Stefan Erren

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Kallstadt, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing bleached wood fibre material
- Patent number 11,015,290
- Issue date May 25, 2021
- BASF SE
- Stefan Erren
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Sealed reusable bulk material container
- Patent number 11,001,439
- Issue date May 11, 2021
- BASF SE
- Stefan Erren
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Use of sodium dithionite in pulping
- Patent number 9,121,135
- Issue date Sep 1, 2015
- BASF SE
- Stefan Erren
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for the production of bleached wood particles and pale to w...
- Patent number 8,784,607
- Issue date Jul 22, 2014
- BASF SE
- Dieter Schoenhaber
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Sulfonated and oxidized indene polymers
- Patent number 5,753,775
- Issue date May 19, 1998
- BASF Aktiengesellschaft
- Eberhard Beckmann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING BLEACHED WOOD FIBRE MATERIAL
- Publication number 20180216292
- Publication date Aug 2, 2018
- BASF SE
- Stefan ERREN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
SEALED REUSABLE BULK MATERIAL CONTAINER
- Publication number 20180208394
- Publication date Jul 26, 2018
- BASF SE
- Stefan ERREN
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
USE OF SODIUM DITHIONITE IN PULPING
- Publication number 20140158315
- Publication date Jun 12, 2014
- BASF SE
- Stefan Erren
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESS FOR THE PRODUCTION OF BLEACHED WOOD PARTICLES AND PALE TO W...
- Publication number 20100132898
- Publication date Jun 3, 2010
- BASF SE
- Dieter Schoenhaber
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE