Method and catalyst for selective oligomerization of ethylene
US-2019388882-A1 · Dec 26, 2019 · US
This page is not indexed by search engines while we improve data quality.
Petrochina Co Ltd patents in 2019
Petrochina Co Ltd was listed as an assignee on 44 patent publications in 2019.
| Metric | Value |
|---|---|
| Company | Petrochina Co Ltd |
| Year | 2019 |
| Patents | 44 |
Patents
Representative publications for Petrochina Co Ltd in 2019.
Method and device for predicting change in water cut rising rate in water-drive oil reservoir
US-2019383140-A1 · Dec 19, 2019 · US
Resistivity Measurement Method, Device and System
US-2019369286-A1 · Dec 5, 2019 · US
Single-Side Modified Beta-Anderson-Type Heteropolymolybdate Organic Derivatives
US-2019352320-A1 · Nov 21, 2019 · US
Chelating agent for reservoir acidification and stimulating injection and its preparation method and application
US-2019330519-A1 · Oct 31, 2019 · US
Top CPC classifications
Most common classification codes for Petrochina Co Ltd in 2019.
Related pages
Navigate to parent entity pages.