Claims Analysis
Total Claims: 81
Claim 1
Independent Claim
87 words
A compound of the formula ##STR28## wherein A is hydrogen, hydroxy, methyl or methoxy, R 1 is hydrogen, sodium or potassium, R 2 is a member selected from the group consisting of 2-furan-5-sulfonic acid, phenyl-2-sulfonic acid, 4-methoxyphenyl-3-sulfonic acid, 4-hydroxyphenyl-3-sulfonic acid, 2-carboxymethoxyphenyl, 4-carboxymethoxyphenyl, 3-hydroxy-4-carboxyphenyl, 4-(2'-carboxy)vinylphenyl, 2-carboxyphenyl and 3-carboxyphenyl in the form of its sodium or potassium salt, and R 3 is tetrazol-5-yl, 1,2,4-thiadiazol-5-yl, 1,3,4-thiadiazol-2-yl, 1,3,4-oxadiazol-3-yl or 1,2,4-triazol-5-yl, each of such groups being unsubstituted or substituted with one or two lower alkly groups of one to four carbon atoms.
Claim 2
Dependent Claim
87 words
A compound of the formula ##STR28## wherein A is hydrogen, hydroxy, methyl or methoxy, R 1 is hydrogen, sodium or potassium, R 2 is a member selected from the group consisting of 2-furan-5-sulfonic acid, phenyl-2-sulfonic acid, 4-methoxyphenyl-3-sulfonic acid, 4-hydroxyphenyl-3-sulfonic acid, 2-carboxymethoxyphenyl, 4-carboxymethoxyphenyl, 3-hydroxy-4-carboxyphenyl, 4-(2'-carboxy)vinylphenyl, 2-carboxyphenyl and 3-carboxyphenyl in the form of its sodium or potassium salt, and R 3 is tetrazol-5-yl, 1,2,4-thiadiazol-5-yl, 1,3,4-thiadiazol-2-yl, 1,3,4-oxadiazol-3-yl or 1,2,4-triazol-5-yl, each of such groups being unsubstituted or substituted with one or two lower alkly groups of one to four carbon atoms.
Claim 3
Dependent Claim
11 words
A compund of claim 1 wherein R 2 is 2-furan-5-sulfonic acid.
Claim 4
Dependent Claim
11 words
A compound of claim 1 wherein R 2 is phenyl-2-sulfonic acid.
Claim 5
Dependent Claim
11 words
A compound of claim 1 wherein R 2 is 4-methoxyphenyl-3-sulfonic acid.
Claim 6
Dependent Claim
11 words
A compound of claim 1 wherein R 2 is 4-hydroxyphenyl-3-sulfonic acid.
Claim 7
Dependent Claim
10 words
A compound of claim 1 wherein R 2 is 2-carboxymethoxyphenyl.
Claim 8
Dependent Claim
10 words
A compound of claim 1 wherein R 2 is 4-carboxymethoxyphenyl.
Claim 9
Dependent Claim
10 words
A compound of claim 1 wherein R 2 is 3-hydroxy-4-carboxyphenyl.
Claim 10
Dependent Claim
10 words
A compound of claim 1 wherein R 2 is 4-(2'-carboxy)vinylphenyl.
Claim 11
Dependent Claim
10 words
A compound of claim 1 wherein R 2 is 2-carboxyphenyl.
Claim 12
Dependent Claim
10 words
A compound of claim 1 wherein R 2 is 3-carboxyphenyl.
Claim 13
Dependent Claim
57 words
A compound of the formula ##STR29## wherein A is hydrogen, hydroxy, methyl or methoxy, R 1 is hydrogen, sodium or potassium, and R 2 is a member selected from the group consisting of 2-furan-5-sulfonic acid, phenyl-2-sulfonic acid, 4-methoxyphenyl-3-sulfonic acid, 4-hydroxyphenyl-3-sulfonic acid, 2-carboxymethoxyphenyl, 4-carboxymethoxyphenyl, 3-hydroxy-4-carboxyphenyl, 4-(2'-carboxy)vinylphenyl, 2-carboxyphenyl and 3-carboxyphenyl in the form of its sodium or potassium salt.
Claim 14
Dependent Claim
57 words
A compound of the formula ##STR29## wherein A is hydrogen, hydroxy, methyl or methoxy, R 1 is hydrogen, sodium or potassium, and R 2 is a member selected from the group consisting of 2-furan-5-sulfonic acid, phenyl-2-sulfonic acid, 4-methoxyphenyl-3-sulfonic acid, 4-hydroxyphenyl-3-sulfonic acid, 2-carboxymethoxyphenyl, 4-carboxymethoxyphenyl, 3-hydroxy-4-carboxyphenyl, 4-(2'-carboxy)vinylphenyl, 2-carboxyphenyl and 3-carboxyphenyl in the form of its sodium or potassium salt.
Claim 15
Dependent Claim
11 words
A compound of claim 12 wherein R 2 is 2-furan-5-sulfonic acid.
Claim 16
Dependent Claim
11 words
A compound of claim 12 wherein R 2 is phenyl-2-sulfonic acid.
Claim 17
Dependent Claim
11 words
A compound of claim 12 wherein R 2 is 4-methoxyphenyl-3-sulfonic acid.
Claim 18
Dependent Claim
11 words
A compound of claim 12 wherein R 2 is 4-hydroxyphenyl-3-sulfonic acid.
Claim 19
Dependent Claim
10 words
A compound of claim 12 wherein R 2 is 2-carboxymethoxyphenyl.
Claim 20
Dependent Claim
10 words
A compound of claim 12 wherein R 2 is 4-carboxymethoxyphenyl.
Claim 21
Dependent Claim
10 words
A compound of claim 12 wherein R 2 is 3-hydroxy-4-carboxyphenyl.
Claim 22
Dependent Claim
10 words
A compound of claim 12 wherein R 2 is 4-(2'-carboxy)vinylphenyl.
Claim 23
Dependent Claim
10 words
A compound of claim 12 wherein R 2 is 2-carboxyphenyl.
Claim 24
Dependent Claim
10 words
A compound of claim 12 wherein R 2 is 3-carboxyphenyl.
Claim 25
Dependent Claim
15 words
A compound of the formula ##STR30## wherein R 1 is hydrogen, sodium or potassium, and
Claim 26
Dependent Claim
15 words
A compound of the formula ##STR30## wherein R 1 is hydrogen, sodium or potassium, and
Claim 27
Dependent Claim
35 words
R 2 is a member selected from the group consisting of 2-furan-5-sulfonic acid, phenyl-2-sulfonic acid, 4-methoxyphenyl-3-sulfonic acid, 4-hydroxyphenyl-3-sulfonic acid, 2-carboxymethoxyphenyl, 4-carboxymethoxyphenyl, 3-hydroxy-4-carboxyphenyl, 4-(2'-carboxy)vinylphenyl, 2-carboxyphenyl and 3-carboxyphenyl in the form of its sodium or potassium salt.
Claim 28
Dependent Claim
35 words
R 2 is a member selected from the group consisting of 2-furan-5-sulfonic acid, phenyl-2-sulfonic acid, 4-methoxyphenyl-3-sulfonic acid, 4-hydroxyphenyl-3-sulfonic acid, 2-carboxymethoxyphenyl, 4-carboxymethoxyphenyl, 3-hydroxy-4-carboxyphenyl, 4-(2'-carboxy)vinylphenyl, 2-carboxyphenyl and 3-carboxyphenyl in the form of its sodium or potassium salt.
Claim 29
Dependent Claim
11 words
A compound of claim 23 wherein R 2 is 2-furan-5-sulfonic acid.
Claim 30
Dependent Claim
11 words
A compound of claim 23 wherein R 2 is phenyl-2-sulfonic acid.
Claim 31
Dependent Claim
11 words
A compound of claim 23 wherein R 2 is 4-methoxyphenyl-3-sulfonic acid.
Claim 32
Dependent Claim
11 words
A compound of claim 23 wherein R 2 is 4-hydroxyphenyl-3-sulfonic acid.
Claim 33
Dependent Claim
10 words
A compound of claim 23 wherein R 2 is 2-carboxymethoxyphenyl.
Claim 34
Dependent Claim
10 words
A compound of claim 23 wherein R 2 is 4-carboxymethoxyphenyl.
Claim 35
Dependent Claim
10 words
A compound of claim 23 wherein R 2 is 3-hydroxy-4-carboxyphenyl.
Claim 36
Dependent Claim
10 words
A compound of claim 23 wherein R 2 is 4-(2'-carboxy)vinylphenyl.
Claim 37
Dependent Claim
10 words
A compound of claim 23 wherein R 2 is 2-carboxyphenyl.
Claim 38
Dependent Claim
10 words
A compound of claim 23 wherein R 2 is 3-carboxyphenyl.
Claim 39
Dependent Claim
14 words
The compound of claim 24 having the D configuration wherein R 1 is sodium.
Claim 40
Dependent Claim
14 words
The compound of claim 24 having the D configuration wherein R 1 is potassium.
Claim 41
Dependent Claim
14 words
The compound of claim 24 having the D configuration wherein R 1 is hydrogen.
Claim 42
Dependent Claim
57 words
A compound of the formula ##STR31## wherein A is hydrogen, hydroxy, methyl or methoxy, R 1 is hydrogen, sodium or potassium, and R 2 is a member selected from the group consisting of 2-furan-5-sulfonic acid, phenyl-2-sulfonic acid, 4-methoxyphenyl-3-sulfonic acid, 4-hydroxyphenyl-3-sulfonic acid, 2-carboxymethoxyphenyl, 4-carboxymethoxyphenyl, 3-hydroxy-4-carboxyphenyl, 4-(2'-carboxy)vinylphenyl, 2-carboxyphenyl and 3-carboxyphenyl in the form of its sodium or potassium salt.
Claim 43
Dependent Claim
57 words
A compound of the formula ##STR31## wherein A is hydrogen, hydroxy, methyl or methoxy, R 1 is hydrogen, sodium or potassium, and R 2 is a member selected from the group consisting of 2-furan-5-sulfonic acid, phenyl-2-sulfonic acid, 4-methoxyphenyl-3-sulfonic acid, 4-hydroxyphenyl-3-sulfonic acid, 2-carboxymethoxyphenyl, 4-carboxymethoxyphenyl, 3-hydroxy-4-carboxyphenyl, 4-(2'-carboxy)vinylphenyl, 2-carboxyphenyl and 3-carboxyphenyl in the form of its sodium or potassium salt.
Claim 44
Dependent Claim
11 words
A compound of claim 37 wherein R 2 is 2-furan-5-sulfonic acid.
Claim 45
Dependent Claim
53 words
A compound of claim 37 of the formula ##STR32## wherein R 1 is hydrogen, sodium or potassium, and R 2 is a member selected from the group consisting of 2-furan-5-sulfonic acid, phenyl-2-sulfonic acid, 4-methoxyphenyl-3-sulfonic acid, 4-hydroxyphenyl-3-sulfonic acid, 2-carboxymethoxyphenyl, 4-carboxymethoxyphenyl, 3-hydroxy-4-carboxyphenyl, 4-(2'-carboxy)vinylphenyl, 2-carboxyphenyl and 3-carboxyphenyl in the form of its sodium or potassium salt.
Claim 46
Dependent Claim
11 words
A compound of claim 39 wherein R 2 is 2-furan-5-sulfonic acid.
Claim 47
Dependent Claim
14 words
The compound of claim 40 having the D configuration wherein R 1 is sodium.
Claim 48
Dependent Claim
14 words
The compound of claim 40 having the D configuration wherein R 1 is potassium.
Claim 49
Dependent Claim
14 words
The compound of claim 40 having the D configuration wherein R 1 is hydrogen.
Claim 50
Dependent Claim
57 words
A compound of the formula ##STR33## wherein A is hydrogen, hydroxy, methyl or methoxy, R 1 is hydrogen, sodium or potassium, and R 2 is a member selected from the group consisting of 2-furan-5-sulfonic acid, phenyl-2-sulfonic acid, 4-methoxyphenyl-3-sulfonic acid, 4-hydroxyphenyl-3-sulfonic acid, 2-carboxymethoxyphenyl, 4-carboxymethoxyphenyl, 3-hydroxy-4-carboxyphenyl, 4-(2'-carboxy)vinylphenyl, 2-carboxyphenyl and 3-carboxyphenyl in the form of its sodium or potassium salt.
Claim 51
Dependent Claim
57 words
A compound of the formula ##STR33## wherein A is hydrogen, hydroxy, methyl or methoxy, R 1 is hydrogen, sodium or potassium, and R 2 is a member selected from the group consisting of 2-furan-5-sulfonic acid, phenyl-2-sulfonic acid, 4-methoxyphenyl-3-sulfonic acid, 4-hydroxyphenyl-3-sulfonic acid, 2-carboxymethoxyphenyl, 4-carboxymethoxyphenyl, 3-hydroxy-4-carboxyphenyl, 4-(2'-carboxy)vinylphenyl, 2-carboxyphenyl and 3-carboxyphenyl in the form of its sodium or potassium salt.
Claim 52
Dependent Claim
11 words
A compound of claim 44 wherein R 2 is 2-furan-5-sulfonic acid.
Claim 53
Dependent Claim
53 words
A compound of claim 44 of the formula ##STR34## wherein R 1 is hydrogen, sodium or potassium, and R 2 is a member selected from the group consisting of 2-furan-5-sulfonic acid, phenyl-2-sulfonic acid, 4-methoxyphenyl-3-sulfonic acid, 4-hydroxyphenyl-3-sulfonic acid, 2-carboxymethoxyphenyl, 4-carboxymethoxyphenyl, 3-hydroxy-4-carboxyphenyl, 4-(2'-carboxy)vinylphenyl, 2-carboxyphenyl and 3-carboxyphenyl in the form of its sodium or potassium salt.
Claim 54
Dependent Claim
11 words
A compound of claim 46 wherein R 2 is 2-furan-5-sulfonic acid.
Claim 55
Dependent Claim
14 words
The compound of claim 47 having the D configuration wherein R 1 is sodium.
Claim 56
Dependent Claim
14 words
The compound of claim 47 having the D configuration wherein R 1 is potassium.
Claim 57
Dependent Claim
14 words
The compound of claim 47 having the D configuration wherein R 1 is hydrogen.
Claim 58
Dependent Claim
57 words
A compound of the formula ##STR35## wherein A is hydrogen, hydroxy, methyl or methoxy, R 1 is hydrogen, sodium or potassium and R 2 is a member selected from the group consisting of 2-furan-5-sulfonic acid, phenyl-2-sulfonic acid, 4-methoxyphenyl-3-sulfonic acid, 4-hydroxyphenyl-3-sulfonic acid, 2-carboxymethoxyphenyl, 4-carboxymethoxyphenyl, 3-hydroxy-4-carboxyphenyl, 4-(2'-carboxy)vinylphenyl, 2-carboxyphenyl and 3-carboxyphenyl in the form of its sodium or potassium salt.
Claim 59
Dependent Claim
57 words
A compound of the formula ##STR35## wherein A is hydrogen, hydroxy, methyl or methoxy, R 1 is hydrogen, sodium or potassium and R 2 is a member selected from the group consisting of 2-furan-5-sulfonic acid, phenyl-2-sulfonic acid, 4-methoxyphenyl-3-sulfonic acid, 4-hydroxyphenyl-3-sulfonic acid, 2-carboxymethoxyphenyl, 4-carboxymethoxyphenyl, 3-hydroxy-4-carboxyphenyl, 4-(2'-carboxy)vinylphenyl, 2-carboxyphenyl and 3-carboxyphenyl in the form of its sodium or potassium salt.
Claim 60
Dependent Claim
11 words
A compound of claim 51 wherein R 2 is 2-furan-5-sulfonic acid.
Claim 61
Dependent Claim
53 words
A compound of claim 51 of the formula ##STR36## wherein R 1 is hydrogen, sodium or potassium and R 2 is a member selected from the group consisting of 2-furan-5-sulfonic acid, phenyl-2-sulfonic acid, 4-methoxyphenyl-3-sulfonic acid, 4-hydroxyphenyl-3-sulfonic acid, 2-carboxymethoxyphenyl, 4-carboxymethoxyphenyl, 3-hydroxy-4-carboxyphenyl, 4-(2'-carboxy)vinylphenyl, 2-carboxyphenyl and 3-carboxyphenyl in the form of its sodium or potassium salt.
Claim 62
Dependent Claim
11 words
A compound of claim 53 wherein R 2 is 2-furan-5-sulfonic acid.
Claim 63
Dependent Claim
14 words
The compound of claim 54 having the D configuration wherein R 1 is sodium.
Claim 64
Dependent Claim
14 words
The compound of claim 54 having the D configuration wherein R 1 is potassium.
Claim 65
Dependent Claim
14 words
The compound of claim 54 having the D configuration wherein R 1 is hydrogen.
Claim 66
Dependent Claim
57 words
A compound of the formula ##STR37## wherein A is hydrogen, hydroxy, methyl or methoxy, R 1 is hydrogen, sodium or potassium and R 2 is a member selected from the group consisting of 2-furan-5-sulfonic acid, phenyl-2-sulfonic acid, 4-methoxyphenyl-3-sulfonic acid, 4-hydroxyphenyl-3-sulfonic acid, 2-carboxymethoxyphenyl, 4-carboxymethoxyphenyl, 3-hydroxy-4-carboxyphenyl, 4-(2'-carboxy)vinylphenyl, 2-carboxyphenyl and 3-carboxyphenyl in the form of its sodium or potassium salt.
Claim 67
Dependent Claim
57 words
A compound of the formula ##STR37## wherein A is hydrogen, hydroxy, methyl or methoxy, R 1 is hydrogen, sodium or potassium and R 2 is a member selected from the group consisting of 2-furan-5-sulfonic acid, phenyl-2-sulfonic acid, 4-methoxyphenyl-3-sulfonic acid, 4-hydroxyphenyl-3-sulfonic acid, 2-carboxymethoxyphenyl, 4-carboxymethoxyphenyl, 3-hydroxy-4-carboxyphenyl, 4-(2'-carboxy)vinylphenyl, 2-carboxyphenyl and 3-carboxyphenyl in the form of its sodium or potassium salt.
Claim 68
Dependent Claim
11 words
A compound of claim 58 wherein R 2 is 2-furan-5-sulfonic acid.
Claim 69
Dependent Claim
53 words
A compound of claim 58 of the formula ##STR38## wherein R 1 is hydrogen, sodium or potassium and R 2 is a member selected from the group consisting of 2-furan-5-sulfonic acid, phenyl-2-sulfonic acid, 4-methoxyphenyl-3-sulfonic acid, 4-hydroxyphenyl-3-sulfonic acid, 2-carboxymethoxyphenyl, 4-carboxymethoxyphenyl, 3-hydroxy-4-carboxyphenyl, 4-(2'-carboxy)vinylphenyl, 2-carboxyphenyl and 3-carboxyphenyl in the form of its sodium or potassium salt.
Claim 70
Dependent Claim
11 words
A compound of claim 60 wherein R 2 is 2-furan-5-sulfonic acid.
Claim 71
Dependent Claim
14 words
The compound of claim 61 having the D configuration wherein R 1 is sodium.
Claim 72
Dependent Claim
14 words
The compound of claim 61 having the D configuration wherein R 1 is potassium.
Claim 73
Dependent Claim
14 words
The compouund of claim 61 having the D configuration wherein R 1 is hydrogen.
Claim 74
Dependent Claim
57 words
A compound of the formula ##STR39## wherein A is hydrogen, hydroxy, methyl or methoxy, R 1 is hydrogen, sodium or potassium and R 2 is a member selected from the group consisting of 2-furan-5-sulfonic acid, phenyl-2-sulfonic acid, 4-methoxyphenyl-3-sulfonic acid, 4-hydroxyphenyl-3-sulfonic acid, 2-carboxymethoxyphenyl, 4-carboxymethoxyphenyl, 3-hydroxy-4-carboxyphenyl, 4-(2'-carboxy)vinylphenyl, 2-carboxyphenyl and 3-carboxyphenyl in the form of its sodium or potassium salt.
Claim 75
Dependent Claim
57 words
A compound of the formula ##STR39## wherein A is hydrogen, hydroxy, methyl or methoxy, R 1 is hydrogen, sodium or potassium and R 2 is a member selected from the group consisting of 2-furan-5-sulfonic acid, phenyl-2-sulfonic acid, 4-methoxyphenyl-3-sulfonic acid, 4-hydroxyphenyl-3-sulfonic acid, 2-carboxymethoxyphenyl, 4-carboxymethoxyphenyl, 3-hydroxy-4-carboxyphenyl, 4-(2'-carboxy)vinylphenyl, 2-carboxyphenyl and 3-carboxyphenyl in the form of its sodium or potassium salt.
Claim 76
Dependent Claim
11 words
A compound of claim 65 wherein R 2 is 2-furan-5-sulfonic acid.
Claim 77
Dependent Claim
53 words
A compound of claim 65 of the formula ##STR40## wherein R 1 is hydrogen, sodium or potassium and R 2 is a member selected from the group consisting of 2-furan-5-sulfonic acid, phenyl-2-sulfonic acid, 4-methoxyphenyl-3-sulfonic acid, 4-hydroxyphenyl-3-sulfonic acid, 2-carboxymethoxyphenyl, 4-carboxymethoxyphenyl, 3-hydroxy-4-carboxyphenyl, 4-(2'-carboxy)vinylphenyl, 2-carboxyphenyl and 3-carboxyphenyl in the form of its sodium or potassium salt.
Claim 78
Dependent Claim
11 words
A compound of claim 67 wherein R 2 is 2-furan-5-sulfonic acid.
Claim 79
Dependent Claim
14 words
The compound of claim 68 having the D configuration wherein R 1 is sodium.
Claim 80
Dependent Claim
14 words
The compound of claim 68 having the D configuration wherein R 1 is potassium.
Claim 81
Dependent Claim
14 words
The compound of claim 68 having the D configuration wherein R 1 is hydrogen.