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Inventor

Leilei Zheng

Inventor
Guangdong, CN

Overview

2→
Patents
2010–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 2 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 preparations33%
C07DHeterocyclic compounds33%
LOC1233%
PatentTitleYear
D0923520Stroller20217,700,581'Cephalosporin compounds comprising a C3 thio-methyl moiety substituted with N-containing heterocyclic group, and a C7 thiourea acetamido group, their preparations and uses thereof'2010

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2010Patents assigned to GUANGZHOU BAIYUNSHAN PHARMACEU (1)· patent assignee history
2010–2021Based in Guangdong, CN· patent location history
2021Patents assigned to WONDERLAND SWITZERLAND AG (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GUANGZHOU BAIYUNSHAN PHARMACEU12010
WONDERLAND SWITZERLAND AG12021
Locations
LocationPatentsSpan
Guangdong, CN22010–2021