A61K - Cooperative Patent Classification
A61K - Cooperative Patent Classification
A61K - Cooperative Patent Classification
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CPC - <strong>A61K</strong> - 2013.07 - page 86<br />
<strong>A61K</strong> 2236/50 . Methods involving additional extraction steps<br />
<strong>A61K</strong> 2236/51 . . Concentration or drying of the extract, e.g. Lyophilisation, freeze-drying or<br />
spray-drying<br />
<strong>A61K</strong> 2236/53 . . Liquid-solid separation, e.g. centrifugation, sedimentation or crystallization<br />
<strong>A61K</strong> 2236/55 . . Liquid-liquid separation ; Phase separation<br />
<strong>A61K</strong> 2300/00<br />
Mixtures or combinations of active ingredients, wherein at least one active<br />
ingredient is fully defined in groups <strong>A61K</strong> 31/00 to <strong>A61K</strong> 41/00 .<br />
NOTE<br />
-<br />
This code is meant to be allocated in combination with the CPC classification<br />
symbol of the active ingredients, and replaces the former +M Combi symbols used<br />
in this subclass<br />
<strong>A61K</strong> 2800/00<br />
Properties of cosmetic compositions or active ingredients thereof or formulation<br />
aids used therein and process related aspects[Note:This subclass is a secondary<br />
classification, e.g. obligatory supplementary classification when already classified<br />
in group <strong>A61K</strong> 8/00 or subclass A61Q ]<br />
<strong>A61K</strong> 2800/10 . General cosmetic use<br />
<strong>A61K</strong> 2800/20 . Chemical, physico-chemical or functional or structural properties of the composition as<br />
a whole<br />
<strong>A61K</strong> 2800/21 . . Emulsions characterized by droplet sizes below 1 micron<br />
<strong>A61K</strong> 2800/22 . . Gas releasing<br />
<strong>A61K</strong> 2800/222 . . . Effervescent<br />
<strong>A61K</strong> 2800/24 . . Thermal properties<br />
<strong>A61K</strong> 2800/242 . . . Exothermic ; Self-heating ; Heating sensation<br />
<strong>A61K</strong> 2800/244 . . . Endothermic ; Cooling ; Cooling sensation<br />
<strong>A61K</strong> 2800/26 . . Optical properties<br />
<strong>A61K</strong> 2800/262 . . . Transparent ; Translucent<br />
<strong>A61K</strong> 2800/28 . . Rubbing or scrubbing compositions ; Peeling or abrasive compositions ; Containing<br />
exfoliants<br />
<strong>A61K</strong> 2800/30 . . Characterized by the absence of a particular group of ingredients<br />
<strong>A61K</strong> 2800/31 . . . Anhydrous<br />
<strong>A61K</strong> 2800/33 . . . Free of surfactant<br />
<strong>A61K</strong> 2800/34 . . . Free of silicones<br />
<strong>A61K</strong> 2800/40 . Chemical, physico-chemical or functional or structural properties of particular<br />
ingredients<br />
<strong>A61K</strong> 2800/41 . . Particular ingredients further characterized by their size<br />
<strong>A61K</strong> 2800/412 . . . Micro-sized, i.e. having sizes between 0.1 and 100 microns<br />
<strong>A61K</strong> 2800/413 . . . Nano-sized, i.e. having sizes below 100 nm<br />
<strong>A61K</strong> 2800/42 . . Colour properties<br />
<strong>A61K</strong> 2800/43 . . . Pigments ; Dyes
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