专利中间文件查询-专利相关的中间文件在哪可以
时间:2022-11-07 06:15
| 发明专利《审查意见书》中提及的专利对比文件查不... 这是个IPC的专利，登录中国知识产权局是查不到的 METHOD FOR STABILIZING AND CONDITIONING URBAN AND INDUSTRIAL WASTEWATER SLUDGE - WO03045852A1 发明人 BLAIS JEAN-FRANCOIS [CA] MERCIER GUY [CA] DROGUI PATRICK [CA] 申请人 CORP BIOLIX [CA] BLAIS JEAN-FRANCOIS [CA] MERCIER GUY [CA] DROGUI PATRICK [CA] 申请号 WO2002CA01808 申请日 2002-11-29 文献号 WO03045852 公开日 2003-06-05 IPC C02F1/72 C02F11/12 ECLA C02F11/14 优先权 WO2001CA01709 引证专利 JP5104100A METHOD FOR CONDITIONING ORGANIC SLUDGE 1993-04-27 JP53110964A DEHYDRATING METHOD FOR ORGANIC SLUDGE 1978-09-28 US4221661A Method of dehydrating organic sludge 1980-09-09 WO0204358A1 SYSTEM AND METHOD FOR REMOVAL OF ARSENIC FROM AQUEOUS SOLUTIONS 2002-01-17 WO9937585A1 CONDITIONING METHOD FOR DEHYDRATING CLARIFICATION SLUDGE 1999-07-29 参考文献 [A] PATENT ABSTRACTS OF JAPAN vol. 017, no. 452 (C-1099), 19 août 1993 (1993-08-19)  |