Inventor

Jürgen Köcher

Inventor
Langenfeld, DE

Overview

18→
Patents
1992–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 18 as inventor

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

C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds22%
C07DHeterocyclic compounds12%
C09DCoating compositions, e.g. paints, varnishes or lacquers10%
Y10TTechnical subjects covered by former us classification8%
C08JWorking-up6%
G01NInvestigating or analysing materials by determining their chemical or physical properties6%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%
C07HSugars4%
D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials4%
A61LMethods or apparatus for sterilising materials or objects in general2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1994Patents assigned to MILES INC (4)· patent assignee history
1992–1994Based in Cologne, DE· patent location history
1994–2020Based in Langenfeld, DE· patent location history
1996–2006Patents assigned to BAYER AG (7)· patent assignee history
1996Based in West Haven, CT, US· patent location history
2006–2018Patents assigned to BAYER MATERIALSCIENCE AG (5)· patent assignee history
2018–2020Patents assigned to COVESTRO DEUTSCHLAND AG (3)· patent assignee history
2020Patents assigned to Covestro Deutschalnd AG (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAYER AG71996–2006
BAYER MATERIALSCIENCE AG52006–2018
MILES INC41992–1994
COVESTRO DEUTSCHLAND AG32018–2020
Covestro Deutschalnd AG12020
Locations
LocationPatentsSpan
Langenfeld, DE141994–2020
Cologne, DE31992–1994
West Haven, CT, US11996