Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Kraft linerboard by densification and heat treatment

Kraft linerboard by densification and heat treatment

US Patent 4692212 · Granted Sep 8, 1987

Estimated economic value: $30,080,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Elemental-chlorine-free bleaching process having an initial Eo or Eop stage2003
Oxidative treatment of bleach plant effluent1997
Apparatus for making paper and paperboard having enhanced gloss1994
Treatment of black liquor with a screw extruder evaporator1992
Method for producing paper products having increased gloss in which surface char1991
Flow rate determination1988
Bleached kraft paperboard by densification and heat treatment1988
Bleached kraft paperboard by densification and heat treatment1988
Bleached kraft paperboard by densification and heat treatment1988
Densification and heat treatment of paperboard produced from SCMP and other sulf1988
Densification and heat treatment of paperboard produced from SCMP and other sulf1988
Densification and heat treatment of paperboard produced from SCMP and other sulf1988