Inventor

Rolf-Walter Terwonne

Inventor
Marl, DE

Overview

4→
Patents
1988–2017
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 4 as inventor

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

C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds15%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy15%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution15%
Y02PClimate change mitigation technologies in the production or processing of goods15%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%
B01DSeparation8%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients8%
Y10TTechnical subjects covered by former us classification8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1989Patents assigned to HUELS CHEMISCHE WERKE AG (2)· patent assignee history
1988–2017Based in Marl, DE· patent location history
2017Patents assigned to HYING CHRISTIAN (2)· patent assignee history
2017Patents assigned to PASCALY MATTHIAS (2)· patent assignee history
2017Patents assigned to TERWONNE ROLF-WALTER (2)· patent assignee history
2017Patents assigned to EVONIK DEGUSSA GMBH (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HUELS CHEMISCHE WERKE AG21988–1989
HYING CHRISTIAN22017
PASCALY MATTHIAS22017
TERWONNE ROLF-WALTERself22017
EVONIK DEGUSSA GMBH12017
Locations
LocationPatentsSpan
Marl, DE41988–2017