Inventor

Franklin H. Barrows

Inventor
Waterbury, CT, US

Overview

23→
Patents
1976–2005
Patent span
Chemistry
Primary field (CPC C)

Patents· 23 as inventor

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

C08Kprimary
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients28%
C07DHeterocyclic compounds25%
C07CAcyclic or carbocyclic compounds15%
C08JWorking-up10%
C09KMaterials for miscellaneous applications, not provided for elsewhere5%
C10MLubricating compositions5%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions5%
B60CVehicle tyres3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
Y10TTechnical subjects covered by former us classification3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1981Patents assigned to UNIROYAL INC (6)· patent assignee history
1976–1981Based in Beacon Falls, CT, US· patent location history
1988–2005Patents assigned to UNIROYAL CHEM CO INC (16)· patent assignee history
1988–1992Based in Naugatuck, CT, US· patent location history
1990–2005Based in Waterbury, CT, US· patent location history
2001Patents assigned to CK WITCO CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNIROYAL CHEM CO INC161988–2005
UNIROYAL INC61976–1981
CK WITCO CORP12001
Locations
LocationPatentsSpan
Waterbury, CT, US121990–2005
Beacon Falls, CT, US61976–1981
Naugatuck, CT, US51988–1992