US PATENT SUBCLASS 23 / 300
.~.~ With added material

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


23 /   HD   CHEMISTRY: PHYSICAL PROCESSES

293 R  DF  PHYSICAL PROCESSES {7}
295 R  DF  .~ Crystallization {8}
300.~.~ With added material {1}
301  DF  .~.~.~> Seed

DEFINITION

Classification: 23/300

(under subclass 295) Processes wherein a substance is added to affect or cause crystallization.

(1) Note. This subclass includes salting out or addition of substances to control the size or shape of the crystals

formed.