Inventor

Donald E. Harper

Inventor
Plainwell, MI, US

Overview

4→
Patents
1998–2002
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

A61Pprimary
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations30%
C07CAcyclic or carbocyclic compounds30%
C07DHeterocyclic compounds30%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium10%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2001Patents assigned to UPJOHN CO (3)· patent assignee history
1998–2002Based in Plainwell, MI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UPJOHN CO31998–2001
Locations
LocationPatentsSpan
Plainwell, MI, US41998–2002