Inventor

Siegfried Kopannia

Inventor

Krefeld, DE

Overview

1996–2020

Patent span

Chemistry

Primary field (CPC C)

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

C09Jprimary

C09JAdhesives22%

C08LCompositions of macromolecular compounds19%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds8%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients8%

G11BInformation storage based on relative movement between record carrier and transducer6%

H01BCables6%

Y10TTechnical subjects covered by former us classification6%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%

C08JWorking-up3%

C09DCoating compositions, e.g. paints, varnishes or lacquers3%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1996–2004Patents assigned to HENKEL KGAA (7)· patent assignee history

1996Based in Duesseldorf, DE· patent location history

1999–2020Based in Krefeld, DE· patent location history

2015–2020Patents assigned to HENKEL AG & CO KGAA (4)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HENKEL KGAA	7	1996–2004
HENKEL AG & CO KGAA	4	2015–2020

Locations

Location	Patents	Span
Krefeld, DE	9	1999–2020
Duesseldorf, DE	2	1996