
C10M169/04; C10M107/34; C10M125/10; C10M125/24; C10M129/28; C10M147/02; C10N10/04; C10N30/00; C10N30/06; C10N40/02; C10N40/04; C10N50/10
Domestic Patent References:
| WO2018101432A1 | 2018-06-07 | |||
| WO2020026915A1 | 2020-02-06 |
Foreign References:
| JP2018016686A | 2018-02-01 | |||
| JP2009191173A | 2009-08-27 | |||
| JP2015137294A | 2015-07-30 | |||
| JP2009227958A | 2009-10-08 | |||
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| JP2017171717A | 2017-09-28 | |||
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| JP2017019987A | 2017-01-26 | |||
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| JP2007231207A | 2007-09-13 |
Attorney, Agent or Firm:
TANAKA Shinichiro et al. (JP)
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