LexDanaLexDanabeta
Inventor

Chengtun QU

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.

C02Fprimary
C02FTreatment of water, waste water, sewage, or sludge100%
PatentTitleYear
12,240,776Integrated boron removal and flocculation process for treating fracturing wastewater202511,987,513Method for synergistic degradation treatment of polysaccharide-containing polymer wastewater by controllable--OH radical2024

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2024–2025Patents assigned to UNIV XIAN SHIYOU (2)· patent assignee history
2024–2025Based in CN· patent location history
2025Patents assigned to CHINA NATIONAL PETROLEUM CORPORATION SAFETY AND ENVIRONMENTAL RES INSTITUTE CO LTD (1)· patent assignee history
2025Patents assigned to CHINA NATIONAL PETROLEUM CORPORATION SAFETY AND ENVIRONMENTAL TECH RESEARCH INSTITUTE CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNIV XIAN SHIYOU22024–2025
CHINA NATIONAL PETROLEUM CORPORATION SAFETY AND ENVIRONMENTAL RES INSTITUTE CO LTD12025
CHINA NATIONAL PETROLEUM CORPORATION SAFETY AND ENVIRONMENTAL TECH RESEARCH INSTITUTE CO LTD12025
Locations
LocationPatentsSpan
CN22024–2025