Thomas B. Engstrom

Follow

Person

Vallakra, SE

People

Patents Grantslast 30 patents

Information Patent Grant
Method for purifying resin-containing waste liquor in the manufactu...
- Patent number 4,921,613
- Issue date May 1, 1990
- Boliden Aktiebolag
- Cecilia M. Nordberg
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE