Inventor

Michael G. Palfreyman

Inventor
Cincinnati, OH, US

Overview

24→
Patents
1982–1996
Patent span
Chemistry
Primary field (CPC C)

Patents· 24 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes40%
C07CAcyclic or carbocyclic compounds29%
C07DHeterocyclic compounds24%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1983Patents assigned to MERRELL TORAUDE & CO (3)· patent assignee history
1982–1987Based in Fegersheim, FR· patent location history
1987–1996Patents assigned to MERRELL DOW PHARMA (20)· patent assignee history
1989–1996Based in Cincinnati, OH, US· patent location history
1996Patents assigned to MERRELL PHARMA INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MERRELL DOW PHARMA201987–1996
MERRELL TORAUDE & CO31982–1983
MERRELL PHARMA INC11996
Locations
LocationPatentsSpan
Cincinnati, OH, US201989–1996
Fegersheim, FR41982–1987