Inventor

Joseph S. C. Dumoulin

Inventor

Valleyfield, CA

Overview

1981

Patent span

Performing operations

Primary field (CPC B)

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 chemistry50%

C10GCracking hydrocarbon oils50%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1981Patents assigned to GRACE W R & CO (1)· patent assignee history

1981Based in Valleyfield, CA· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GRACE W R & CO	1	1981

Locations

Location	Patents	Span
Valleyfield, CA	1	1981