Membership
Tour
Register
Log in
Allan F. Gilbert
Follow
Person
Thunder Bay, CA
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Process for removal of potassium values from pulp mill liquors
Patent number
4,249,990
Issue date
Feb 10, 1981
Erco Envirotech Ltd.
Allan F. Gilbert
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE