Inventor

STAIN DONALD B

US6 patents

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

PRODECO INC

2 patents

US4588573AMay 13, 1986

Method for the production of potassium sulfate using sulfuric acid and potassium chloride

PRODECO INC31 citations90

US4554151ANov 19, 1985

Process for producing K3 H(SO4)2 crystals and potassium sulfate crystals

PRODECO INC21 citations80

UNC RECOVERY CORP

2 patents

US4439405AMar 27, 1984

Method for varying the mixing time and proportions in the contacting of substantially immiscible liquids

UNC RECOVERY CORP10 citations66

US4404173ASep 13, 1983

Apparatus for contacting substantially immiscible liquids

UNC RECOVERY CORP12 citations66

UNC RECLAMATION

1 patent

US4956154ASep 11, 1990

Selective removal of chromium, nickel, cobalt, copper and lead cations from aqueous effluent solutions

UNC RECLAMATION23 citations87

PHOSPHATE ENGINEERING & CONSTR

1 patent

US4885148ADec 5, 1989

Production of monobasic potassium phosphate with low chloride content from potassium chloride and phosphoric acid produced from the commercial wet process

PHOSPHATE ENGINEERING & CONSTR22 citations80