Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
249 words
Compounds having the formula: (I) RO--(C 3 F 6 O) m --(CFXO) n --CFX--L; or (II) R"CFXO--(C 3 F 6 O) x (CFXO) y --(C 2 F 4 O) z --CFX--L, the oxyalkylene groups being randomly distributed in the perfluoropolyether chain where: R=--CF 3 , --C 2 F 5 , --C 3 F 7 X=F, --CF 3 R"=F, --CF 3 , --C 2 F 5 and when x=O, --L m=an integer from 3 to 100 n=a finite integer, or =0, and m+n is from 3 to 100, provided that, if n is finite, m/n ranges from 5 to 20 and R is =CF 3 , and if n=zero it is --C 2 F 5 , --C 3 F 7 x=a finite integer, or=zero y,z=finite integers, such that x+y+z ranges from 5 to 200, while (x+y)/y ranges from 5 to 0.5, provided that when x=zero, z/y ranges from 1 to 0.5, and y+z ranges from 5 to 200, while X is F L=a group Y--Z, where Y=--CH 2 O--, CH 2 OCH 2 --, --CF 2 --, --CF 2 O-- Z=an organic, non-aromatic, non-fluorinated radical free from active hydrogen atoms, containing two or more electron-doublets-donor heteroatoms and capable of giving rise to coordinative bonds or to charge transfer bonds, thus causing adsorption phenomena of various kinds on metal, polymeric or ceramic surfaces, said heteroatoms being selected from the group consisting of O and S, one heteroatom being in position 1-3 or 1-4 or 1-5 with respect to the other heteroatom.
Claim 2
Dependent Claim
249 words
Compounds having the formula: (I) RO--(C 3 F 6 O) m --(CFXO) n --CFX--L; or (II) R"CFXO--(C 3 F 6 O) x (CFXO) y --(C 2 F 4 O) z --CFX--L, the oxyalkylene groups being randomly distributed in the perfluoropolyether chain where: R=--CF 3 , --C 2 F 5 , --C 3 F 7 X=F, --CF 3 R"=F, --CF 3 , --C 2 F 5 and when x=O, --L m=an integer from 3 to 100 n=a finite integer, or =0, and m+n is from 3 to 100, provided that, if n is finite, m/n ranges from 5 to 20 and R is =CF 3 , and if n=zero it is --C 2 F 5 , --C 3 F 7 x=a finite integer, or=zero y,z=finite integers, such that x+y+z ranges from 5 to 200, while (x+y)/y ranges from 5 to 0.5, provided that when x=zero, z/y ranges from 1 to 0.5, and y+z ranges from 5 to 200, while X is F L=a group Y--Z, where Y=--CH 2 O--, CH 2 OCH 2 --, --CF 2 --, --CF 2 O-- Z=an organic, non-aromatic, non-fluorinated radical free from active hydrogen atoms, containing two or more electron-doublets-donor heteroatoms and capable of giving rise to coordinative bonds or to charge transfer bonds, thus causing adsorption phenomena of various kinds on metal, polymeric or ceramic surfaces, said heteroatoms being selected from the group consisting of O and S, one heteroatom being in position 1-3 or 1-4 or 1-5 with respect to the other heteroatom.
Claim 3
Dependent Claim
56 words
The compounds according to claim 1, in which the radical Z has the formula: ##STR7## where B is an atom of oxygen or of sulphur, E is an alkyl radical containing from 1 to 3 carbon atoms, R 1 is hydrogen or alkyl containing from 1 to 3 carbon atoms, and q is 2 or 3.
Claim 4
Dependent Claim
45 words
The compounds according to claim 1, in which the radical Z is a radical of one of the following formulas: ##STR8## where B is an atom of oxygen or of sulphur, and R 1 is hydrogen or alkyl containing from 1 to 3 carbon atoms.
Claim 5
Dependent Claim
42 words
The compounds according to claim 1, in which the radical Z has the formula ##STR9## where E is an alkyl radical containing from 1 to 3 carbon atoms and R 1 is hydrogen or alkyl containing from 1 to 3 carbon atoms.
Claim 6
Dependent Claim
50 words
The compounds according to claim 1, in which the radical Z has the formula ##STR10## where R 1 is hydrogen or alkyl containing from 1 to 3 carbon atoms, B is an atom of oxygen or sulphur, and E is an alkyl radical containing from 1 to 3 carbon atoms.