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Inventor

Guan-Dao Lei

Inventor
Walnut Creek, CA, US

Overview

2→
Patents
2018–2021
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.

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes17%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations17%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry17%
C01BNon-metallic elements17%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds17%
C07CAcyclic or carbocyclic compounds17%
PatentTitleYear
11,001,502Molecular sieve SSZ-91, methods for preparing SSZ-91, and uses for SSZ-91202110,022,365Liposome of irinotecan or irinotecan hydrochloride and preparation method thereof2018

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2018Patents assigned to JIANGSU HENGRUI MEDICINE CO (1)· patent assignee history
2018Patents assigned to Shanghai hengrui pharmaceutical co ltd (1)· patent assignee history
2018Based in Shanghai, CN· patent location history
2021Patents assigned to CHEVRON USA INC (1)· patent assignee history
2021Based in Walnut Creek, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHEVRON USA INC12021
JIANGSU HENGRUI MEDICINE CO12018
Shanghai hengrui pharmaceutical co ltd12018
Locations
LocationPatentsSpan
Walnut Creek, California, US12021
Shanghai, CN12018