P&G Patents Method of Making Clear Microcapsules

US Patent No. 11,896,689 B2(David Scott Dunlop, Eric Shawn Goudy); The Procter & Gamble Company has patented a  method of making a personal care composition. It entails the following steps:

• providing a mixer with housing that has first fluid inlet, a second inlet, a fluid outlet, and a the rotor rotatably connected with the housing, wherein the rotor comprises blades positioned within the housing to define cells between neighboring blades and the housing;
• preparing a personal care chassis base comprising surfactants and water;
• preparing a microcapsule composition comprising microcapsules and air;
• advancing the personal care chassis base along a flow path from the first fluid inlet toward the fluid outlet;
• transferring the microcapsule composition from the second inlet to the flow path by rotating the rotor;
directing the air in the microcapsule composition from inside the cells toward the second inlet;
• combining the microcapsule composition with the personal care chassis base to form the personal care composition; and
• advancing the personal care composition from the fluid outlet.