国家/地区 中国（3）
IPC部 B（3） C（3）
IPC大类 B01（3）
IPC小类 B01J（3）
IPC B01J037/16（3）
发明人
公开年
申请年
专利权人 WANHUA CHEM GROUP CO LTD（3）

Catalyst used for preparing beta-carotene from vitamin A triphenylphosphine salt by electrochemistry, is a graphene-supported metal ferrite and a metal oxide catalyst.

ZHANG T, SONG J, SHEN H, JIE J, WANG J, ZHANG Y

Preparing veratrole comprises taking catechol and methanol as raw materials, using co-catalysis of metal catalysts and molecular sieve catalysts and carrying out etherification.

WANG R, FAN L, LI J

Catalyst used for treatment of sulfur-containing waste alkali, comprises mixed carrier material of O-multi-walled carbon nanotubes-graphene oxide nanoribbons-C and active components.

LIANG J, KONG X, XU Y, WANG L, GUO X, ZHANG H