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Inventor

Charles Gao

Inventor
Beijing, CN

Overview

2→
Patents
2003–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes13%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations13%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium13%
C08BPolysaccharides13%
C10MLubricating compositions13%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions13%
C23FNon-mechanical removal of metallic material from surface13%
Y10TTechnical subjects covered by former us classification13%
PatentTitleYear
10,966,993Pharmaceutical composition comprising a sulfonylurea drug and preparation method thereof20216,559,108'Perfluoropolyether compounds as magnetic media lubricants'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003Patents assigned to BURMAH CASTROL TRADING LTD (1)· patent assignee history
2003Patents assigned to DU PONT (1)· patent assignee history
2003Based in Fremont, CA, US· patent location history
2021Patents assigned to JIANGSU AOSAIKANG PHARM CO LTD (1)· patent assignee history
2021Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BURMAH CASTROL TRADING LTD12003
DU PONT12003
JIANGSU AOSAIKANG PHARM CO LTD12021
Locations
LocationPatentsSpan
Beijing, CN12021
Fremont, California, US12003