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Inventor

Kecheng Wei

Inventor
Beijing, CN

Overview

1→
Patents
2021
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.

C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds33%
C10MLubricating compositions33%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions33%
PatentTitleYear
11,028,334Gradient copolymer, its production and application thereof2021

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021Patents assigned to CHINA PETROLEUM & CHEM CORP (1)· patent assignee history
2021Patents assigned to SINOPEC RES INST PETROLEUM (1)· patent assignee history
2021Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHINA PETROLEUM & CHEM CORP12021
SINOPEC RES INST PETROLEUM12021
Locations
LocationPatentsSpan
Beijing, CN12021