DE69320973T2 - Multifunctional viscosity index improvers - Google Patents

Multifunctional viscosity index improvers

Info

Publication number
DE69320973T2
DE69320973T2 DE1993620973 DE69320973T DE69320973T2 DE 69320973 T2 DE69320973 T2 DE 69320973T2 DE 1993620973 DE1993620973 DE 1993620973 DE 69320973 T DE69320973 T DE 69320973T DE 69320973 T2 DE69320973 T2 DE 69320973T2
Authority
DE
Germany
Prior art keywords
viscosity index
index improvers
multifunctional viscosity
multifunctional
improvers
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 - Fee Related
Application number
DE1993620973
Other languages
German (de)
Other versions
DE69320973D1 (en
Inventor
Maria Magdalena Kapuscinski
Benjamin Joseph Kaufman
Theodore Eugene Nalesnik
Robert Thomas Biggs
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.)
DSM Copolymer Inc
Original Assignee
DSM Copolymer Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by DSM Copolymer Inc filed Critical DSM Copolymer Inc
Priority claimed from EP93310501A external-priority patent/EP0659772B1/en
Publication of DE69320973D1 publication Critical patent/DE69320973D1/en
Application granted granted Critical
Publication of DE69320973T2 publication Critical patent/DE69320973T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

DE1993620973 1993-12-23 1993-12-23 Multifunctional viscosity index improvers Expired - Fee Related DE69320973T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP93310501A EP0659772B1 (en) 1990-08-24 1993-12-23 Multifunctional viscosity index improvers

Publications (2)

Publication Number Publication Date
DE69320973D1 DE69320973D1 (en) 1998-10-15
DE69320973T2 true DE69320973T2 (en) 1999-05-12

Family

ID=8214651

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1993620973 Expired - Fee Related DE69320973T2 (en) 1993-12-23 1993-12-23 Multifunctional viscosity index improvers

Country Status (1)

Country Link
DE (1) DE69320973T2 (en)

Also Published As

Publication number Publication date
DE69320973D1 (en) 1998-10-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee