Inventor

Michael E. O'Brien

Inventor

Hainesville, IL, US

Overview

1991–2020

Patent span

Chemistry

Primary field (CPC C)

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

C07Cprimary

C07CAcyclic or carbocyclic compounds13%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients13%

Y02PClimate change mitigation technologies in the production or processing of goods13%

C09DCoating compositions, e.g. paints, varnishes or lacquers9%

Y10TTechnical subjects covered by former us classification9%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds4%

C09KMaterials for miscellaneous applications, not provided for elsewhere4%

E04CStructural elements4%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1991Based in Madison, WI, US· patent location history

1991Based in Eugene, OR, US· patent location history

2010–2016Patents assigned to STEPAN CO (5)· patent assignee history

2010–2016Based in Hainesville, IL, US· patent location history

2013–2016Patents assigned to O'BRIEN MICHAEL E (3)· patent assignee history

2013–2014Patents assigned to DERSHOWITZ DANIEL J (2)· patent assignee history

2013–2014Patents assigned to LAMBERT TIMOTHY L (2)· patent assignee history

2013–2014Patents assigned to LEVINSON MATTHEW I (2)· patent assignee history

2014Based in Hianesville, IL, US· patent location history

2020Based in San Diego, CA, US· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations