Inventor

Heinz-Dietmar Gewiss

Inventor
Meerbusch, DE

Overview

4→
Patents
2007–2018
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.

C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds19%
C08LCompositions of macromolecular compounds19%
C09DCoating compositions, e.g. paints, varnishes or lacquers19%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds13%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients13%
C08JWorking-up6%
C09JAdhesives6%
Y10TTechnical subjects covered by former us classification6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007Patents assigned to GEWISS HEINZ-DIETMAR (1)· patent assignee history
2007–2018Based in Meerbusch, DE· patent location history
2017–2018Patents assigned to COVESTRO DEUTSCHLAND AG (3)· patent assignee history
2017Patents assigned to BAYER IP GMBH (2)· patent assignee history
2018Patents assigned to BAYER MATERIALSCIENCE AG (1)· patent assignee history
2018Patents assigned to BENECKE KALIKO AG (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
COVESTRO DEUTSCHLAND AG32017–2018
BAYER IP GMBH22017
BAYER MATERIALSCIENCE AG12018
BENECKE KALIKO AG12018
GEWISS HEINZ-DIETMARself12007
Locations
LocationPatentsSpan
Meerbusch, DE42007–2018