US 11,911,496 B2
Lamellar and low sulfate and soap cleansing composition
Alyssa Nicole Kranzmann, Chicago, IL (US); Jamie Lynn Miller, North Haven, CT (US); and Tirucherai Varahan Vasudevan, Bethany, CT (US)
Assigned to Conopco, Inc., Englewood Cliffs, NJ (US)
Filed by Conopco, Inc., Englewood Cliffs, NJ (US)
Filed on Aug. 31, 2022, as Appl. No. 17/900,568.
Application 17/900,568 is a continuation of application No. 16/605,876, granted, now 11,464,725, previously published as PCT/EP2018/059311, filed on Apr. 11, 2018.
Claims priority of application No. 17169997 (EP), filed on May 8, 2017.
Prior Publication US 2023/0000745 A1, Jan. 5, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A61K 8/00 (2006.01); A61K 8/46 (2006.01); A61K 8/44 (2006.01); A61Q 5/02 (2006.01); A61Q 19/10 (2006.01)
CPC A61K 8/463 (2013.01) [A61K 8/442 (2013.01); A61K 8/447 (2013.01); A61Q 5/02 (2013.01); A61Q 19/10 (2013.01); A61K 2800/48 (2013.01); A61K 2800/596 (2013.01)] 19 Claims
 
1. A lamellar personal cleansing composition comprising:
1) 2 to 12% by wt. C8 to C20 acyl isethionate, the acyl isethionate being sodium cocoyl isethionate, sodium lauroyl isethionate or a mixture thereof;
2) 0.5% to 12% by wt. acyl glycinate;
3) 0.5 to 12% by wt. divalent acyl glutamate comprising sodium lauroyl glutamate, sodium cocoyl glutamate or a mixture thereof; and
4) 0 to 10% of an amphoteric surfactant; and
5) 1 to 5% by wt. lamellar structurant comprising lauric acid, lauryl alcohol or a mixture thereof,
wherein the amount by wt. of divalent acyl glutamate in the composition as active, is greater than 50% the amount by wt. of acyl isethionate and chain length distribution of the acyl isethionate has C12 chain within the chain length distribution between 60 to 100% and further wherein the composition has a pH between 6 to 8, a viscosity from 20000 to 300,000 cP as measured by Brookfield viscometer T-A, 0.5 rpm, 60 seconds, and the composition comprises less than 1% by wt. of sulfate surfactant and less than 1% by wt. soap.