【発明の名称】分散剤・抗酸化剤オレフィン共重合体の濃色化を抑制する方法

Title:

【発明の名称】分散剤・抗酸化剤オレフィン共重合体の濃色化を抑制する方法

Document Type and Number:

Japanese Patent JP3320094

Kind Code:

B2

Abstract:

A method of retarding the darkening effect of a unreacted, excess antioxidant amine in a DAOCP comprising: (a) reacting an organic compound with a finished DAOCP containing an unreacted excess antioxidant amine to form therewith an adduct product; and (b) recovering the DAOCP containing the formed adduct product, whereby the darkening of the DAOCP is retarded. a

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Inventors:

Theodor Eugene Nareznik

Application Number:

JP12794292A

Publication Date:

September 03, 2002

Filing Date:

April 22, 1992

Export Citation:

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Assignee:

Ethyl Additives Corporation

International Classes:

C08F8/00; C08K5/17; C08L23/00; C08J3/20; C10M133/52; C10M145/16; C10M149/06; C10M149/10; (IPC1-7): C08J3/20; C08K5/17; C08L23/00

Other References:

【文献】米国特許4863623(US,A)
【文献】米国特許4137185(US,A)
【文献】米国特許3301783(US,A)

Attorney, Agent or Firm:

Hajime Tsukuni (1 person outside)

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