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특허 상세정보

Carboxylic acid derivatives of alkanol tertiary monoamines and lubricants or functional fluids containing the same

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C10M-001/32    C07C-069/593   
미국특허분류(USC) 252/347 ; 252/34 ; 252/493 ; 252/515 ; A
출원번호 US-0946294 (1978-09-27)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 41  인용 특허 : 6
초록

Nitrogen-containing phosphorus-free carboxylic acid derivatives made by reaction of an acylating agent with an alkanol tertiary monoamine are described. Typically the carboxylic acylating agent is an alkyl or alkenyl succinic anhydride containing about 20 to about 500 carbon atoms in the alkyl or alkenyl group. A typical amine is diethyl ethanol amine. These derivatives are useful in incorporating oil-soluble, water-insoluble functional additives, such as metal salts of acid phosphate and thiophosphate hydrocarbyl esters, into water-based functional flui...

대표
청구항

A nitrogen-containing, phosphorus-free carboxylic acid derivative made by reaction of a mixture consisting essentially of: (A) at least one carboxylic acid acylating agent having at least one hydrocarbyl-based substituent of about 50 to about 500 carbon atoms; (B) at least one alkanol tertiary monoamine having the formula [Figure] wherein each R is a lower alkyl group and R′is an alkylene group of two to about eighteen carbon atoms; and (D) at least one other alkanol amine having the formula R1R2N-R3-OH, wherein R1 and R2 are each hydrogen, alkyl, alkeny...

이 특허를 인용한 특허 피인용횟수: 41

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