Company Filing History:

3 out of 159

Petrochina Company Limited

patents

Years Active: 2017-2019

where 'Filed Patents' based on already Granted Patents

3 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 10258965 - Sulfur-resistant catalyst for aromatics saturated hydrogenation and preparation method thereof (2019-04-16),

2. 10252255 - Method for preparing noble metal hydrogenation catalyst, noble metal hydrogenation catalyst and use thereof (2019-04-09),

3. 9534178 - Distillate two-phase hydrogenation reactor and hydrogenation method (2017-01-03),

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.

For the Inventor, By the Inventor

Chunmei Yu

Location History:

Company Filing History:

Years Active: 2017-2019