Inventor
Wei Dai
Inventor
Beijing, CN
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry29%
C07CAcyclic or carbocyclic compounds19%
C10GCracking hydrocarbon oils19%
Y02PClimate change mitigation technologies in the production or processing of goods10%
B23PMetal-working not otherwise provided for5%
C11DDetergent compositions5%
C25DProcesses for the electrolytic or electrophoretic production of coatings5%
C25FProcesses for the electrolytic removal of materials from objects5%
Y10TTechnical subjects covered by former us classification5%
PatentTitleYear
10,661,254Composite catalyst and preparation method therefor20209,758,745'Process of making a liquid cleaning composition'20179,643,172'Metal loaded catalyst and preparation method thereof'20178,904,620'Metallic housing forming method'20147,642,388'Composite for catalytic distillation and its preparation'20107,226,884'Composite for catalytic distillation and its preparation'20076,858,766'Process for selectively hydrogenating mixed phase front end C2-C10 greater unsaturated hydrocarbons'20056,822,127'Selective hydrogenation catalyst for selectively hydrogenating of unsaturated olefin, process for preparing the same and its use'20046,459,008'Selective hydrogenation catalyst system and process for preparing the same and its use'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2004Patents assigned to BEIJING RES INST CHEM IND (2)· patent assignee history
2002–2020Based in Beijing, CN· patent location history
2004–2010Patents assigned to CHINA PETROLEUM & CHEMICAL (2)· patent assignee history
2007–2010Patents assigned to SINOPEC BEIJING RES INST OF CH (2)· patent assignee history
2014Based in Shenzhen, CN· patent location history
2017–2020Patents assigned to CHINA PETROLEUM & CHEM CORP (2)· patent assignee history
2020Patents assigned to BEIJING RES INST CHEMICAL IND CHINA PETROLEUM & CHEMICAL CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BEIJING RES INST CHEM IND | 2 | 2002–2004 |
| CHINA PETROLEUM & CHEM CORP | 2 | 2017–2020 |
| CHINA PETROLEUM & CHEMICAL | 2 | 2004–2010 |
| SINOPEC BEIJING RES INST OF CH | 2 | 2007–2010 |
| BEIJING RES INST CHEMICAL IND CHINA PETROLEUM & CHEMICAL CORP | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Beijing, CN | 8 | 2002–2020 |
| Shenzhen, CN | 1 | 2014 |