Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Expansion of polymeric microspheres insitu in a rigid PUR/PIR foam formulation using a twin screw extruder

Expansion of polymeric microspheres insitu in a rigid PUR/PIR foam formulation using a twin screw extruder

US Patent 6022912 · Granted Feb 8, 2000

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Pulverulent thermoplastic polymer blends2025
Pulverulent thermoplastic polymer blends2023
Colored article of manufacture and a process for its preparation2012
Apparatus and process for treating an article to impart color and/or enhance the2011
Method of treating a plastic article2009
Method of dyeing a plastic article2007
Composition of matter comprising a dye2006
Energy absorbing flexible foams produced in part with a double metal cyanide cat2006
Process for tinting plastic articles2006
Process for making dyed articles2005
Composition comprising a dye2005
Dip-dyeable polycarbonate process2004