LIQUID COMPOSITION FOR CLEANING AND/OR FINE PURIFICATION Russian patent published in 2015 - IPC C11D3/14 C11D3/37 

FIELD: chemistry.

SUBSTANCE: present invention relates to a liquid composition for cleaning and/or fine purification, which contains biodegradable abrasive cleaning particles in amount of 0.1-20 wt % of the composition, wherein said biodegradable abrasive cleaning particles contain a biodegradable polylactic acid, wherein said biodegradable abrasive cleaning particles are characterised by average roundness of 0.1-0.6, wherein the roundness is measured according to ISO 9276-6, and average strength of 0.4-0.9, wherein the average strength is measured according to ISO 9276-6, and wherein said biodegradable abrasive cleaning particles are characterised by biodegradation level higher than 50% in accordance with ASTM6400 testing method. The present invention also relates to a surface cleaning and/or fine purification method.

EFFECT: obtaining composition with good cleaning/fine purification properties, while providing a good surface safety profile.

22 cl, 2 dwg, 11 tbl, 37 ex