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Inventor

Elliott W. Johnson

Inventor
Friendswood, TX, US

Overview

2→
Patents
1998–2013
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B01Dprimary
B01DSeparation50%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds50%
PatentTitleYear
8,487,053'Methods for removing polymer skins from reactor walls'20135,749,944'Process and apparatus for the removal of dimethyl ester vapors or particles emitted during the storage of dimethyl esters'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998Patents assigned to EASTMAN CHEM CO (1)· patent assignee history
1998Based in Kingsport, TN, US· patent location history
2013Patents assigned to CHEVRON PHILLIPS CHEMICAL CO (1)· patent assignee history
2013Patents assigned to CYMBALUK TED H (1)· patent assignee history
2013Patents assigned to HENDRICKSON GREGORY G (1)· patent assignee history
2013Patents assigned to HERNANDEZ RICHARD A (1)· patent assignee history
2013Based in Friendswood, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHEVRON PHILLIPS CHEMICAL CO12013
CYMBALUK TED H12013
EASTMAN CHEM CO11998
HENDRICKSON GREGORY G12013
HERNANDEZ RICHARD A12013
Locations
LocationPatentsSpan
Friendswood, Texas, US12013
Kingsport, TN, US11998