Geert-Jan Witkamp

Person

Bergschenhoek, NL

People

Patents Grantslast 30 patents

Information Patent Grant
Process for extracting materials from biological material
- Patent number 10,865,334
- Issue date Dec 15, 2020
- Universiteit Leiden
- Jacob van Spronsen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for the preparation of 2,5-furandicarboxylic acid
- Patent number 9,938,547
- Issue date Apr 10, 2018
- Technische Universiteit Delft
- Jacob van Spronsen
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Process for extracting materials from biological material
- Patent number 9,441,146
- Issue date Sep 13, 2016
- Universiteit Leiden
- Jacob van Spronsen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Treatment of aqueous solutions
- Patent number 9,371,242
- Issue date Jun 21, 2016
- Technische Universiteit Delft
- Jacob Van Spronsen
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Crystallisation of materials from aqueous solutions
- Patent number 7,127,913
- Issue date Oct 31, 2006
- Technische Universiteit Delft
- Geert-Jan Witkamp
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Method for the preparation of lactic acid and calcium sulphate dihy...
- Patent number 6,747,173
- Issue date Jun 8, 2004
- Purac Biochem B.V.
- Markus Gerkema
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the preparation of lactic acid and calcium sulphate dihy...
- Patent number 6,632,966
- Issue date Oct 14, 2003
- Purac Biochem B.V.
- Markus Gerkema
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of sodium carbonate anhydrate
- Patent number 6,514,475
- Issue date Feb 4, 2003
- Technische Universiteit Delft
- Harald Oosterhof
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Production of water-free soda
- Patent number 6,334,989
- Issue date Jan 1, 2002
- Technische Universiteit Delft
- Johannes Albertus Maria Meijer
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR THE PREPARATION OF 2,5-FURANDICARBOXYLIC ACID
- Publication number 20160145662
- Publication date May 26, 2016
- Technische Universiteit Delft
- Jacob van Spronsen
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
Method for Producing Calcium Carbonate Gel and Product Obtained The...
- Publication number 20150344319
- Publication date Dec 3, 2015
- S. A. Lhoist Recherche et Developpement
- Geert Jan Witkamp
- C01 - INORGANIC CHEMISTRY
Information Patent Application
TREATMENT OF AQUEOUS SOLUTIONS
- Publication number 20140374361
- Publication date Dec 25, 2014
- Jacob Van Spronsen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR EXTRACTING MATERIALS FROM BIOLOGICAL MATERIAL
- Publication number 20140341934
- Publication date Nov 20, 2014
- Jacob van Spronsen
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
PROCESS FOR EXTRACTING MATERIALS FROM BIOLOGICAL MATERIAL
- Publication number 20130149322
- Publication date Jun 13, 2013
- Universiteit Leiden
- Jacob van Spronsen
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Crystallizer With Internal Scraped Cooled Wall and Method of Use Th...
- Publication number 20100186444
- Publication date Jul 29, 2010
- Technische Universiteit Delft
- J. A. Evers
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Treatment of Molybdate Containing Waste Streams
- Publication number 20100115988
- Publication date May 13, 2010
- Technische Universiteit Delft
- Geert-Jan Witkamp
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Crystallisation of materials from aqueous solutions
- Publication number 20040060322
- Publication date Apr 1, 2004
- Geert-Jan Witkamp
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Application
Method for the preparation of lactic acid and calcium sulphate dihy...
- Publication number 20030125581
- Publication date Jul 3, 2003
- Markus Gerkema
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method for the preparation of lactic acid and calcium sulphate dihy...
- Publication number 20030044944
- Publication date Mar 6, 2003
- Purac Biochem B.V.
- Markus Gerkema
- C01 - INORGANIC CHEMISTRY

Geert-Jan Witkamp

Person

Patents Grantslast 30 patents

Process for extracting materials from biological material

Process for the preparation of 2,5-furandicarboxylic acid

Process for extracting materials from biological material

Treatment of aqueous solutions

Crystallisation of materials from aqueous solutions

Method for the preparation of lactic acid and calcium sulphate dihy...

Method for the preparation of lactic acid and calcium sulphate dihy...

Process for the production of sodium carbonate anhydrate

Production of water-free soda

Patents Applicationslast 30 patents

PROCESS FOR THE PREPARATION OF 2,5-FURANDICARBOXYLIC ACID

Method for Producing Calcium Carbonate Gel and Product Obtained The...

TREATMENT OF AQUEOUS SOLUTIONS

PROCESS FOR EXTRACTING MATERIALS FROM BIOLOGICAL MATERIAL

PROCESS FOR EXTRACTING MATERIALS FROM BIOLOGICAL MATERIAL

Crystallizer With Internal Scraped Cooled Wall and Method of Use Th...

Treatment of Molybdate Containing Waste Streams

Crystallisation of materials from aqueous solutions

Method for the preparation of lactic acid and calcium sulphate dihy...

Method for the preparation of lactic acid and calcium sulphate dihy...