P

Inventor

SYMENS RAYMOND D

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

TETRA TECH

3 patents
US6730234B2May 4, 2004

Method for regeneration of used halide fluids

TETRA TECH63 citations91
US6036937AMar 14, 2000

Method for producing zinc bromide

TETRA TECH13 citations71
US7087209B2Aug 8, 2006

Method for producing a halide brine

TETRA TECH8 citations69

AMAX INC

3 patents
US3962051AJun 8, 1976

Atmospheric leaching of matte containing iron

AMAX INC20 citations79
US3959097AMay 25, 1976

Selenium rejection during acid leaching of matte

AMAX INC15 citations72
US4094754AJun 13, 1978

Leaching of Ni-Cu-Fe-S matte

AMAX INC6 citations59

EARTH SCIENCES INC

1 patent
US4263148AApr 21, 1981

Process for removing humic matter from phosphoric acid solutions

EARTH SCIENCES INC19 citations80