LexDanaLexDanabeta
Inventor

Johannes Koster

Inventor
Dormagen, DE

Overview

6→
Patents
1980–2014
Patent span
Chemistry
Primary field (CPC C)

Patents· 6 as inventor

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

C07Cprimary
C07CAcyclic or carbocyclic compounds33%
B41CProcesses for the manufacture or reproduction of printing surfaces22%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds22%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices22%
PatentTitleYear
8,746,140'Base material for screen-printing'20148,173,216'Method and device for producing a base material for screen-printing, and base material of this type'20124,387,057'New diisocyanates containing sulfur and a process for their preparation'19834,348,536'Odorless catalysts for the synthesis of polyurethanes'19824,195,031'Process for the continuous production of monoisocyanates'19804,195,032'Process for continuously working up solutions of the type accumulating in the phosgenation of monoamines'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1983Patents assigned to BAYER AG (4)· patent assignee history
1980–1982Based in Dormagen, DE· patent location history
1983Based in Steinau an der Strasse, DE· patent location history
2012–2014Patents assigned to BLANKENBORG STEPHANUS GERARDUS JOHANNES (2)· patent assignee history
2012–2014Patents assigned to KOOPMAN WILFRIED FRANCISCUS MARIA (2)· patent assignee history
2012–2014Patents assigned to KOSTER JOHANNES FRANCISCUS GERARDUS (2)· patent assignee history
2012–2014Patents assigned to POELMAN JACOB JACOBUS (2)· patent assignee history
2012Based in Venzelderheide, NL· patent location history
2014Based in Ottersum, NL· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAYER AG41980–1983
BLANKENBORG STEPHANUS GERARDUS JOHANNES22012–2014
KOOPMAN WILFRIED FRANCISCUS MARIA22012–2014
KOSTER JOHANNES FRANCISCUS GERARDUSself22012–2014
POELMAN JACOB JACOBUS22012–2014
Locations
LocationPatentsSpan
Dormagen, DE31980–1982
Ottersum, NL12014
Venzelderheide, NL12012
Steinau an der Strasse, DE11983