Heavy oil catalytic cracking catalyst and preparation method therefor
US-9844772-B2 · Dec 19, 2017 · US
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Petrochina Co Ltd patents in 2017
Petrochina Co Ltd was listed as an assignee on 15 patent publications in 2017.
| Metric | Value |
|---|---|
| Company | Petrochina Co Ltd |
| Year | 2017 |
| Patents | 15 |
Patents
Representative publications for Petrochina Co Ltd in 2017.
Magnesium modified ultra-stable rare earth Y-type molecular sieve and preparation method therefor
US-9840422-B2 · Dec 12, 2017 · US
Bridge type concentric continuously adjustable water distributor
US-9828831-B2 · Nov 28, 2017 · US
Method for Enhancing Oil Recovery in Huff-Puff Oil Production of Tight Oil from a Fractured Horizontal Well
US-2017314377-A1 · Nov 2, 2017 · US
Ultra-stable rare earth Y-type molecular sieve and preparation method therefor
US-9789475-B2 · Oct 17, 2017 · US
Top CPC classifications
Most common classification codes for Petrochina Co Ltd in 2017.
| CPC | Patents |
|---|---|
| B01J2229/186 | 3 |
| B01J2229/40 | 3 |
| B01J2229/42 | 3 |
| B01J29/088 | 3 |
| B01J35/023 | 3 |
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