US PATENT SUBCLASS 210 / 726-- .~.~.~ Sequential introduction

US PATENT SUBCLASS 210 / 726
.~.~.~ Sequential introduction

210 /	HD	LIQUID PURIFICATION OR SEPARATION

600	DF	PROCESSES {14}
702	DF	.~ Making an insoluble substance or accreting suspended constituents {14}
723	DF	.~.~ Utilizing precipitant, flocculant, or coagulant, each with accelerator or with each other or plural precipitants, flocculants, or coagulants {3}
726		.~.~.~ Sequential introduction {1}
727	DF	.~.~.~.~> Including organic agent

Classification: 210/726

Sequential introduction:

(under subclass 723) Process in which a time interval occurs between one addition and another.