N?-LONG CHAIN ACYLIDINE CRYSTAL PRODUCTION METHOD AND COMPOSITION CONTAINING SAID CRYSTALS

An unground Nε-long chain acyl lysine crystal production method that includes: preparing a solution having at least one type of Nε-long chain acyl lysine dissolved in an acidic or basic solvent including water and/or one type selected from water-soluble organic solvents; dipping the solution into an...

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Bibliographische Detailangaben
Hauptverfasser:	YAMATO, Naoya, SHUVENDU, Biswas
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC CHEMISTRY PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS
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Beschreibung
Zusammenfassung:	An unground Nε-long chain acyl lysine crystal production method that includes: preparing a solution having at least one type of Nε-long chain acyl lysine dissolved in an acidic or basic solvent including water and/or one type selected from water-soluble organic solvents; dipping the solution into an acidic solution having a pH of at least 0.2 and less than 2.0, at a temperature of no more than 20°C; and crystallizing Nε-long chain acyl lysine crystals.