Patents Assigned to AO "Avtokoninvest"
  • Patent number: 5606098
    Abstract: Amides and esters of perfluoropolyoxaalkylene-sulfo- or perfluoropolyoxaalkylene-carboxylic acids of the general following formula:R.sub.F R.sub.F.sup.I ZQ, whereR.sub.F =CF.sub.3 O--, C.sub.2 F.sub.5 O--, C.sub.3 F.sub.7 O--, C.sub.8 F.sub.17 O--,R.sub.F.sup.I= ##STR1## --(CF.sub.2 CF.sub.2 O--).sub.n CF.sub.2 --, --(CF.sub.2 CF.sub.2 CF.sub.2 O).sub.n CF.sub.2 CF.sub.2 --,where n=8-55;Z=--CO--, --SO.sub.2 --,Q=--N(C.sub.m H.sub.2m OH).sub.2, where m=2, 3, 4, 6, 8, 10--N[(C.sub.2 H.sub.4 O).sub.4 C.sub.3 H.sub.6 OH].sub.2,--NH--C.sub.2 H.sub.4 OR.sub..eta., where R.eta.=CH.sub.3 --, C.sub.2 H.sub.5 --, C.sub.3 H.sub.7 --,--NH(C.sub.2 H.sub.4 O).sub.5 H,--OC.sub.1 H.sub.21 N(C.sub.1 H.sub.21 OH).sub.2, where .eta.=1, 2, 4C.sub.k H.sub.2k+1 O--, where k=6, 8, 10.
    Type: Grant
    Filed: October 3, 1995
    Date of Patent: February 25, 1997
    Assignee: AO "Avtokoninvest"
    Inventors: Nikolai A. Ryabinin, Aleksandr N. Ryabinin