Inventor

David C. Underwood

Inventor
Cincinnati, OH, US

Overview

12→
Patents
1980–2006
Patent span
Chemistry
Primary field (CPC C)

Patents· 12 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%
C07DHeterocyclic compounds17%
C11DDetergent compositions17%
Y02ATechnologies for adaptation to climate change13%
C11CFatty acids from fats, oils or waxes8%
C07CAcyclic or carbocyclic compounds4%
C25DProcesses for the electrolytic or electrophoretic production of coatings4%
F16JPistons4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1999Patents assigned to PROCTER & GAMBLE (6)· patent assignee history
1980–1999Based in Cincinnati, OH, US· patent location history
1992Patents assigned to OWEN S G LTD (1)· patent assignee history
1992Based in Dunston, GB· patent location history
2000–2006Patents assigned to SMITHKLINE BEECHAM CORP (4)· patent assignee history
2000–2006Based in Ambler, PA, US· patent location history
2004Patents assigned to SMITHLINE BEECHAM CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PROCTER & GAMBLE61980–1999
SMITHKLINE BEECHAM CORP42000–2006
OWEN S G LTD11992
SMITHLINE BEECHAM CORP12004
Locations
LocationPatentsSpan
Cincinnati, OH, US61980–1999
Ambler, Pennsylvania, US52000–2006
Dunston, GB11992