Inventor

Stephen J. Hsia

Inventor
Baton Rouge, LA, US

Overview

5→
Patents
1993–2008
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.

B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry27%
C10GCracking hydrocarbon oils27%
B01DSeparation13%
C07CAcyclic or carbocyclic compounds13%
C01BNon-metallic elements7%
C10KPurifying or modifying the chemical composition of combustible gases containing carbon monoxide7%
Y02PClimate change mitigation technologies in the production or processing of goods7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2001Patents assigned to EXXON RESEARCH ENGINEERING CO (4)· patent assignee history
1993–2008Based in Baton Rouge, LA, US· patent location history
2008Patents assigned to EXXONMOBIL RES & ENG CO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EXXON RESEARCH ENGINEERING CO41993–2001
EXXONMOBIL RES & ENG CO12008
Locations
LocationPatentsSpan
Baton Rouge, LA, US51993–2008