Inventor

LIU XUEFEN

CN5 patents

⚠️ This page may combine multiple inventors who share the name “LIU XUEFEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHINA PETROLEUM & CHEM CORP

2 patents

US9657236B2May 23, 2017

Process for hydrotreating heavy raw oils

CHINA PETROLEUM & CHEM CORP28 citations91

US11161105B2Nov 2, 2021

Hydrogenation catalyst, its production and application thereof

CHINA PETROLEUM & CHEM CORP0 citations59

CHINA PETROCHEMICAL CORP

2 patents

US6518219B1Feb 11, 2003

Catalyst for hydrorefining fraction oils, its carrier and preparation

CHINA PETROCHEMICAL CORP27 citations89

US5914290AJun 22, 1999

Distillate hydrofining catalyst and a process for the preparation of the same

CHINA PETROCHEMICAL CORP9 citations69

LONG XIANGYUN

1 patent

US8697598B2Apr 15, 2014

Hydrogenation catalyst and use thereof

LONG XIANGYUN12 citations76