Inventor

HELGESON ROGER C

US4 patents

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

TECHNICON INSTR

3 patents

US4859606AAug 22, 1989

Method for detecting cations in a test sample utilizing chromogenic cryptahemispherands

TECHNICON INSTR23 citations81

US4992381AFeb 12, 1991

Method of detecting electrolytes in an aqueous test sample using chromogenic hemispherands and test device therefor

TECHNICON INSTR9 citations72

US5011924AApr 30, 1991

Chromogenic cryptahemispherands and their preparation

TECHNICON INSTR4 citations61

MILES INC

1 patent

US5177221AJan 5, 1993

Chromogenic hemispherands and their preparation

MILES INC8 citations72