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Inventor

Lei He

Inventor
Jiangsu, CN

Overview

4→
Patents
2018–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

A61Pprimary
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations18%
C07BGeneral methods of organic chemistry18%
C07CAcyclic or carbocyclic compounds18%
C07DHeterocyclic compounds18%
C07HSugars18%
A61KPreparations for medical, dental or toiletry purposes9%
PatentTitleYear
10,836,786Crystal form of dapagliflozin intermediate and preparation method therefor202010,464,915Dapagliflozin crystal form and preparation method and use thereof201910,259,766Preparation method for 2,3-pentanedione201910,160,710Synthesis method of 3,4-hexanedione2018

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2018–2019Patents assigned to HUAIYIN INST TECHNOLOGY (2)· patent assignee history
2018–2019Based in Huai'an, CN· patent location history
2019–2020Patents assigned to JIANGSU HANSOH PHARMACEUTICAL GROUP CO LTD (2)· patent assignee history
2019–2020Based in Jiangsu, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HUAIYIN INST TECHNOLOGY22018–2019
JIANGSU HANSOH PHARMACEUTICAL GROUP CO LTD22019–2020
Locations
LocationPatentsSpan
Jiangsu, CN22019–2020
Huai'an, CN22018–2019