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Inventor

Jiangwen Xu

Inventor
Beijing, CN

Overview

1→
Patents
2020
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.

B01Fprimary
B01FMixing, e.g. dissolving, emulsifying or dispersing33%
C08JWorking-up33%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients33%
PatentTitleYear
10,800,892Composition of nano-emulsion having small particle size and ultra-low concentration and a preparation method thereof2020

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2020Patents assigned to KMS OIL FIELD CHEMICALS & TECHNICAL SERVICES LTD (1)· patent assignee history
2020Patents assigned to KMS OIL FIELD CHEMICALS & TECHNICAL SERVICES LTD BEIJING (1)· patent assignee history
2020Patents assigned to PETROCHINA CO LTD (1)· patent assignee history
2020Patents assigned to UNIV CHINA PETROLEUM BEIJING (1)· patent assignee history
2020Patents assigned to ZHONG SHI DA ENGINEERING RES CENTER CO LTD (1)· patent assignee history
2020Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KMS OIL FIELD CHEMICALS & TECHNICAL SERVICES LTD12020
KMS OIL FIELD CHEMICALS & TECHNICAL SERVICES LTD BEIJING12020
PETROCHINA CO LTD12020
UNIV CHINA PETROLEUM BEIJING12020
ZHONG SHI DA ENGINEERING RES CENTER CO LTD12020
Locations
LocationPatentsSpan
Beijing, CN12020