Inventor

Heinz Riemer

Inventor
Bottrop, DE

Overview

13→
Patents
1984–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 13 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 bonds21%
C04BLime, magnesia10%
C09KMaterials for miscellaneous applications, not provided for elsewhere10%
C08JWorking-up7%
C11DDetergent compositions7%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%
C07CAcyclic or carbocyclic compounds3%
C07DHeterocyclic compounds3%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%
C09DCoating compositions, e.g. paints, varnishes or lacquers3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1997Patents assigned to HUELS CHEMISCHE WERKE AG (11)· patent assignee history
1984–1997Based in Bottrop, DE· patent location history
1990Patents assigned to INFAS INST FUR ANGEWANDTE SOZI (1)· patent assignee history
1990Based in Cologne, DE· patent location history
1997Patents assigned to CHEMETALL GMBH (1)· patent assignee history
2021Patents assigned to XIEON NETWORKS SARL (1)· patent assignee history
2021Based in Lisbon, PT· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HUELS CHEMISCHE WERKE AG111984–1997
CHEMETALL GMBH11997
INFAS INST FUR ANGEWANDTE SOZI11990
XIEON NETWORKS SARL12021
Locations
LocationPatentsSpan
Bottrop, DE111984–1997
Lisbon, PT12021
Cologne, DE11990