Inventor

Wei Xu

Inventor
Sugarland, TX, US

Overview

2→
Patents
1991–2021
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.

C05Cprimary
C05CNitrogenous fertilisers20%
C05GMixtures of fertilisers covered individually by different subclasses of class c0520%
C06BExplosives or thermic compositions20%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium20%
C09KMaterials for miscellaneous applications, not provided for elsewhere20%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to GANSU RESEARCH INSTITUTION OF (1)· patent assignee history
1991Based in Bo Zhou, CN· patent location history
2021Patents assigned to WORLD SOURCE ENTPR LLC (1)· patent assignee history
2021Based in Sugarland, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GANSU RESEARCH INSTITUTION OF11991
WORLD SOURCE ENTPR LLC12021
Locations
LocationPatentsSpan
Sugarland, Texas, US12021
Bo Zhou, CN11991