Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method for dissolving aramid polymer in sulfuric acid using a double shaft kneader

Method for dissolving aramid polymer in sulfuric acid using a double shaft kneader

US Patent 8309642 · Granted Nov 13, 2012

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Process for spinning graphene ribbon fibers2015
Method for dissolving PPTA in sulfuric acid using a twin screw extruder2009
Process for the preparation of regenerated cellulose filaments2000
Method for preparing a cellulose formate solution by impregnating and kneading c2000
Process for the preparation of regenerated cellulose filaments1999
Cellulose solutions and products made therefrom1999
Cellulose solutions and products made therefrom1998
Fibres and yarns from a blend of aromatic polyamides1989
Fibers and yarns from a blend of aromatic polyamides1988