Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Pre-expanded polypropylene resin beads and process for producing molded object therefrom by in-mold foaming

Pre-expanded polypropylene resin beads and process for producing molded object therefrom by in-mold foaming

US Patent 6607682 · Granted Aug 19, 2003

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Charging control device for hybrid electric vehicle2025
Vehicle controller and vehicle control method2025
Gas turbine engine2025
Polyolefin resin foam particles and production method for same2018
Part-fastening structure2016
Polypropylene resin expanded particles and polypropylene resin in-mold foaming m2015
Expanded polypropylene resin particles, and polypropylene resin in-mold-expanded2014
Expanded polypropylene copolymer resin particles2013
Polypropylene resin pre-expanded particles and in-mold foamed articles prepared 2013
Foamed thermoplastic resin particles and method of producing the foamed particle2012
Method for producing expansion-molded polypropylene-based resin article2012
Pre-expanded particulate polypropylene-based resin and in-mold expansion molded 2011