Class 523 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 |
|---|---|---|
| 1 | C 08 G | 61 / 02 |
| 1 | C 08 J | 3 / 00 |
| 100 | A 23 B | 7 / 16 |
| 101 | A 21 D | 8 / 08 |
| 102 | A 61 L | 9 / 04 |
| 103 | C 09 C | 1 / 56 |
| 105 | A 61 K | 8 / 72 |
| 106 | G 02 B | 1 / 04 |
| 107 | C 08 F | 290 / 06 |
| 108 | B 29 D | 11 / 00 |
| 111 | C 08 L | 15 / 00 |
| 112 | A 01 N | 1 / 00 |
| 113 - 115 | A 61 F | 2 / 00 |
| 113 | A 61 L | 24 / 00 |
| 117 | A 61 F | 2 / 00 |
| 117 | A 61 K | 8 / 00 |
| 118 - 120 | A 61 K | 6 / 00 |
| 121 | B 41 M | 5 / 155 |
| 122 | C 09 D | 5 / 16 |
| 123 | A 01 G | 9 / 02 |
| 124 | D 06 P | 1 / 52 |
| 125 | C 08 K | 5 / 00 |
| 126 | C 08 K | 5 / 56 |
| 127 - 128 | C 08 K | 5 / 00 |
| 128 - 129 | C 08 K | 11 / 00 |
| 130 - 131 | C 09 K | 8 / 00 |
| 132 | C 09 K | 17 / 00 |
| 135 | A 01 G | 9 / 14 |
| 136 - 137 | G 21 F | 1 / 10 |
| 137 | G 21 K | 1 / 10 |
| 138 | F 02 K | 9 / 34 |
| 139 | B 22 C | 1 / 00 |
| 139 | B 22 C | 1 / 22 |
| 139 | B 22 C | 3 / 00 |
| 140 | B 22 D | 7 / 10 |
| 140 | C 21 B | 7 / 12 |
| 141 | C 21 B | 7 / 00 |
| 141 | C 21 C | 5 / 46 |
| 142 - 148 | B 22 C | 1 / 22 |
| 149 - 159 | C 08 J | 5 / 14 |
| 160 - 161 | C 09 D | 11 / 00 |
| 161 | C 09 D | 5 / 00 |
| 164 | C 09 D | 13 / 00 |
| 166 | B 29 C | 73 / 00 |
| 167 | A 43 B | 13 / 42 |
| 167 | C 09 G | 1 / 00 |
| 168 | C 03 C | 27 / 00 |
| 169 | C 09 K | 3 / 18 |
| 170 | C 03 C | 8 / 14 |
| 171 | C 09 D | 5 / 29 |
| 172 | F 21 V | 7 / 22 |
| 173 | H 02 G | 15 / 00 |
| 174 | G 11 B | 3 / 70 |
| 175 | B 05 D | 5 / 08 |
| 175 | C 09 K | 3 / 00 |
| 176 - 177 | C 09 J | 4 / 00 |
| 176 - 177 | C 09 J | 101 / 00 |
| 176 - 177 | C 09 J | 201 / 00 |
| 179 | C 09 K | 21 / 14 |
| 180 | C 06 B | 23 / 00 |
| 181 | G 11 B | 5 / 62 |
| 200 | C 08 K | 9 / 00 |
| 201 - 202 | C 08 L | 83 / 00 |
| 201 | C 09 D | 151 / 00 |
| 202 | C 08 K | 9 / 04 |
| 203 | C 03 C | 25 / 26 |
| 204 | C 08 K | 9 / 02 |
| 205 - 209 | C 08 K | 9 / 00 |
| 210 - 211 | C 08 K | 9 / 10 |
| 210 - 211 | C 08 K | 9 / 12 |
| 212 - 214 | C 08 K | 9 / 06 |
| 215 - 217 | C 08 K | 9 / 00 |
| 218 - 219 | C 08 J | 9 / 32 |
| 220 | C 08 K | 7 / 00 |
| 221 | C 09 D | 5 / 03 |
| 222 | C 08 K | 7 / 02 |
| 223 | C 08 K | 7 / 16 |
| 300 | C 08 G | 18 / 08 |
| 300 | C 08 J | 3 / 28 |
| 303 | C 08 J | 3 / 00 |
| 305 | C 08 F | 220 / 12 |
| 306 | C 08 F | 2 / 10 |
| 307 | C 10 C | 3 / 02 |
| 309 | C 08 G | 18 / 08 |
| 310 | C 08 F | 6 / 16 |
| 312 | C 08 C | 1 / 10 |
| 323 | B 29 B | 9 / 06 |
| 324 | C 08 G | 59 / 42 |
| 326 - 328 | C 08 J | 3 / 00 |
| 330 | C 09 B | 67 / 00 |
| 331 | C 08 J | 3 / 09 |
| 332 | C 08 F | 6 / 00 |
| 333 | C 09 B | 67 / 00 |
| 334 | C 08 J | 3 / 215 |
| 335 | C 08 C | 1 / 08 |
| 335 | C 08 J | 3 / 02 |
| 336 - 337 | C 08 J | 3 / 00 |
| 339 | C 08 J | 3 / 09 |
| 340 | C 08 J | 3 / 00 |
| 342 | C 08 J | 3 / 12 |
| 343 | C 08 G | 18 / 08 |
| 344 | C 08 J | 3 / 00 |
| 347 | C 08 G | 69 / 04 |
| 351 | C 08 J | 3 / 20 |
| 351 | C 08 J | 3 / 22 |
| 352 | C 08 C | 1 / 14 |
| 352 | C 08 J | 3 / 16 |
| 353 | C 08 J | 3 / 00 |
| 353 | C 08 J | 3 / 22 |
| 375 | B 09 B | 3 / 00 |
| 400 | C 08 G | 59 / 50 |
| 400 - 403 | C 08 L | 63 / 00 |
| 402 - 413 | C 08 K | 3 / 20 |
| 406 | C 08 G | 65 / 333 |
| 407 | C 08 L | 51 / 00 |
| 408 - 413 | C 09 D | 5 / 44 |
| 414 - 418 | C 08 L | 63 / 00 |
| 420 - 425 | C 08 K | 3 / 20 |
| 423 | C 08 F | 283 / 10 |
| 424 | C 08 L | 61 / 04 |
| 425 - 429 | C 08 L | 63 / 00 |
| 427 | C 08 G | 59 / 38 |
| 428 | C 08 G | 59 / 22 |
| 429 | C 08 G | 59 / 50 |
| 433 | H 01 B | 3 / 40 |
| 434 | C 08 G | 59 / 42 |
| 435 | H 01 L | 23 / 29 |
| 436 | C 08 F | 255 / 00 |
| 437 | C 08 G | 59 / 32 |
| 438 | C 09 K | 3 / 10 |
| 439 | C 08 G | 18 / 64 |
| 440 - 466 | C 08 L | 63 / 00 |
| 444 | C 08 K | 3 / 40 |
| 445 | C 08 G | 59 / 40 |
| 446 | C 08 K | 11 / 00 |
| 447 | C 08 L | 3 / 00 |
| 447 | C 08 L | 5 / 00 |
| 448 | C 08 L | 1 / 00 |
| 449 | C 08 L | 89 / 00 |
| 450 | C 08 L | 95 / 00 |
| 451 | H 01 B | 3 / 40 |
| 452 | C 07 F | 9 / 659 |
| 453 | C 08 K | 5 / 36 |
| 454 | C 08 K | 5 / 07 |
| 455 | C 08 K | 5 / 09 |
| 455 | C 08 K | 5 / 10 |
| 456 - 461 | C 08 K | 5 / 00 |
| 462 | C 08 K | 5 / 02 |
| 463 - 465 | C 08 K | 5 / 01 |
| 468 | C 08 L | 63 / 00 |
| 500 - 508 | C 08 L | 67 / 00 |
| 501 - 504 | C 08 K | 3 / 20 |
| 505 | C 04 B | 26 / 18 |
| 506 | C 08 G | 63 / 682 |
| 507 - 508 | C 08 K | 5 / 00 |
| 509 | C 08 K | 11 / 00 |
| 510 | C 08 K | 5 / 06 |
| 510 | C 08 K | 5 / 13 |
| 510 - 521 | C 08 L | 67 / 00 |
| 511 | C 08 K | 5 / 00 |
| 512 | C 08 K | 3 / 04 |
| 513 | C 08 K | 3 / 00 |
| 514 | C 08 F | 299 / 04 |
| 515 | B 29 C | 33 / 38 |
| 516 | C 08 G | 63 / 682 |
| 517 | C 08 K | 5 / 02 |
| 518 | C 08 K | 5 / 01 |
| 518 | C 08 L | 91 / 08 |
| 518 | C 08 L | 95 / 00 |
| 521 | C 08 K | 3 / 34 |
| 522 - 523 | C 08 F | 299 / 04 |
| 526 | C 08 F | 283 / 01 |
| 527 | C 08 K | 3 / 40 |