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Inventor

Yantao QI

Inventor
CN

Overview

1→
Patents
2022
Patent span
Chemistry
Primary field (CPC C)

Patents· 1 as inventor

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

C07Bprimary
C07BGeneral methods of organic chemistry33%
C07CAcyclic or carbocyclic compounds33%
C07DHeterocyclic compounds33%
PatentTitleYear
11,518,741Brivaracetam intermediate, preparation method therefor, and preparation method for brivaracetam2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022Patents assigned to SHANGHAI PUYI CHEMICAL CO LTD (1)· patent assignee history
2022Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHANGHAI PUYI CHEMICAL CO LTD12022
Locations
LocationPatentsSpan
CN12022