Ketil Hasvold

Follow

Person

Sarpsborg, NO

People

Patents Grantslast 30 patents

Information Patent Grant
Method for drying chemical or semichemical wood pulp
- Patent number 4,304,050
- Issue date Dec 8, 1981
- Borregaard Industries Limited
- Birger Morud
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for the production of unbleached sulphite cellulose or bleac...
- Patent number 4,230,524
- Issue date Oct 28, 1980
- Borregaard A/S
- Ketil Hasvold
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE