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Inventor

Xuchen Bao

Inventor
Beijing, CN

Overview

1→
Patents
2009
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.

C08Kprimary
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients33%
C09KMaterials for miscellaneous applications, not provided for elsewhere33%
E21BEarth or rock drilling33%
PatentTitleYear
7,592,379'Oil-based dispersing method of drag reduction polymers'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009Patents assigned to PETROCHINA CO LTD (1)· patent assignee history
2009Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PETROCHINA CO LTD12009
Locations
LocationPatentsSpan
Beijing, CN12009