Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Preparation of propylene homopolymers or copolymers

Preparation of propylene homopolymers or copolymers

US Patent 4442271 · Granted Apr 10, 1984

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Gas-phase fluidized-bed reactor2007
Gas-phase fluidized-bed reactor2005
Gas-phase fluidized-bed reactor2004
Equipment system for agricultural ground soil preparation1993
Low pressure copolymerization of ethylene with .alpha.-olefins and ethylene copo1991
Closed hollow support1990
Preparation of finely divided homopolymers and copolymers of ethene using a liqu1988
Arrangement for discharging hot air from the engine compartment of motor vehicle1985
Preparation of propylene/ethylene block copolymers1984
Self-supporting stirrer for mixing a bed of free-flowing solids1983
Forward longitudinal bearer supported at the vehicle end wall of a self-supporti1980
Spiral stirrer unsupported at one end1980