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Inventor

Jefferson C. Lievense

Inventor
Forsyth, IL, US

Overview

4→
Patents
1989–2012
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.

C12Pprimary
C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture25%
B01DSeparation17%
B82BNanostructures formed by manipulation of individual atoms, molecules, or limited collections of atoms or molecules as discrete units17%
C07CAcyclic or carbocyclic compounds17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
C12NMicroorganisms or enzymes8%
PatentTitleYear
8,183,417'Purification of biologically-produced 1,3-propanediol'20127,919,658'Purification of biologically-produced 1,3-propanediol'20115,045,465'Fermentation process for creatinine iminohydrolase'19914,840,898'High temperature method for the production of ribavirin'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1991Patents assigned to EASTMAN KODAK CO (2)· patent assignee history
1989–1991Based in Rochester, NY, US· patent location history
2011–2012Patents assigned to DU PONT (2)· patent assignee history
2011–2012Based in Forsyth, IL, US· patent location history
2012Patents assigned to ADKESSON DENNIS N (1)· patent assignee history
2012Patents assigned to ALSOP ALBERT W (1)· patent assignee history
2012Patents assigned to AMES TYLER T (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DU PONT22011–2012
EASTMAN KODAK CO21989–1991
ADKESSON DENNIS N12012
ALSOP ALBERT W12012
AMES TYLER T12012
Locations
LocationPatentsSpan
Forsyth, Illinois, US22011–2012
Rochester, New York, US21989–1991