Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process for producing flame-resistant foam resins

Process for producing flame-resistant foam resins

US Patent 4258139 · Granted Mar 24, 1981

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Multistage plant culture method and multistage plant culture apparatus for use t1999
Foamable phenolic resin composition and process for preparation thereof1992
Process for producing flexible polyurethane foam1992
Method for producing phenol resin foams and method of making foamed laminates1991
Radiowave absorbing body of the high electrical power-resistant type1990
Platen roll1989
Roll for use in business machine1987
Microcellular polyurethane elastomer and manufacturing method of the same1987
Safety fuel tank containing reticulated polyurethane foam mixture of poly(oxypro1981
Method of producing flexible reticulated polyether polyurethane foams1981
Method of producing a moisture- and heat-resistant flexible polyurethane foam1981
Method for producing flame- and smoke-resistant polyurethane foam sheet by incor1981