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Paulus Pieter De Wit
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Westervoort, NL
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Patents Grants
last 30 patents
Information
Patent Grant
Cellulose processing
Patent number
11,739,197
Issue date
Aug 29, 2023
COOPERATIE KONINKLIJKE COSUN U.A.
Conrardus Hubertus Joseph Theeuwen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process to prepare crosslinked cellulose ethers, crosslinked cellul...
Patent number
9,914,786
Issue date
Mar 13, 2018
Akzo Nobel Chemicals International B.V.
Paulus Pieter De Wit
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process to prepare crosslinked cellulose ethers, crosslinked cellul...
Patent number
9,115,217
Issue date
Aug 25, 2015
Akzo Nobel N.V.
Paulus Pieter De Wit
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Temperature matched retardation layer
Patent number
6,088,077
Issue date
Jul 11, 2000
Akzo Nobel N.V.
Paulus Pieter De Wit
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Liquid crystalline and infrared-sensitive liquid-crystalline polyes...
Patent number
5,525,265
Issue date
Jun 11, 1996
Akzo Nobel N.V.
Paulus P. de Wit
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Thermochromic infrared dyes
Patent number
5,426,143
Issue date
Jun 20, 1995
Akzo Nobel N.V.
Paulus P. de Wit
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Liquid-crystalline polyurethanes, compositions of said liquid-cryst...
Patent number
5,395,910
Issue date
Mar 7, 1995
Akzo Nobel N.V.
Paulus P. de Wit
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
CELLULOSE PROCESSING
Publication number
20230357542
Publication date
Nov 9, 2023
Coöperatie Koninklijke Cosun U.A.
Conrardus Hubertus Joseph THEEUWEN
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Structuring agents
Publication number
20220227970
Publication date
Jul 21, 2022
NOURYON CHEMICALS INTERNATIONAL B.V.
Paulus Pieter De Wit
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
COMPOSITIONS COMPRISING FIBRILLATED CELLULOSE AND NON-IONIC CELLULO...
Publication number
20220213297
Publication date
Jul 7, 2022
NOURYON CHEMICALS INTERNATIONAL B.V.
Paulus Pieter De Wit
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
CELLULOSE PROCESSING
Publication number
20200270429
Publication date
Aug 27, 2020
Coöperatie Koninklijke Cosun U.A.
Conrardus Hubertus Joseph Theeuwen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PROCESS TO PREPARE CROSSLINKED CELLULOSE ETHERS, CROSSLINKED CELLU...
Publication number
20150307631
Publication date
Oct 29, 2015
Akzo Nobel N.V.
Paulus Pieter De Wit
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PROCESS TO PREPARE CROSSLINKED CELLULOSE ETHERS, CROSSLINKED CELLUL...
Publication number
20110040085
Publication date
Feb 17, 2011
Akzo Nobel N.V.
Paulus Pieter De Wit
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Depolymerization of water soluble polysaccharides
Publication number
20050209449
Publication date
Sep 22, 2005
AKZO NOBEL N.V.
Paulus Pieter De Wit
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...