EP 4229158 A1 20230823 - FRAGRANCE CONCRETE AND ABSOLUTE OBTAINED BY EXTRACTION OF HETEROCYCLIC SOLVENT FROM SOLID NATURAL MATERIALS
Title (en)
FRAGRANCE CONCRETE AND ABSOLUTE OBTAINED BY EXTRACTION OF HETEROCYCLIC SOLVENT FROM SOLID NATURAL MATERIALS
Title (de)
DUFTBETON UND ABSOLUT ERHALTEN DURCH EXTRAKTION VON HETEROCYCLISCHEM LÖSUNGSMITTEL AUS FESTEN NATÜRLICHEN MATERIALIEN
Title (fr)
CONCRETE ET ABSOLUE DE PARFUM OBTENUES PAR EXTRACTION DE SOLVANT HETEROCYCLIQUE A PARTIR DE MATIERES NATURELLES SOLIDES
Publication
Application
Priority
- FR 2010661 A 20201016
- EP 2021078452 W 20211014
Abstract (en)
[origin: WO2022079171A1] The present invention relates to a method of preparing fragrance concrete and absolute using the contacting of particular solid natural material with a first system of solvents comprising at least one heterocyclic "green" solvent. The invention also relates to the fragrance concrete and fragrance absolute obtained by the preparation process, to a composition comprising the concrete and/or the absolute, and to the use of the heterocyclic green solvent to extract the concrete and/or absolute without observing ether odor.
IPC 8 full level
C11B 9/02 (2006.01)
CPC (source: EP KR US)
C11B 9/0003 (2013.01 - KR US); C11B 9/025 (2013.01 - EP KR US)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
WO 2022079171 A1 20220421; CN 116391018 A 20230704; EP 4229158 A1 20230823; FR 3115292 A1 20220422; FR 3115292 B1 20231027; KR 20230086727 A 20230615; US 2023392095 A1 20231207
DOCDB simple family (application)
EP 2021078452 W 20211014; CN 202180070327 A 20211014; EP 21786245 A 20211014; FR 2010661 A 20201016; KR 20237015793 A 20211014; US 202118249157 A 20211014