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Inventor

Shidong DING

Inventor
CN

Overview

2→
Patents
2024–2025
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.

C04Bprimary
C04BLime, magnesia20%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds20%
C08JWorking-up20%
C09KMaterials for miscellaneous applications, not provided for elsewhere20%
E21BEarth or rock drilling20%
PatentTitleYear
12,297,149Multiphase particle, manufacturing process and use thereof202511,920,437Well drilling acceleration tool2024

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2024–2025Patents assigned to CHINA PETROLEUM & CHEM CORP (2)· patent assignee history
2024Patents assigned to SINOPEC PETROLEUM ENGINEERING TECH RESEARCH INSTITUTE CO LTD (1)· patent assignee history
2024–2025Based in CN· patent location history
2025Patents assigned to PETROLEUM ENGINEERING RES INSTITUTE SINOPEC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHINA PETROLEUM & CHEM CORP22024–2025
PETROLEUM ENGINEERING RES INSTITUTE SINOPEC12025
SINOPEC PETROLEUM ENGINEERING TECH RESEARCH INSTITUTE CO LTD12024
Locations
LocationPatentsSpan
CN22024–2025