Patent ID: 11890580
Assignee: WYATT TECHNOLOGY, LLC
Field: Chemical engineering (Chemistry)
Classification: CPC B  G | IPC B

Claim 0:
1. A field flow fractionator comprising:
a top plate assembly comprising
a first non-corrosive material,
at least one top plate o-ring, and
at least three fluid fittings machined into the material;

a spacer, wherein the top plate assembly is sealed to the spacer by the at least one top plate o-ring;
a membrane;
a bottom plate assembly comprising
a second non-corrosive material,
a cavity machined into the second non-corrosive material,
a frit configured to be placed into the cavity, and
at least one bottom plate o-ring configured to seal the bottom plate assembly to the spacer, wherein the spacer is one and only one spacer, and wherein the top plate assembly and the bottom plate assembly are sealed to the one and only one spacer; and

wherein the top plate assembly, the spacer, the membrane, and the bottom plate assembly define a separation channel.