	US 12,390,413 B2
	Biobased pearlescent waxes
Claudia Stoer, Monheim (DE); Claus Nieendick, Düsseldorf-Holthausen (DE); Markus Dierker, Düsseldorf (DE); Ansgar Behler, Düsseldorf-Holthausen (DE); Sybille Cornelsen, Monheim (DE); and Werner Mauer, Düsseldorf-Holthausen (DE)
Assigned to BASF SE, Ludwigshafen (DE)
Appl. No. 17/430,497
Filed by BASF SE, Ludwigshafen (DE)
PCT Filed Feb. 18, 2020, PCT No. PCT/EP2020/054236 § 371(c)(1), (2) Date Aug. 12, 2021, PCT Pub. No. WO2020/173761, PCT Pub. Date Sep. 3, 2020.
Claims priority of application No. 19159688 (EP), filed on Feb. 27, 2019.
Prior Publication US 2022/0133620 A1, May 5, 2022
Int. Cl. A61K 8/92 (2006.01); A61Q 5/02 (2006.01); A61Q 19/10 (2006.01)

CPC A61K 8/92 (2013.01) [A61Q 5/02 (2013.01); A61Q 19/10 (2013.01); A61K 2800/436 (2013.01)]

22 Claims

1. Waxy esters of ethylene glycol suitable as an opacifying and/or pearlescent agent in cosmetic cleansers, wherein the ethylene glycol in the ester according to ¹⁴C analysis has an at least 99% biogenic proportion of carbon, defined according to DIN EN 15440 at 13.6 dpm/gC independently of the matrix, with a standard deviation of +/−0 to +/−4;

wherein the waxy esters of ethylene glycol comprise a mixture of a monoester and a diester of ethylene glycol.