PFPEs having at least an alkylether end group and respective...

Details PFPEs having at least an alkylether end group and respective... PFPEs having at least an alkylether end group and respective...

2006-10-03

2006-10-03

Keys, Rosalynd (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

Reexamination Certificate

active

07115783

ABSTRACT:
Perfluoropolyethers having structural formulain-line-formulae description="In-line Formulae" end="lead"?R1O—(CF2O)n—(CF2CF2O)mR2  (I)in-line-formulae description="In-line Formulae" end="tail"?wherein:R1is —CH3or —C2H5; R2is equal to R1or —CF2Hn is integer from 1 to 100; m is an integer from 1 to 100 or, when R2is —CF2H, in can also be0;the oxyfluoro-alkylene units —(CF2CF2O)— and —(CF2O)— are statistically distributed along the polymer chain.

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