P
PatentIndex
Search
Landscape
Sign in
Inventor
DOPPENBERG FRANK
CH
2 patents
Patents
2 patents
US5595628A
Jan 21, 1997
Production of pulp by the soda-anthraquinone process (SAP) with recovery of the cooking chemicals
GRANIT SA
170 citations
94
US6239198B1
May 29, 2001
Method for preparing alkaline solutions containing aromatic polymers
GRANIT SA
17 citations
73