Inventor

Liangying LI

Inventor

Overview

3→

Patents

2022–2025

Patent span

Performing operations

Primary field (CPC B)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B01Dprimary

B01DSeparation25%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry25%

C07CAcyclic or carbocyclic compounds25%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds13%

F25JLiquefaction, solidification or separation of gases or gaseous or liquefied gaseous mixtures by pressure and cold treatment or by bringing them into the supercritical state13%

PatentTitleYear

12,215,921Photoelectric hydrogen production energy storage and cold energy recovery coupled dry ice production device and use method2025 12,215,079Method for separating mixed xylene2025 11,530,174Method for adsorption and separation of propylene, propyne, propane and propadiene2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2025Patents assigned to UNIV ZHEJIANG (2)· patent assignee history

2022–2025Based in CN· patent location history

2025Patents assigned to HANGZHOU OXYGEN PLANT GROUP CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
UNIV ZHEJIANG	2	2022–2025
HANGZHOU OXYGEN PLANT GROUP CO LTD	1	2025

Locations

Location	Patents	Span
CN	3	2022–2025