DE69802148D1 - Verbessertes Antioxidantsystem für Schmierstoff-Grundöle - Google Patents

Verbessertes Antioxidantsystem für Schmierstoff-Grundöle

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Publication number
DE69802148D1
DE69802148D1 DE69802148T DE69802148T DE69802148D1 DE 69802148 D1 DE69802148 D1 DE 69802148D1 DE 69802148 T DE69802148 T DE 69802148T DE 69802148 T DE69802148 T DE 69802148T DE 69802148 D1 DE69802148 D1 DE 69802148D1
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Germany
Prior art keywords
base oils
lubricant base
antioxidant system
improved antioxidant
improved
Prior art date
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.)
Expired - Lifetime
Application number
DE69802148T
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English (en)
Other versions
DE69802148T2 (de
Inventor
Vincent James Gatto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ethyl Corp
Original Assignee
Ethyl Corp
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Filing date
Publication date
Application filed by Ethyl Corp filed Critical Ethyl Corp
Application granted granted Critical
Publication of DE69802148D1 publication Critical patent/DE69802148D1/de
Publication of DE69802148T2 publication Critical patent/DE69802148T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
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  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Lubricants (AREA)
DE69802148T 1997-07-17 1998-07-07 Verbessertes Antioxidantsystem für Schmierstoff-Grundöle Expired - Lifetime DE69802148T2 (de)

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US08/896,045 US5840672A (en) 1997-07-17 1997-07-17 Antioxidant system for lubrication base oils

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EP (1) EP0892037B1 (de)
JP (2) JP3135229B2 (de)
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CA (1) CA2240973C (de)
DE (2) DE892037T1 (de)
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CN1206041A (zh) 1999-01-27
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CA2240973A1 (en) 1999-01-17
DE892037T1 (de) 1999-08-19
JP3135229B2 (ja) 2001-02-13
DE69802148T2 (de) 2002-06-20
JPH11228981A (ja) 1999-08-24
CA2240973C (en) 1999-08-03
EP0892037A1 (de) 1999-01-20
US5840672A (en) 1998-11-24
JP3812637B2 (ja) 2006-08-23
CN1065267C (zh) 2001-05-02
SG64492A1 (en) 1999-04-27

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