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Inventor

Tobias Keller

Inventor
Ludwigshafen, DE

Overview

4→
Patents
2019–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

C07Dprimary
C07DHeterocyclic compounds27%
B01DSeparation18%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry18%
Y02PClimate change mitigation technologies in the production or processing of goods18%
C07CAcyclic or carbocyclic compounds9%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds9%
PatentTitleYear
10,676,451Process for purifying propylene oxide202010,544,116Process for purifying propylene oxide202010,538,480Process for the production of di- and polyamines of the diphenylmethane series202010,435,381Process for preparing propylene oxide2019

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2019–2020Patents assigned to BASF SE (3)· patent assignee history
2019–2020Patents assigned to DOW GLOBAL TECHNOLOGIES LLC (2)· patent assignee history
2019–2020Based in Ludwigshafen, DE· patent location history
2020Patents assigned to COVESTRO DEUTSCHLAND AG (1)· patent assignee history
2020Based in Holziken, CH· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BASF SE32019–2020
DOW GLOBAL TECHNOLOGIES LLC22019–2020
COVESTRO DEUTSCHLAND AG12020
Locations
LocationPatentsSpan
Ludwigshafen, DE32019–2020
Holziken, CH12020