Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Cyclic disphosphoric esters, a process for their preparation and their use

Cyclic disphosphoric esters, a process for their preparation and their use

US Patent 5852197 · Granted Dec 22, 1998

Estimated economic value: $943,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Flame-resistant polyurethanes1999
Halogen-free, flame retardant rigid polyurethane foam1998
Flame retardant polymeric compositions1998
Flame-resistant polyurea foam1998
Halogen-free, flame-resistant polymeric compositions1996
Phosphoric acid polyesters and a process for their preparation1995
Flame retardant polymeric compositions1994
Stabilized red phosphorus1992
Phlegmatized red phosphorus1991
Flame-retardant polymer compositions1990
Process for making halogenated phosphonophosphoric acid-esters and their use1990
Stabilized red phosphorus and process for making it1989