国家/地区 中国(849)
IPC部 B(849) C(633) A(42)
G(35) H(31) D(17)
F(7)
IPC大类 B01(849) C02(297) C01(164)
C07(106) C08(47) C09(42)
H01(29) B82(28) A61(26)
G01(24) C10(21) C25(18)
A01(14) D01(11) C04(8)
IPC小类 B01J(849)
IPC B01J020/30(209) B01J020/28(132) C02F001/28(130)
B01J020/20(109) C02F001/30(107) B01J027/24(104)
C02F101/30(94) B01J021/18(89) C02F101/38(89)
B01J035/10(83) B01J013/00(73) B01J020/26(71)
C02F101/34(68) B01J035/00(63) B01D053/86(61)
发明人 WANG Y(47) LI Y(44) WANG J(41)
ZHANG Y(41) LIU Y(38) LI S(34)
WANG X(33) ZHANG J(31) LI Z(29)
LIU X(29) ZHANG X(29) WANG H(28)
LI J(27) LI L(24) LIU J(24)
公开年 2021(583) 2022(227) 2023(39)
申请年 2021(849)
专利权人 CHINA PETROL.(26) UNIV NANJING.(13) UNIV SOUTH C.(11) RES INST PET.(10)
UNIV CHANGZH.(10) UNIV FUZHOU(10) UNIV JIANGSU(10) UNIV SHAANXI.(10)
CAS DALIAN C.(8) HARBIN INST .(8) INST METAL R.(8) LANZHOU CHEM.(7)
UNIV EAST CH.(7) UNIV QINGDAO.(7) UNIV SICHUAN(7) UNIV ZHEJIAN.(7)
UNIV ZHEJIAN.(7) CHINA PETROL.(6) SHANGHAI INS.(6) UNIV NANJING.(6)