Class 521 SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES
Printable Version[PDF] See notes regarding proper use of US-to-IPC Concordances. | ||
U.S. Subclass | IPC8 Subclass | IPC8 Group |
---|---|---|
25 - 29 | B 01 J | 49 / 00 |
25 - 29 | C 08 J | 5 / 20 |
30 | B 01 J | 41 / 12 |
30 | B 01 J | 49 / 00 |
31 | B 01 J | 39 / 20 |
31 | B 01 J | 49 / 00 |
32 | B 01 J | 41 / 14 |
32 | B 01 J | 49 / 00 |
33 | B 01 J | 39 / 20 |
33 | B 01 J | 49 / 00 |
34 - 36 | B 01 J | 41 / 12 |
34 - 36 | B 01 J | 49 / 00 |
37 | B 01 J | 39 / 18 |
37 | B 01 J | 49 / 00 |
38 | B 01 J | 39 / 20 |
38 | B 01 J | 49 / 00 |
39 | B 01 J | 41 / 12 |
39 | B 01 J | 49 / 00 |
40 - 45 | C 08 J | 11 / 04 |
45.5 | B 29 B | 17 / 00 |
45.5 | C 08 J | 11 / 04 |
46 - 49.8 | C 08 J | 11 / 04 |
50 - 50.5 | C 08 J | 9 / 00 |
51 | C 08 J | 9 / 34 |
52 | C 08 J | 9 / 38 |
53 | C 08 J | 9 / 36 |
54 | C 08 J | 9 / 32 |
55 | C 04 B | 28 / 02 |
56 | C 08 J | 9 / 16 |
57 - 58 | C 08 J | 9 / 22 |
59 | C 08 J | 9 / 16 |
60 | C 08 J | 9 / 18 |
61 | C 08 J | 9 / 26 |
62 - 63 | C 08 J | 9 / 26 |
62 - 63 | C 08 J | 9 / 28 |
64 | C 08 J | 9 / 28 |
65 - 72 | C 08 J | 9 / 28 |
65 - 72 | C 08 J | 9 / 30 |
73 - 75 | C 08 J | 9 / 30 |
76 | C 08 J | 9 / 00 |
76 | C 08 J | 9 / 32 |
77 - 81 | C 08 J | 9 / 00 |
82 | C 08 J | 9 / 00 |
82 | C 08 J | 9 / 12 |
83 | C 04 B | 28 / 14 |
83 | C 08 J | 9 / 00 |
84.1 | C 08 J | 9 / 00 |
85 - 86 | C 08 J | 9 / 00 |
87 | C 08 J | 9 / 00 |
87 | C 08 J | 9 / 10 |
88 | C 08 J | 9 / 00 |
89 - 90 | C 08 J | 9 / 00 |
89 - 90 | C 08 J | 9 / 10 |
91 | C 08 J | 9 / 00 |
92 - 93 | C 08 J | 9 / 00 |
92 - 93 | C 08 J | 9 / 10 |
94 | C 08 G | 18 / 38 |
94 | C 08 J | 9 / 00 |
95 | C 08 J | 9 / 00 |
95 | C 08 J | 9 / 10 |
96 | A 63 B | 37 / 02 |
96 | C 08 J | 9 / 00 |
97 | C 08 J | 9 / 00 |
97 | C 08 J | 9 / 12 |
98 | C 08 J | 9 / 00 |
98 | C 08 J | 9 / 14 |
99 | C 08 G | 18 / 48 |
99 | C 08 J | 9 / 00 |
100 | C 08 G | 18 / 64 |
100 | C 08 J | 9 / 00 |
101 | C 07 F | 9 / 6571 |
101 | C 08 J | 9 / 00 |
102 | C 08 G | 18 / 64 |
102 | C 08 J | 9 / 00 |
103 | C 08 G | 18 / 18 |
103 | C 08 J | 9 / 00 |
104 | C 08 G | 18 / 00 |
104 | C 08 J | 9 / 00 |
105 | C 08 G | 18 / 38 |
105 | C 08 J | 9 / 00 |
106 | C 08 G | 18 / 16 |
106 | C 08 J | 9 / 00 |
107 | C 08 G | 18 / 38 |
107 | C 08 J | 9 / 00 |
108 | C 08 G | 18 / 16 |
108 | C 08 J | 9 / 00 |
109.1 | C 08 G | 18 / 48 |
110 | C 08 G | 18 / 48 |
110 | C 08 J | 9 / 00 |
111 - 112 | C 08 G | 77 / 46 |
111 - 112 | C 08 J | 9 / 00 |
113 | C 08 F | 299 / 04 |
113 | C 08 J | 9 / 00 |
114 | C 08 G | 18 / 28 |
114 | C 08 J | 9 / 00 |
115 | C 08 G | 18 / 18 |
115 | C 08 J | 9 / 00 |
116 - 117 | C 08 G | 18 / 28 |
116 - 117 | C 08 J | 9 / 00 |
118 | C 08 G | 18 / 18 |
118 | C 08 J | 9 / 00 |
119 | C 08 G | 18 / 22 |
119 | C 08 J | 9 / 00 |
120 | C 08 G | 18 / 48 |
120 | C 08 J | 9 / 00 |
121 | C 08 G | 18 / 24 |
121 | C 08 J | 9 / 00 |
122 - 123 | C 08 G | 18 / 08 |
122 - 123 | C 08 J | 9 / 00 |
124 - 125 | C 08 G | 18 / 22 |
124 - 125 | C 08 J | 9 / 00 |
126 | C 08 G | 18 / 24 |
126 | C 08 J | 9 / 00 |
127 | C 08 G | 18 / 48 |
127 | C 08 J | 9 / 00 |
128 | C 08 G | 18 / 38 |
128 | C 08 J | 9 / 00 |
129 | C 08 G | 18 / 18 |
129 | C 08 J | 9 / 00 |
130 - 131 | C 08 G | 18 / 48 |
130 - 131 | C 08 J | 9 / 00 |
132 | C 08 J | 9 / 00 |
133 | B 29 B | 7 / 76 |
133 | C 08 J | 9 / 00 |
134 | C 08 J | 9 / 00 |
135 | C 08 L | 63 / 00 |
136 | C 08 L | 61 / 00 |
137 | C 08 L | 75 / 00 |
138 | C 08 L | 67 / 00 |
138 | C 08 L | 77 / 00 |
139 | B 22 C | 1 / 22 |
140 | C 08 L | 47 / 00 |
141 | C 08 F | 16 / 06 |
141 | C 08 F | 116 / 06 |
141 | C 08 F | 216 / 06 |
142 | B 29 C | 44 / 34 |
143 | C 08 F | 110 / 00 |
144 | C 08 F | 210 / 00 |
145 - 146 | C 08 F | 14 / 00 |
145 - 146 | C 08 F | 114 / 00 |
145 - 146 | C 08 F | 214 / 00 |
147 | C 07 K | 1 / 04 |
148 | C 08 F | 36 / 04 |
148 | C 08 F | 136 / 04 |
148 | C 08 F | 236 / 04 |
149 | A 61 F | 13 / 15 |
150 | C 08 F | 36 / 00 |
151 | C 08 G | 83 / 00 |
151 | C 08 L | 95 / 00 |
152 | C 08 G | 77 / 56 |
152 | C 08 G | 79 / 08 |
153 | C 08 G | 79 / 00 |
154 | C 08 G | 77 / 00 |
155 - 177 | C 08 G | 18 / 00 |
178 | C 08 G | 59 / 00 |
179 | C 08 G | 59 / 42 |
180 | C 08 G | 63 / 00 |
180 | C 08 G | 65 / 38 |
181 | C 08 G | 8 / 00 |
181 | C 08 G | 14 / 04 |
182 | C 08 G | 63 / 00 |
183 - 185 | C 08 G | 63 / 44 |
183 - 185 | C 08 G | 69 / 44 |
183 - 185 | C 08 G | 73 / 10 |
186 | C 08 G | 4 / 00 |
186 | C 08 G | 6 / 00 |
186 | C 08 G | 10 / 00 |
186 | C 08 G | 12 / 00 |
186 | C 08 G | 14 / 00 |
186 | C 08 G | 16 / 00 |
186 | C 08 G | 65 / 00 |
187 | C 08 G | 12 / 00 |
188 | C 08 G | 12 / 12 |
189 | C 08 G | 73 / 10 |