Inventor
Dadong Li
Inventor
Beijing, CN
Overview
Patents· 18 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C10Gprimary
C10GCracking hydrocarbon oils37%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry24%
C07CAcyclic or carbocyclic compounds11%
C21DModifying the physical structure of ferrous metals8%
C22CAlloys5%
E01BPermanent way5%
B21BRolling of metal3%
B23KSoldering or unsoldering3%
C01BNon-metallic elements3%
Y02PClimate change mitigation technologies in the production or processing of goods3%
PatentTitleYear
10,913,052Supported bimetallic core-shell structure catalyst and its preparation method202110,870,165Mobile flash butt welding method for 136RE+SS heat-treated rail202010,214,799Heat treatment method for increasing the depth of hardening layer in a steel rail and steel rail obtained with the method201910,196,781Hypereutectoid steel rail and preparation method thereof20199,771,529'Process for producing light olefins and aromatics'20179,657,236'Process for hydrotreating heavy raw oils'20179,309,467'Integrated process for hydrogenation and catalytic cracking of hydrocarbon oil'20169,260,667'Combined process of hydrotreating and catalytic cracking of hydrocarbon oils'20168,883,669'Hydrocracking catalyst, a process for producing the same, and the use of the same'20148,778,170'Process for producing light olefins and aromatics'20148,697,598'Hydrogenation catalyst and use thereof'20148,529,753'Combined process for hydrotreating and catalytic cracking of residue'20138,334,231'Hydrocracking catalyst, the preparation process and use of the same'20127,745,372'Catalyst for selective hydrogenation of olefins and its preparation as well as use'20107,341,657'Process for reducing sulfur and olefin contents in gasoline'20086,518,219'Catalyst for hydrorefining fraction oils, its carrier and preparation'20035,972,832'Distillate hydrocracking catalyst and process for the preparation of the same'19995,914,290'Distillate hydrofining catalyst and a process for the preparation of the same'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2016Patents assigned to RES INST PETROLEUM PROCESSING (11)· patent assignee history
1999–2021Based in Beijing, CN· patent location history
2008–2016Patents assigned to CHINA PETROLEUM & CHEMICAL (8)· patent assignee history
2012–2016Patents assigned to LI DADONG (7)· patent assignee history
2012–2016Patents assigned to NIE HONG (7)· patent assignee history
2012–2014Patents assigned to SHI YAHUA (4)· patent assignee history
2019Based in Panzhihua, CN· patent location history
2020Based in Chengdu, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RES INST PETROLEUM PROCESSING | 11 | 1999–2016 |
| CHINA PETROLEUM & CHEMICAL | 8 | 2008–2016 |
| LI DADONGself | 7 | 2012–2016 |
| NIE HONG | 7 | 2012–2016 |
| SHI YAHUA | 4 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Beijing, CN | 15 | 1999–2021 |
| Panzhihua, CN | 2 | 2019 |
| Chengdu, CN | 1 | 2020 |