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Inventor

Dirk Weißenberg

Inventor
Leverkusen, DE

Overview

2→
Patents
2012–2019
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry33%
C01BNon-metallic elements33%
B01DSeparation17%
Y02PClimate change mitigation technologies in the production or processing of goods17%
PatentTitleYear
10,307,727Method for processing hydrogen chloride from isocyanate preparation20198,337,703'Processes for the regeneration of an anion exchanger loaded with hexachlorostannate'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012Patents assigned to BAYER MATERIALSCIENCE AG (1)· patent assignee history
2012Patents assigned to ERWE TORSTEN (1)· patent assignee history
2012Patents assigned to WEIBETAENBERG DIRK (1)· patent assignee history
2012Patents assigned to WERNER KNUD (1)· patent assignee history
2012–2019Based in Leverkusen, DE· patent location history
2019Patents assigned to COVESTRO DEUTSCHLAND AG (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAYER MATERIALSCIENCE AG12012
COVESTRO DEUTSCHLAND AG12019
ERWE TORSTEN12012
WEIBETAENBERG DIRK12012
WERNER KNUD12012
Locations
LocationPatentsSpan
Leverkusen, DE22012–2019