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Inventor

Zhen-jia Chen

Inventor
Bothell, WA, US

Overview

5→
Patents
2000–2002
Patent span
Chemistry
Primary field (CPC C)

Patents· 5 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C07Dprimary
C07DHeterocyclic compounds83%
A61KPreparations for medical, dental or toiletry purposes17%
PatentTitleYear
6,458,823'Diaminopyrazoles'20026,319,941'Diaminopyrazoles'20016,313,149'Diaminopyrazoles'20016,172,222'Diaminopyrazoles'20016,133,273'Pyrazolopyrimidine-2,4-dione sulfonamides'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2001Patents assigned to AMERICAN HOME PROD (4)· patent assignee history
2000–2002Based in Bothell, WA, US· patent location history
2002Patents assigned to WYETH CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AMERICAN HOME PROD42000–2001
WYETH CORP12002
Locations
LocationPatentsSpan
Bothell, Washington, US52000–2002