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Geesje Klasina Spijkerman
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Deventer, NL
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Patents Grants
last 30 patents
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Patent Grant
Formulation of di(4-tert-butylcyclohexyl) peroxydicarbonate
Patent number
11,629,240
Issue date
Apr 18, 2023
Nouryon Chemicals International B.V.
Geesje Klasina Spijkerman
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Powder mixture comprising organic peroxide
Patent number
11,220,608
Issue date
Jan 11, 2022
Nouryon Chemicals International B.V.
Geesje Klasina Spijkerman
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Formulation of di(4-tert-butylcyclohexyl) peroxydicarbonate
Patent number
10,689,337
Issue date
Jun 23, 2020
NOURYON CHEMICALS INTERNATIONAL B.V.
Geesje Klasina Spijkerman
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing a masterbatch of polymer additive
Patent number
10,059,816
Issue date
Aug 28, 2018
Akzo Nobel Chemicals International B.V.
Geesje Klasina Spijkerman
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Extrusion process for enhancing the melt strength of polypropylene
Patent number
6,323,289
Issue date
Nov 27, 2001
Akzo Nobel NV
Andreas Herman Hogt
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
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Patent Application
FORMULATION OF DI(4-TERT-BUTYLCYCLOHEXYL) PEROXYDICARBONATE
Publication number
20210009786
Publication date
Jan 14, 2021
NOURYON CHEMICALS INTERNATIONAL B.V.
Geesje Klasina SPIJKERMAN
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POWDER MIXTURE COMPRISING ORGANIC PEROXIDE
Publication number
20200299522
Publication date
Sep 24, 2020
NOURYON CHEMICALS INTERNATIONAL B.V.
Geesje Klasina SPIJKERMAN
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
FORMULATION OF DI(4-TERT-BUTYLCYCLOHEXYL) PEROXYDICARBONATE
Publication number
20190185425
Publication date
Jun 20, 2019
Akzo Nobel Chemicals International B.V.
Geesje Klasina SPIJKERMAN
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for Preparing a Masterbatch of Polymer Additive
Publication number
20170342222
Publication date
Nov 30, 2017
Akzo Nobel Chemicals International B.V.
Geesje Klasina SPIJKERMAN
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
FLAME RETARDANT POLYOLEFIN COMPOSITION
Publication number
20110160363
Publication date
Jun 30, 2011
Akzo Nobel N.V.
Andreas Herman Hogt
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
FLAME RETARDANT POLYOLEFIN COMPOSITION
Publication number
20110152412
Publication date
Jun 23, 2011
AKZO NOBEL N.V..
Andreas Herman Hogt
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...