| PATENT ASSIGNEE'S COUNTRY | Italy |
| UPDATE | 08.00 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
Compn for removing water from a surface, said compn having a specific wt. > than that of water, & comprising - Perfluoropolyether or fluoropolyether having a number av MW = 300-1500 & - Non ionic additive with structure T-O-Rf(CFY)-L; T = CF3, C2F5, C3F7, ClF2C-CF(CF3)-, CF3 CFCl-CF2-, ClF2C-CF2- or ClF2C-; Rf = Fluoropolyether radi cal contg chain of randomly distributed repeat units selec ted from (CF2CF2O), (CFYO) wherein Y = CF3, F & L = CH2-O-CH2CH2(OCH2CH2)nOH; n is such that K = (T-O-Rf-CFY)/Hydrogenated moiety = 1.5-3.5 |
| PATENT PHOTOCOPY | Available on request |
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