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Inventor

Werner Geyer

Inventor
Muehltal, DE

Overview

7→
Patents
1997–2015
Patent span
Chemistry
Primary field (CPC C)

Patents· 7 as inventor

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

C08Jprimary
C08JWorking-up44%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds25%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form13%
Y10TTechnical subjects covered by former us classification13%
B29CShaping or joining of plastics6%
PatentTitleYear
9,212,269'PMI foams with improved mechanical properties, in particular with increased elongation at tear'20158,722,751'Thermostable microporous polymethacrylimide foams'20147,247,694'PMI syrup phases and their use for stabilizing insoluble additives'20077,169,339'Method for producing polymethacrylimide foams'20076,670,405'Method for producing block-shaped polymethacrylimide foamed materials'20035,928,459'Process for the production of polymethacrylimide foam materials'19995,698,605'Flame-resistant polymethacrylimide foams'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2007Patents assigned to ROEHM GMBH (5)· patent assignee history
1997–2014Based in Muehltal, DE· patent location history
2014–2015Patents assigned to BARTHEL THOMAS (2)· patent assignee history
2014–2015Patents assigned to EVONIK ROEHM GMBH (2)· patent assignee history
2014–2015Patents assigned to GEYER WERNER (2)· patent assignee history
2014–2015Patents assigned to JAHN TORSTEN (2)· patent assignee history
2015Based in Brensbach, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ROEHM GMBH51997–2007
BARTHEL THOMAS22014–2015
EVONIK ROEHM GMBH22014–2015
GEYER WERNERself22014–2015
JAHN TORSTEN22014–2015
Locations
LocationPatentsSpan
Muehltal, DE61997–2014
Brensbach, DE12015