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Inventor

XIUJIAN XIA

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, magnesia33%
C09KMaterials for miscellaneous applications, not provided for elsewhere33%
E21BEarth or rock drilling17%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management17%
PatentTitleYear
12,497,331High-strength Portland cement slurry for ultra-high temperature cementing, preparation method therefor and application thereof202511,926,787Well cementing method for improving well cementing quality by controlling hydration heat of cement slurry2024

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2024–2025Patents assigned to CNPC ENG TECH RES & DEV CO LTD (2)· patent assignee history
2024Patents assigned to PETROCHINA CO LTD (1)· patent assignee history
2024–2025Based in CN· patent location history
2025Patents assigned to CHINA NAT PETROLEUM CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CNPC ENG TECH RES & DEV CO LTD22024–2025
CHINA NAT PETROLEUM CORP12025
PETROCHINA CO LTD12024
Locations
LocationPatentsSpan
CN22024–2025