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Inventor

Theodore M. Classen

Inventor
Liberty, MO, US

Overview

3→
Patents
1985–1992
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C10Gprimary
C10GCracking hydrocarbon oils43%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry29%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests29%
PatentTitleYear
5,133,941'Apparatus for hydrogenating hydrocarbons'19924,995,961'Process and apparatus for hydrogenating hydrocarbons'19914,521,293'Oil recovery'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985Patents assigned to CLASSEN THEODORE M (1)· patent assignee history
1985Patents assigned to SCINTA JAMES (1)· patent assignee history
1985Based in Washington, DC, US· patent location history
1991–1992Patents assigned to PHILLIPS PETROLEUM CO (2)· patent assignee history
1991–1992Based in Liberty, MO, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PHILLIPS PETROLEUM CO21991–1992
CLASSEN THEODORE Mself11985
SCINTA JAMES11985
Locations
LocationPatentsSpan
Liberty, MO, US21991–1992
Washington, DC, US11985