P
PatentIndex
Search
Landscape
Sign in
Inventor
SORENSEN BRYAN L
US
2 patents
Patents
2 patents
US7771565B2
Aug 10, 2010
Method of pre-treating woodchips prior to mechanical pulping
PACKAGING CORP AMERICA
27 citations
87
US7943008B2
May 17, 2011
Method of pre-treating woodchips prior to mechanical pulping
PACKAGING CORP AMERICA
4 citations
57