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Inventor

Chuntao Li

Inventor
Beijing, CN

Overview

3→
Patents
2015–2020
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.

B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry29%
C10GCracking hydrocarbon oils29%
C08BPolysaccharides14%
D01DMechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres, bristles or ribbons14%
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons14%
PatentTitleYear
10,525,431Cold-wall reactor for suspension-bed hydrogenation202010,369,553Suspended-bed hydrogenation catalyst and regeneration method therefor20198,962,821'Method for preparing regenerated cellulose fiber by two-step coagulating bath process'2015

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2015Patents assigned to CAI JIE (1)· patent assignee history
2015Patents assigned to JIANGSU LONG MA GREEN FIBERS CO LTD (1)· patent assignee history
2015Patents assigned to LI CHUNTAO (1)· patent assignee history
2015Patents assigned to MAO YUAN (1)· patent assignee history
2015Based in Hai'An, CN· patent location history
2019–2020Patents assigned to BEIJING HUASHI UNITED ENERGY TECH AND DEVELOPMENT CO LTD (2)· patent assignee history
2019–2020Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BEIJING HUASHI UNITED ENERGY TECH AND DEVELOPMENT CO LTD22019–2020
CAI JIE12015
JIANGSU LONG MA GREEN FIBERS CO LTD12015
LI CHUNTAOself12015
MAO YUAN12015
Locations
LocationPatentsSpan
Beijing, CN22019–2020
Hai'An, CN12015