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Inventor

Ralph Armbrust

Inventor
Dormagen, DE

Overview

3→
Patents
2005–2012
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C07Cprimary
C07CAcyclic or carbocyclic compounds33%
B01DSeparation17%
C05DInorganic fertilisers not covered by subclasses c05b, c05c17%
C05GMixtures of fertilisers covered individually by different subclasses of class c0517%
Y02PClimate change mitigation technologies in the production or processing of goods17%
PatentTitleYear
8,137,430'Calcium formate fertiliser'20127,211,701'Preparation of trimethylolpropane'20076,933,409'Amination of aromatic hydrocarbons and heterocyclic analogs thereof'2005

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005Patents assigned to BAYER AG (1)· patent assignee history
2005Based in Leverkusen, DE· patent location history
2007–2012Patents assigned to LANXESS DEUTSCHLAND GMBH (2)· patent assignee history
2007–2012Based in Dormagen, DE· patent location history
2012Patents assigned to ARMBRUST RALPH (1)· patent assignee history
2012Patents assigned to BAUR PETER (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LANXESS DEUTSCHLAND GMBH22007–2012
ARMBRUST RALPHself12012
BAUR PETER12012
BAYER AG12005
Locations
LocationPatentsSpan
Dormagen, DE22007–2012
Leverkusen, DE12005