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Inventor

Michael Grahl

Inventor
Leverkusen, DE

Overview

11→
Patents
2001–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 11 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 bonds46%
C09DCoating compositions, e.g. paints, varnishes or lacquers33%
B05DProcesses for applying fluent materials to surfaces, in general4%
C07DHeterocyclic compounds4%
C08LCompositions of macromolecular compounds4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
Y10TTechnical subjects covered by former us classification4%
PatentTitleYear
11,091,584Blocked polyisocyanate composition based on pentamethylene 1,5-diisocyanate202111,059,934Process for producing (cyclo)aliphatic polycarbonate polyols having low reactivity202110,815,330Thermolatently catalysed two-component system20207,919,552'Polyurethane powder lacquer'20117,767,778'Polyurethane powder coating compositions that do not split off blocking agents and have a low stoving temperature'20107,329,717'Polyisocyanate-modified polycarboxylic acids'20087,148,374'Elimination-free powder coating crosslinking agents'20067,148,295'Carboxy-functional crosslinkers for epoxy-functional powder-lacquer binding agents'20066,987,158'Polyadducts containing uretidone groups'20066,423,777'Powder coating cross-linking agents of high functionality which contain uretdione groups and free isocyanate groups'20026,297,343'Powder coating crosslinking agents containing uretdione groups and free isocyanate'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2006Patents assigned to BAYER AG (4)· patent assignee history
2001–2021Based in Leverkusen, DE· patent location history
2006–2011Patents assigned to BAYER MATERIALSCIENCE AG (4)· patent assignee history
2020–2021Patents assigned to COVESTRO DEUTSCHLAND AG (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAYER AG42001–2006
BAYER MATERIALSCIENCE AG42006–2011
COVESTRO DEUTSCHLAND AG32020–2021
Locations
LocationPatentsSpan
Leverkusen, DE112001–2021