JP2003505533A5 - - Google Patents

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Publication number
JP2003505533A5
JP2003505533A5 JP2001511133A JP2001511133A JP2003505533A5 JP 2003505533 A5 JP2003505533 A5 JP 2003505533A5 JP 2001511133 A JP2001511133 A JP 2001511133A JP 2001511133 A JP2001511133 A JP 2001511133A JP 2003505533 A5 JP2003505533 A5 JP 2003505533A5
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JP
Japan
Prior art keywords
composition
weight
oil
calcium
group
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2001511133A
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English (en)
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JP2003505533A (ja
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Priority claimed from US09/356,262 external-priority patent/US6333298B1/en
Application filed filed Critical
Publication of JP2003505533A publication Critical patent/JP2003505533A/ja
Publication of JP2003505533A5 publication Critical patent/JP2003505533A5/ja
Pending legal-status Critical Current

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Description

【特許請求の範囲】
【請求項1】 モリブデン添加剤を含有せず、NOACK揮発性が15重量%以下である、燃料エコノミー及び燃料エコノミー保持特性を改良した内燃機関用潤滑油組成物であって、
(a)少なくとも50重量%が鉱油である多割合のベースストックオイルであって、100℃における動粘度が4.0〜5.5mm2/sであり、95重量%以上の飽和物及び25重量%以下のナフテン類を含有し、粘度指数が少なくとも120であり、NOACK揮発性が15.5重量%以下である前記ベースストックオイル;
(b)本質的にカルシウムフェナート、カルシウムスルホネート又はカルシウムフェナートとカルシウムスルホネートとの混合物からなり、組成物中0.058〜0.58重量%のカルシウムを提供する量で存在する、清浄剤;及び
(c)0.02〜2.0重量%の油溶性有機摩擦改質剤;
を含有する前記潤滑油組成物。
【請求項2】 ベースストックオイルが、第III群ベースストック、又は第III群ベースストックと第I群、第II群又は第IV群ベースストックとのブレンドからなる群から選ばれる請求項1記載の組成物。
【請求項3】 ベースストックオイルがポリ-α-オレフィン合成ベースストックである請求項1記載の組成物。
【請求項4】 さらに、組成物中0.1重量%までの量のリンを提供する量で存在するジアルキルジチオリン酸亜鉛を含有する請求項1記載の組成物。
【請求項5】 カルシウム清浄剤が過塩基化されている請求項1記載の組成物。
【請求項6】 ジアルキルジチオリン酸亜鉛が少なくとも50重量%の二級アルキル基を有する請求項4記載の組成物。
【請求項7】 カルシウム清浄剤がスルホネートである請求項5記載の組成物。
【請求項8】 前記組成物がさらに、無灰分散剤、他の金属清浄剤、腐食抑制剤、追加の酸化防止剤、流動点降下剤、消泡剤、追加の耐磨耗剤、他の摩擦改質剤及び粘度改質剤からなる群から選ばれる一以上の潤滑油添加剤を、各添加剤が通常の添加機能を提供する量で含有する請求項1記載の組成物。
【請求項9】 摩擦改質剤が窒素を含有する請求項1記載の組成物。
【請求項10】 摩擦改質剤がエトキシル化アミンである請求項9記載の組成物。
【請求項11】 成分を混合することにより製造される請求項1記載の組成物。
JP2001511133A 1999-07-16 2000-07-10 モリブデンを含有しない低揮発性潤滑油組成物 Pending JP2003505533A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/356,262 US6333298B1 (en) 1999-07-16 1999-07-16 Molybdenum-free low volatility lubricating oil composition
US09/356,262 1999-07-16
PCT/EP2000/006615 WO2001005917A1 (en) 1999-07-16 2000-07-10 Molybdenum-free low volatility lubricating oil composition

Publications (2)

Publication Number Publication Date
JP2003505533A JP2003505533A (ja) 2003-02-12
JP2003505533A5 true JP2003505533A5 (ja) 2007-08-30

Family

ID=23400765

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001511133A Pending JP2003505533A (ja) 1999-07-16 2000-07-10 モリブデンを含有しない低揮発性潤滑油組成物

Country Status (5)

Country Link
US (2) US6333298B1 (ja)
EP (1) EP1200542B1 (ja)
JP (1) JP2003505533A (ja)
CA (1) CA2379492C (ja)
WO (1) WO2001005917A1 (ja)

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