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Inventor

Baoling Duan

Inventor
Shijiazhuang, CN

Overview

1→
Patents
2018
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.

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes25%
C07BGeneral methods of organic chemistry25%
C07DHeterocyclic compounds25%
Y02PClimate change mitigation technologies in the production or processing of goods25%
PatentTitleYear
10,106,557Preparation method for benzoxazoleoxazine ketone compound and intermediate and crystal form thereof2018

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2018Patents assigned to NORTH CHINA PHARMACEUTICAL NEW DRUG R & D CO LTD (1)· patent assignee history
2018Patents assigned to NORTH CHINA PHARMACEUTICAL NEW DRUG R&D CO LTD (1)· patent assignee history
2018Based in Shijiazhuang, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NORTH CHINA PHARMACEUTICAL NEW DRUG R & D CO LTD12018
NORTH CHINA PHARMACEUTICAL NEW DRUG R&D CO LTD12018
Locations
LocationPatentsSpan
Shijiazhuang, CN12018