Inventor · disambiguated record
Wenzhi Chang
Also filed as: CHANG WENZHI
2 granted patents·1 pending application·0 citations·filing 2020–2022
20Inventor score
Files withCHINA PETROLEUM & CHEM CORP3
Top patents by PatentIndex Score
3 records- 0152US2024408582A1Catalyst and application, and method for removing carbonyl sulfide in natural gasCHINA PETROLEUM & CHEM CORP·Filed 2022·Application pending·0 cites
- 0248US12233397B2Composite material and use thereof in desulfurizationCHINA PETROLEUM & CHEM CORP·Filed 2020·Granted Feb 25, 2025·0 cites·15 claims
- 0342US12233396B2Molecular sieve complex, composite material and application thereofCHINA PETROLEUM & CHEM CORP·Filed 2020·Granted Feb 25, 2025·0 cites·20 claims
Join the waitlist — get patent alerts
Get an alert when Wenzhi Chang files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →