Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › 1,3-Alkylene-diazetidine-2,4-diones

1,3-Alkylene-diazetidine-2,4-diones

US Patent 4339381 · Granted Jul 13, 1982

Estimated economic value: $2,117,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Articulated and/or bearing unit2013
Pivoting bearing2009
Steering triangle2005
Axle locating rod2005
Axle suspension for rigid axles of vehicles2003
Bis(isobutyraldimine) of 1,4-diaminobutane in HDI trimer and biuret-based coatin1999
Catalyst and process for producing isocyanate trimers1997
Ball joint for motor vehicles1994
Rigid polyurethane foams with low thermal conductivities1992
Rigid polyurethane foams with low thermal conductivities1991
Use of aqueous sodium or potassium methioninate solution for supplemental mixed 1987
Diisocyanate1986