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Inventor

Xiangnan Zhai

Inventor
Gansu, CN

Overview

3→
Patents
2016–2019
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

B01Dprimary
B01DSeparation29%
C07CAcyclic or carbocyclic compounds29%
C01BNon-metallic elements14%
C08LCompositions of macromolecular compounds14%
Y02PClimate change mitigation technologies in the production or processing of goods14%
PatentTitleYear
10,273,198Solvent exchanger and method for improving the exchange efficiency of CTA solvent20199,902,680'Method for processing acetic acid solvent in oxidising unit of PTA industrial apparatus'20189,352,972'Device for recovering SiCl4 slurry and method for the same'2016

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2016–2019Patents assigned to TIANHUA INST OF CHEMICAL MACHINERY AND AUTOMATION CO LTD (3)· patent assignee history
2016Patents assigned to NAT ENGINEERING RES CT OF DRYING TECHNOLOGY AND EQUIPMENT (1)· patent assignee history
2016Based in Lanzhou, CN· patent location history
2018–2019Based in Gansu, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TIANHUA INST OF CHEMICAL MACHINERY AND AUTOMATION CO LTD32016–2019
NAT ENGINEERING RES CT OF DRYING TECHNOLOGY AND EQUIPMENT12016
Locations
LocationPatentsSpan
Gansu, CN22018–2019
Lanzhou, CN12016