	US 12,435,294 B2
	Prevention of the oxidation of perfumery raw materials and food raw materials
Michael Calandra, Plainsboro, NJ (US); Ying Wang, Plainsboro, NJ (US); Dushanee Sriyarathne, Plainsboro, NJ (US); Gary Womack, Plainsboro, NJ (US); Florian De Nanteuil, Satigny (CH); Rutger Van Sleeuwen, Plainsboro, NJ (US); Brian MacDougall, Plainsboro, NJ (US); Tieu-Vey Lam, Neiully-sur-Seine (FR); and Sylvie Breton, Neiully-sur-Seine (FR)
Assigned to FIRMENICH SA, Satigny (CH)
Appl. No. 17/290,804
Filed by Firmenich SA, Satigny (CH)
PCT Filed Oct. 31, 2019, PCT No. PCT/EP2019/079933 § 371(c)(1), (2) Date May 3, 2021, PCT Pub. No. WO2020/089440, PCT Pub. Date May 7, 2020.
Claims priority of provisional application 62/754,808, filed on Nov. 2, 2018.
Claims priority of provisional application 62/756,784, filed on Nov. 7, 2018.
Claims priority of application No. 19175862 (EP), filed on May 22, 2019; and application No. 19175887 (EP), filed on May 22, 2019.
Prior Publication US 2021/0395638 A1, Dec. 23, 2021
Int. Cl. C11B 5/00 (2006.01); A23L 33/10 (2016.01); A61K 8/365 (2006.01); A61Q 19/00 (2006.01); C11B 9/00 (2006.01)

CPC C11B 5/0028 (2013.01) [A23L 33/10 (2016.08); A61K 8/365 (2013.01); A61Q 19/00 (2013.01); C11B 9/0034 (2013.01); A23V 2002/00 (2013.01); A61K 2800/522 (2013.01)]

18 Claims

1. A method, wherein the method reduces, prevents, or ameliorates the POV of a perfume, body care product, cosmetic product, homecare product, perfumery raw material, flavored article, nutritional supplement, or food raw material, the method comprising:

a. adding at least one remediant selected from the group consisting of: a linear and/or branched series of at least one α-oxocarboxylic acid bonded to a multi-dentate amine compound via ionic bonds, a thiol, sulphur-containing peptides, sulphur-containing proteins, phosphorylated ascorbic acid analogues, ascorbate esters, ascorbic acid salts, oxalic acid monoesters, oxalic acid monoester salts, silane hydride compounds, diesters of oxaloacetic acid, salts of diesters of oxaloacetic acid, glyoxylic acid, and salts of glyoxylic acid to the perfume, body care product, cosmetic product, homecare product, perfumery raw material, flavored article, nutritional supplement, or food raw material having a first POV level; and

b. mixing the at least one remediant into the perfume, body care product, cosmetic product, homecare product, perfumery raw material, flavored article, nutritional supplement, or food raw material for a time sufficient to reduce the first POV level to a pre-determined second lower level.