Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
96 words
A 2,2-difluoropropionic acid derivative of the formula: XCH.sub.2 CF.sub.2 COY wherein X is bromine, iodine, a group of the formula: R.sub.1 O-- or R.sub.2 COO-- wherein R 1 and R 2 are each an aliphatic or halogenated aliphatic hydrocarbon group having 1 to 8 carbon atoms or an aromatic hydrocarbon group selected from the group consisting of phenyl, toluyl, trifluoromethylphenyl, chlorophenyl, and bromophenyl, or a group of the formula: X'CH.sub.2 CF.sub.2 CF.sub.2 O-- wherein X' is fluorine, chlorine, bromine, iodine, the group of the formula: R 1 O-- and R 2 COO--; and Y is fluorine.
Claim 2
Dependent Claim
96 words
A 2,2-difluoropropionic acid derivative of the formula: XCH.sub.2 CF.sub.2 COY wherein X is bromine, iodine, a group of the formula: R.sub.1 O-- or R.sub.2 COO-- wherein R 1 and R 2 are each an aliphatic or halogenated aliphatic hydrocarbon group having 1 to 8 carbon atoms or an aromatic hydrocarbon group selected from the group consisting of phenyl, toluyl, trifluoromethylphenyl, chlorophenyl, and bromophenyl, or a group of the formula: X'CH.sub.2 CF.sub.2 CF.sub.2 O-- wherein X' is fluorine, chlorine, bromine, iodine, the group of the formula: R 1 O-- and R 2 COO--; and Y is fluorine.
Claim 3
Dependent Claim
18 words
A derivative according to claim 1, wherein X is selected from the group consisting of bromine and iodine.
Claim 4
Dependent Claim
21 words
A derivative according to claim 1, wherein X is the group of the formula: R.sub.1 O-- (II) or R.sub.2 COO-- (III).
Claim 5
Dependent Claim
19 words
A derivative according to claim 1, wherein X is a group of the formula: X'CH.sub.2 CF.sub.2 CF.sub.2 O-- (IV).
Claim 6
Dependent Claim
147 words
A 2,2-difluoropropionic acid derivative of the formula: XCH.sub.2 CF.sub.2 COY wherein X is X'CH 2 CF 2 CF 2 O-- wherein X' is fluorine, chlorine, bromine, iodine, the group of the formula: R 1 O-- or R 2 COO--, wherein R 1 and R 2 are each an aliphatic or halogenated aliphatic hydrocarbon group having 1 to 8 carbon atoms or an aromatic hydrocarbon group selected from the group consisting of phenyl, toluyl, trifluoromethylphenyl, chlorophenyl, and bromophenyl, and Y is fluorine or a group of the formula: --OR.sub.3 wherein R 3 is an aliphatic or halogenated aliphatic hydrocarbon group having 1 to 8 carbon atoms, except a perfluorohydrocarbon group, or an aromatic hydrocarbon group selected from the group consisting of phenyl, toluyl, trifluoromethylphenyl, chlorophenyl, and bromophenyl, or a group of the formula: --OCH.sub.2 R.sub.f wherein R f is an aliphatic perfluorohydrocarbon having 1 to 7 carbon atoms.
Claim 7
Dependent Claim
147 words
A 2,2-difluoropropionic acid derivative of the formula: XCH.sub.2 CF.sub.2 COY wherein X is X'CH 2 CF 2 CF 2 O-- wherein X' is fluorine, chlorine, bromine, iodine, the group of the formula: R 1 O-- or R 2 COO--, wherein R 1 and R 2 are each an aliphatic or halogenated aliphatic hydrocarbon group having 1 to 8 carbon atoms or an aromatic hydrocarbon group selected from the group consisting of phenyl, toluyl, trifluoromethylphenyl, chlorophenyl, and bromophenyl, and Y is fluorine or a group of the formula: --OR.sub.3 wherein R 3 is an aliphatic or halogenated aliphatic hydrocarbon group having 1 to 8 carbon atoms, except a perfluorohydrocarbon group, or an aromatic hydrocarbon group selected from the group consisting of phenyl, toluyl, trifluoromethylphenyl, chlorophenyl, and bromophenyl, or a group of the formula: --OCH.sub.2 R.sub.f wherein R f is an aliphatic perfluorohydrocarbon having 1 to 7 carbon atoms.
Claim 8
Dependent Claim
10 words
A derivative according to claim 5, wherein Y is fluorine.
Claim 9
Dependent Claim
17 words
A derivative according to claim 5, wherein Y is --OR 3 or --OCH 2 R f .