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Inventor

John C. Coburn

Inventor
Wilmington, DE, US

Overview

2→
Patents
1992–1994
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C08Lprimary
C08LCompositions of macromolecular compounds20%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds10%
C08JWorking-up10%
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons10%
H01GCapacitors10%
H05KPrinted circuits10%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1010%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1010%
Y10TTechnical subjects covered by former us classification10%
PatentTitleYear
5,366,781'Oriented, shape articles of lyotropic/thermally-consolidatable polymer blends'19945,166,292'Process for preparing a polyimide film with a preselected value for CTE'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1994Patents assigned to DU PONT (2)· patent assignee history
1992Based in Newton, PA, US· patent location history
1994Based in Wilmington, DE, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DU PONT21992–1994
Locations
LocationPatentsSpan
Wilmington, Delaware, US11994
Newton, Pennsylvania, US11992