Inventor

GUANNENG YU

Inventor
CN

Overview

1→
Patents
2023
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.

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes17%
C07BGeneral methods of organic chemistry17%
C07CAcyclic or carbocyclic compounds17%
C07DHeterocyclic compounds17%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium17%
Y02PClimate change mitigation technologies in the production or processing of goods17%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2023Patents assigned to ZHEJIANG AUSUN PHARMACEUTICAL CO LTD (1)· patent assignee history
2023Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ZHEJIANG AUSUN PHARMACEUTICAL CO LTD12023
Locations
LocationPatentsSpan
CN12023