LexDanaLexDanabeta
Inventor

Qunzhen Guo

Inventor
Hangzhou, CN

Overview

1→
Patents
2015
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.

C07Dprimary
C07DHeterocyclic compounds100%
PatentTitleYear
8,957,220'Preparation method of carfentrazone-ethyl'2015

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2015Patents assigned to CAI GUOPING (1)· patent assignee history
2015Patents assigned to GUO QUNZHEN (1)· patent assignee history
2015Patents assigned to LIU WEI (1)· patent assignee history
2015Patents assigned to LUZHOU ORIENTAL AGROCHEMICALS CO LTD (1)· patent assignee history
2015Patents assigned to WANG TANGJUN (1)· patent assignee history
2015Based in Hangzhou, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CAI GUOPING12015
GUO QUNZHENself12015
LIU WEI12015
LUZHOU ORIENTAL AGROCHEMICALS CO LTD12015
WANG TANGJUN12015
Locations
LocationPatentsSpan
Hangzhou, CN12015