Subject Areas | Record Count | % of 366 Patents |
Chemistry Engineering Energy Fuels Polymer Science Mineral Processing Biotechnology Applied Microbiology Food Science Technology Photographic Technology Pharmacology and Pharmacy Materials Science | 359 344 339 329 127 41 34 32 27 26 | 98.087 93.989 92.623 89.891 34.699 11.202 9.290 8.743 7.377 7.104 |