US 11,891,543 B2
Bio-based additives based on micronized rice bran wax
Milena Wundlechner, Mertingen (DE); Simon Bodendorfer, Augsburg (DE); Philipp Kratzer, Wertingen (DE); Manuel Broehmer, Groebenzell (DE); and Tobias Niederleitner, Westendorf (DE)
Assigned to CLARIANT INTERNATIONAL LTD, Muttenz (CH)
Appl. No. 18/011,557
Filed by CLARIANT INTERNATIONAL LTD, Muttenz (CH)
PCT Filed Jun. 18, 2021, PCT No. PCT/EP2021/066663
§ 371(c)(1), (2) Date Dec. 20, 2022,
PCT Pub. No. WO2021/259804, PCT Pub. Date Dec. 30, 2021.
Claims priority of application No. 20181497 (EP), filed on Jun. 22, 2020.
Prior Publication US 2023/0272231 A1, Aug. 31, 2023
Int. Cl. C09D 7/65 (2018.01); C09D 7/40 (2018.01); C09D 11/12 (2006.01)
CPC C09D 7/65 (2018.01) [C09D 7/69 (2018.01); C09D 11/12 (2013.01)] 18 Claims
OG exemplary drawing
 
1. Rice bran wax oxidates for wax additives, optionally derivatized by a method selected from the group comprising hydrolysis, alcoholysis, esterification, amidation, saponification, ethoxylation, anhydride formation and decarboxylation, having a volume-average particle size d50 of between 1-50 μm, measured to ISO 13320-1 and an acid number between 1 and 140 mg KOH/g, measured to ISO 2114.