Invention Grant
- Patent Title: Ethylene tetrafluoroethylene intermediates
- Patent Title (中): 乙烯四氟乙烯中间体
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Application No.: US12152312Application Date: 2008-05-14
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Publication No.: US08212064B2Publication Date: 2012-07-03
- Inventor: Weiming Qiu , Anilkumar Raghavanpillai , Michael Francis Vincent
- Applicant: Weiming Qiu , Anilkumar Raghavanpillai , Michael Francis Vincent
- Applicant Address: US DE Wilmington
- Assignee: E.I. du Pont de Nemours and Company
- Current Assignee: E.I. du Pont de Nemours and Company
- Current Assignee Address: US DE Wilmington
- Main IPC: C07C331/02
- IPC: C07C331/02 ; C07C19/16 ; C07C31/34 ; C07C213/00 ; C07C69/62
Abstract:
An oligomer of the formula (I): CnF2n+1(CH2)x[(CF2CF2)y(CH2CH2)z]mG (I) wherein G is an I; OH; OC(O)CH═CH2; OC(O)CCH3═CH2; OC(O)CCl═CH2; NR1H; N3; NCO; SQ wherein Q is H, alkyl, (CH2)nOH, (CH2)nNH2, (CH2)nOC(O)C(Me)=CH2, or (CH2)nNHC(O)C(Me)=CH2; SCN; COOH; SO3H; NHCOCH═CH2; NHCOC(CH3)═CH2); OC(O)NHCH2CH2OC(O)C(CH3)═CH2; or OC(O)NHCH2CH2OC(O)C(CH3)═CH2; subscript n is an integer from 1 to about 6, subscript x is an integer from 1 to about 6, subscripts y, z and m are each independently 1, 2 or 3, or a mixture thereof, the total number of carbons in said formula (I) excluding G ranges from about 8 to about 22, and a process for preparation thereof.
Public/Granted literature
- US20090287010A1 Ethylene-tetrafluoroethylene intermediates Public/Granted day:2009-11-19
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