Inventor

Wilfried Hatke

Inventor

Hofheim, DE

Overview

1994–2011

Patent span

Chemistry

Primary field (CPC C)

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

C08Lprimary

C08LCompositions of macromolecular compounds15%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds13%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds13%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%

Y10TTechnical subjects covered by former us classification13%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form10%

C08JWorking-up8%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%

H01GCapacitors5%

B01DSeparation3%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1994–1996Patents assigned to HOECHST CELANESE CORP (2)· patent assignee history

1994Based in Summit, NJ, US· patent location history

1996–2003Based in Hofheim, DE· patent location history

1997–1999Patents assigned to HOECHST AG (5)· patent assignee history

2000–2005Patents assigned to TICONA GMBH (11)· patent assignee history

2004–2011Based in Kelkheim, DE· patent location history

2011Patents assigned to BRUCH MATTHIAS (1)· patent assignee history

2011Patents assigned to HATKE WILFRIED (1)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Locations