国家/地区 中国(884)
IPC部 B(884)
IPC大类 B01(884)
IPC小类 B01J(563) B01D(271) C02F(256)
B01F(132) C01B(126) C07C(52)
C25B(43) B82Y(29) G01N(21)
C07D(16) A01N(15) A01P(15)
C08J(15) C08K(15) C08L(14)
IPC B01J020/30(140) C02F001/28(112) B01J020/28(104)
C02F101/30(102) B01J020/20(91) B01D067/00(88)
C02F001/30(78) B01J027/24(75) B01J035/10(74)
B01F015/00(67) C02F101/38(66) C02F101/20(50)
B01D069/02(47) B01D053/86(46) B01D071/02(46)
发明人 WANG Y(45) WANG J(33) WANG X(33)
CHEN Y(32) ZHANG Y(32) LIU Y(30)
ZHANG J(30) ZHANG L(30) LI H(27)
LI X(27) LI Y(27) YANG Y(26)
LI J(25) ZHANG H(23) WANG L(22)
公开年 2020(435) 2019(352) 2021(94) 2022(2)
申请年 2019(884)
专利权人 CHINA PETROL.(20) CAS DALIAN C.(19) ZHONGSU NEW .(13) UNIV ZHEJIAN.(12)
UNIV GUANGDO.(8) UNIV SOUTH C.(8) WANHUA CHEM .(8) GUANGZHOU KA.(7)
UNIV SHAANXI.(7) UNIV SOUTHWE.(7) SHANDONG LEA.(6) UNIV HANGZHO.(6)
UNIV JIANGSU(6) UNIV JINAN S.(6) UNIV QINGDAO.(6) UNIV SHANDON.(6)
UNIV TONGJI(6) UNIV ZHEJIAN.(6) XI AN MODERN.(6) DONGGUAN HAI.(5)