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Inventor

Jan-Erik sterholm

Inventor
Porvoo, FI

Overview

3→
Patents
1986–1994
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

H01Bprimary
H01BCables33%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds17%
C08LCompositions of macromolecular compounds17%
H05KPrinted circuits17%
H10NElectric solid-state devices not otherwise provided for17%
PatentTitleYear
5,279,769'Method for preparing a conductive polymer'19945,158,707'Conductive plastic composite and its preparation and use'19924,610,809'Doped lignin polymer'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986Patents assigned to RAUMA REPOLA OY (1)· patent assignee history
1986–1994Based in Porvoo, FI· patent location history
1992–1994Patents assigned to NESTE OY (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NESTE OY21992–1994
RAUMA REPOLA OY11986
Locations
LocationPatentsSpan
Porvoo, FI31986–1994