Inventor

Charles H. Spilman

Inventor
Kalamazoo, MI, US

Overview

5→
Patents
1993–1997
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 compounds33%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations25%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium25%
A61KPreparations for medical, dental or toiletry purposes8%
C07CAcyclic or carbocyclic compounds8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–1997Patents assigned to UPJOHN CO (5)· patent assignee history
1993–1997Based in Kalamazoo, MI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UPJOHN CO51993–1997
Locations
LocationPatentsSpan
Kalamazoo, MI, US51993–1997