Inventor

Andrew O. Wikman

Inventor
Baton Rouge, LA, US

Overview

4→
Patents
1979–1995
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.

C01Bprimary
C01BNon-metallic elements22%
A62DChemical means for extinguishing fires or for combating or protecting against harmful chemical agents11%
B01DSeparation11%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry11%
C30BSingle-crystal growth11%
F23GCremation furnaces11%
H05BElectric heating11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–1994Patents assigned to ETHYL CORP (3)· patent assignee history
1979–1995Based in Baton Rouge, LA, US· patent location history
1995Patents assigned to ALBEMARLE CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ETHYL CORP31979–1994
ALBEMARLE CORP11995
Locations
LocationPatentsSpan
Baton Rouge, LA, US41979–1995