Inventor
Guan-Dao Lei
Inventor
Walnut Creek, CA, US
Overview
Patents· 18 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C10Gprimary
C10GCracking hydrocarbon oils31%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry24%
C01BNon-metallic elements14%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds10%
C10MLubricating compositions8%
C10LFuels not otherwise provided for6%
C07CAcyclic or carbocyclic compounds4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
PatentTitleYear
10,618,816Molecular sieve SSZ-91, methods for preparing SSZ-91, and uses for SSZ-91202010,272,422Molecular sieve SSZ-95, method of making, and use201910,196,575Lubricating base oil production201910,052,619Method for making molecular sieve SSZ-9520189,920,260'Processes using molecular sieve SSZ-91'20189,802,830'Molecular sieve SSZ-91'20179,796,936'Production of heavy API group II base oil'20179,677,016'Catalytic processes and systems for base oil production using zeolite SSZ-32X'20179,616,419'Hydroisomerization catalyst manufactured using a high nanopore volume alumina supports'20179,573,124'Method for making molecular sieve SSZ-95'20178,790,507'Catalytic processes and systems for base oil production using zeolite SSZ-32x'20148,617,387'Catalytic processes and systems for base oil production from light feedstock'20138,475,648'Catalytic processes and systems for base oil production from heavy feedstock'20137,431,821'High purity olefinic naphthas for the production of ethylene and propylene'20087,179,364'Production of stable olefinic Fischer-Tropsch fuels with minimum hydrogen consumption'20077,150,821'High purity olefinic naphthas for the production of ethylene and propylene'20066,933,323'Production of stable olefinic fischer tropsch fuels with minimum hydrogen consumption'20056,872,752'High purity olefinic naphthas for the production of ethylene and propylene'2005Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2005–2020Patents assigned to CHEVRON USA INC (18)· patent assignee history
2005–2020Based in Walnut Creek, CA, US· patent location history
2013–2017Patents assigned to LEI GUAN-DAO (4)· patent assignee history
2013–2014Patents assigned to KRISHNA KAMALA (3)· patent assignee history
2017–2019Patents assigned to OJO ADEOLA FLORENCE (2)· patent assignee history
2017Based in San Ramon, CA, US· patent location history
2019Patents assigned to LEI GUAN DAO (2)· patent assignee history
2019Based in Richmond, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHEVRON USA INC | 18 | 2005–2020 |
| LEI GUAN-DAOself | 4 | 2013–2017 |
| KRISHNA KAMALA | 3 | 2013–2014 |
| LEI GUAN DAOself | 2 | 2019 |
| OJO ADEOLA FLORENCE | 2 | 2017–2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Walnut Creek, California, US | 16 | 2005–2020 |
| Richmond, California, US | 1 | 2019 |
| San Ramon, California, US | 1 | 2017 |