Inventor

Congyun Zhang

Inventor

Beijing, CN

Overview

2012

Patent span

Chemistry

Primary field (CPC C)

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

A61Kprimary

A61KPreparations for medical, dental or toiletry purposes20%

C01GCompounds containing metals not covered by subclasses c01d or c01f20%

C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds20%

C08JWorking-up20%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients20%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2012Patents assigned to BEIJING DINGGUOCHANGSHENG BIOTECH CO LTD (1)· patent assignee history

2012Patents assigned to ZHANG CONGYUN (1)· patent assignee history

2012Patents assigned to ZHOU WEIDONG (1)· patent assignee history

2012Based in Beijing, CN· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BEIJING DINGGUOCHANGSHENG BIOTECH CO LTD	1	2012
ZHANG CONGYUNself	1	2012
ZHOU WEIDONG	1	2012

Locations

Location	Patents	Span
Beijing, CN	1	2012