Inventor

Petr Sehnal

Inventor
York, GB

Overview

13→
Patents
2015–2021
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.

C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds24%
C07CAcyclic or carbocyclic compounds18%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds18%
C08JWorking-up12%
C09DCoating compositions, e.g. paints, varnishes or lacquers12%
C07DHeterocyclic compounds10%
A61LMethods or apparatus for sterilising materials or objects in general2%
C08LCompositions of macromolecular compounds2%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments2%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2015–2021Patents assigned to COLOPLAST AS (11)· patent assignee history
2015–2017Patents assigned to ANDERSON DAVID GEORGE (4)· patent assignee history
2015–2017Patents assigned to NIELSEN CHRISTIAN B (4)· patent assignee history
2015–2017Patents assigned to SEHNAL PETR (4)· patent assignee history
2015–2017Patents assigned to MADSEN NIELS JOERGEN (3)· patent assignee history
2015–2021Based in York, GB· patent location history
2016Based in West Yorkshire, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
COLOPLAST AS112015–2021
ANDERSON DAVID GEORGE42015–2017
NIELSEN CHRISTIAN B42015–2017
SEHNAL PETRself42015–2017
MADSEN NIELS JOERGEN32015–2017
Locations
LocationPatentsSpan
York, GB122015–2021
West Yorkshire, GB12016