Olle Wennberg

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Goteborg, SE

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Patents Grantslast 30 patents

Information Patent Grant
Method of cleaning sulfide contaminated condensates
- Patent number 6,790,313
- Issue date Sep 14, 2004
- Excelentec Holding AB
- Kent K. Sandquist
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Evaporation apparatus for evaporation of liquids
- Patent number 6,210,455
- Issue date Apr 3, 2001
- Kvaerner Pulping AB
- Lars Olausson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for removing metals and recovering a chelating agent from a...
- Patent number 6,024,833
- Issue date Feb 15, 2000
- Kvaerner Pulping AB
- Olle Wennberg
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for producing polysulphide by means of oxidizing sulphide i...
- Patent number 5,993,601
- Issue date Nov 30, 1999
- Kvaerner Pulping AB
- Olle Wennberg
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for the final evaporation of black liquor
- Patent number 5,944,950
- Issue date Aug 31, 1999
- Kvaerner Pulping AB
- Lars Olausson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE