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Inventor

Dirk Steinmeister

Inventor
Leverkusen, DE

Overview

3→
Patents
2017–2019
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 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 bonds27%
B29CShaping or joining of plastics18%
C08JWorking-up18%
B01FMixing, e.g. dissolving, emulsifying or dispersing9%
B29BPreparation or pretreatment of the material to be shaped9%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts9%
C08LCompositions of macromolecular compounds9%
PatentTitleYear
10,414,853Method of manufacturing of press materials20199,834,655Polyurethane foam and method for producing same20179,718,936'Method for producing a hard polyurethane-polyisocyanurate foamed material'2017

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2017–2019Patents assigned to COVESTRO DEUTSCHLAND AG (2)· patent assignee history
2017Patents assigned to CONVESTRO DEUTSCHLAND AG (1)· patent assignee history
2017Patents assigned to FRIEDERICHS WOLFGANG (1)· patent assignee history
2017Patents assigned to LINDNER STEFAN (1)· patent assignee history
2017Patents assigned to MOERS STEPHAN (1)· patent assignee history
2017–2019Based in Leverkusen, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
COVESTRO DEUTSCHLAND AG22017–2019
CONVESTRO DEUTSCHLAND AG12017
FRIEDERICHS WOLFGANG12017
LINDNER STEFAN12017
MOERS STEPHAN12017
Locations
LocationPatentsSpan
Leverkusen, DE32017–2019