Carol Ann Collins

US Patent:

62009370, Mar 13, 2001

Filed:

Jun 9, 1998

Appl. No.:

9/094384

Inventors:

Robert Brennan - Mercerville NJ
Abizer Gaslightwala - Cambridge MA
Nelson L. Perassinoto - Sao Paulo, BR
Rafael Delgado - Nutley NJ
Arthur Pellegrino - Yardley PA
Steve Aridgides - Yardley PA
Charles L. Adams - Flemington NJ
Carol J. Collins - Granada Hills CA

Assignee:

Neutrogena Corporation - Los Angeles CA

International Classification:

C11D 162
C11D 165

US Classification:

510119

Abstract:

Detergent compositions, including, but not limited to, anti-residue shampoos, are provided which include one or more anionic surfactants, an anionic polymer, a mono cationic conditioning agent, and a cationic polymer. These shampoos are preferably clear. Additionally, there is provided a recirculatory batch processor which includes a disperser and at least one pump selected from a supply pump and a return pump. The pump is in communication with the disperser. Furthermore, a recirculatory batch process is provided which includes the steps of delivering, at a first rate, a liquid from a tank to a recirculatory batch processor as described above; during the delivery, dispersing solids into the liquid to produce a liquid containing dispersed solids; and during the delivery, returning, at a second rate, the liquid containing dispersed solids to the tank; wherein the second rate is greater than the first rate.