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Inventor

RUNTONG ZHANG

Inventor
CN

Overview

2→
Patents
2022–2025
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.

B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry33%
C07CAcyclic or carbocyclic compounds33%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium33%
PatentTitleYear
12,195,489Spiro-bisphosphorous compound, and preparation and application thereof202511,306,112Biphenyl tetradentate phosphite compound: preparation method and application thereof2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2025Patents assigned to GUANGDONG OXO CHEM LTD (2)· patent assignee history
2022Patents assigned to HUIZHOU CATALYS TECH CO LTD (1)· patent assignee history
2022–2025Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GUANGDONG OXO CHEM LTD22022–2025
HUIZHOU CATALYS TECH CO LTD12022
Locations
LocationPatentsSpan
CN22022–2025