Inventor

RICHARDS THOMAS E

US4 patents

⚠️ This page may combine multiple inventors who share the name “RICHARDS THOMAS E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

OCCIDENTAL CHEM CO

2 patents

US4313919AFeb 2, 1982

Process for removing fine solids from phosphoric acid by vacuum filtration

OCCIDENTAL CHEM CO7 citations68

US4853201AAug 1, 1989

Recovery of P2 O5 values from phosphoric acid hemihydrate crystals

OCCIDENTAL CHEM CO4 citations60

OLIN CORP

1 patent

US4147757AApr 3, 1979

Method for producing ammonium phosphate which is substantially free of arsenic

OLIN CORP7 citations67

RICHARDS THOMAS E

1 patent

US4303524ADec 1, 1981

Rotary vacuum precoat filter

RICHARDS THOMAS E15 citations63