Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Polyisocyanurate foam with chloropropane blowing agent

Polyisocyanurate foam with chloropropane blowing agent

US Patent 5064872 · Granted Nov 12, 1991

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Mainly closed cell phenolic foam and process for producing this foam1995
Method for preparing hard polyurethane and polyisocyanurate foams using chloropr1992
Substantially closed cell shaped hard phenol foam and method for preparing that 1990
Substantially closed cell shaped hard phenol foam and method for preparing that 1990