Inventor
MATHIS RONALD D
US27 patents
⚠️ This page may combine multiple inventors who share the name “MATHIS RONALD D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PHILLIPS PETROLEUM CO
24 patentsUS4535117AAug 13, 1985
Stabilization of polyphenylene sulfide
PHILLIPS PETROLEUM CO32 citations92
US4500706AFeb 19, 1985
Method of producing extrusion grade poly(arylene sulfide)
PHILLIPS PETROLEUM CO51 citations92
US4418029ANov 29, 1983
Stabilized polyphenylene sulfide fiber
PHILLIPS PETROLEUM CO34 citations92
US4185004AJan 22, 1980
Multi-component stabilizing system for pigmented polyolefins
PHILLIPS PETROLEUM CO22 citations82
US4421910ADec 20, 1983
Polymer stabilization
PHILLIPS PETROLEUM CO8 citations74
US4035323AJul 12, 1977
Stabilization of olefin polymers
PHILLIPS PETROLEUM CO12 citations74
US4411853AOct 25, 1983
Polymer stabilization
PHILLIPS PETROLEUM CO10 citations73
US4405745ASep 20, 1983
Polymer stabilization
PHILLIPS PETROLEUM CO15 citations73
US4956408ASep 11, 1990
Complex acrylates as stabilizer for conjugated diene/monovinyl aromatic copolymers
PHILLIPS PETROLEUM CO7 citations71
US4756855AJul 12, 1988
Automatic method for sorting plastic pellets
PHILLIPS PETROLEUM CO12 citations69
US4548971AOct 22, 1985
Polymer compositions
PHILLIPS PETROLEUM CO8 citations67
US4543224ASep 24, 1985
Polymer stabilization
PHILLIPS PETROLEUM CO6 citations62
US4478969AOct 23, 1984
Polymer stabilization
PHILLIPS PETROLEUM CO3 citations62
US4445941AMay 1, 1984
Process for cleaning metal surfaces
PHILLIPS PETROLEUM CO2 citations62
US4435221AMar 6, 1984
Process for cleaning metal surfaces of poly(arylene sulfide) deposits
PHILLIPS PETROLEUM CO3 citations62
US4434122AFeb 28, 1984
Polymer stabilization
PHILLIPS PETROLEUM CO6 citations62
US4413081ANov 1, 1983
Polymer stabilization
PHILLIPS PETROLEUM CO3 citations62
US4059653ANov 22, 1977
Antistatic dyeable polyamide composition
PHILLIPS PETROLEUM CO4 citations62
US4052351AOct 4, 1977
Stabilization of olefin polymers
PHILLIPS PETROLEUM CO5 citations62
US4781559ANov 1, 1988
Plastic pellet sorting apparatus with extruded side-stream monitoring
PHILLIPS PETROLEUM CO3 citations58
US4025488AMay 24, 1977
Ultraviolet light stabilized α-olefins
PHILLIPS PETROLEUM CO1 citations51
US3959218AMay 25, 1976
Ultraviolet light stabilizing system
PHILLIPS PETROLEUM CO1 citations51
US3933707AJan 20, 1976
Dyeable polymers of alpha-olefins containing a nickel salt and a terephthalic ester
PHILLIPS PETROLEUM CO0 citations49
US4447597AMay 8, 1984
Method for adjusting arylene sulfide polymer cure rates
PHILLIPS PETROLEUM CO1 citations47