共 50 条
- [12] UTILITY OF CHEMICAL INVENTIONS - CHAMELEON OF THE PATENT-LAW JOURNAL OF THE PATENT OFFICE SOCIETY, 1961, 43 (03): : 205 - 217
- [14] Prosecution of chemical and pharmaceutical patent applications in Europe ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 2015, 250
- [18] UTILITY REQUIREMENT IN STATUTE JOURNAL OF THE PATENT OFFICE SOCIETY, 1967, 49 (07): : 533 - 546
- [19] The Utility of Patent Statistics JOURNAL OF THE PATENT OFFICE SOCIETY, 1953, 35 (06): : 407 - 412