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Patent Searching and Data


Title:
ORGANIC PHOSPHORUS COMPOUND, PREPARATION METHOD THEREFOR, AND USES THEREOF
Document Type and Number:
WIPO Patent Application WO/2020/078368
Kind Code:
A1
Abstract:
An organic phosphorus compound, a preparation method therefor, and the uses thereof. The organic phosphorus compound exhibits significant bearing capacity, and excellent antiwear and wear reduction properties, while being an EP antiwear agent used in lubricating oil and grease.

Inventors:
CHEN XIAOWEI (CN)
WEI KECHENG (CN)
Application Number:
PCT/CN2019/111407
Publication Date:
April 23, 2020
Filing Date:
October 16, 2019
Export Citation:
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Assignee:
CHINA PETROLEUM & CHEM CORP (CN)
SINOPEC RES INST PETROLEUM (CN)
International Classes:
C07D333/00; C07D333/16; C07D333/24; C10M135/04; C10M137/04
Foreign References:
GB1070314A1967-06-01
US2385713A1945-09-25
JPH0827170A1996-01-30
US3239464A1966-03-08
US4144247A1979-03-13
CN106317109A2017-01-11
CN102260572A2011-11-30
CN101724492A2010-06-09
Other References:
MITSUAKI WATANABE ET AL.: "Facile Synthesis of Benzo[b]furan Derivatives Including Naturally Occurring Neolignans via Regioselective Lithiation of ortho-Cresols Using the Bis(dimethylamino)phosphoryl Group as a Directing Group", CHEM. PHARM. BULL., vol. 39, 31 January 1991 (1991-01-31), pages 41 - 48, XP055702853
See also references of EP 3868744A4
Attorney, Agent or Firm:
CHINA PATENT AGENT (H.K.) LTD. (CN)
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