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LUBRICATING COMPOSITIONS (well drilling compositions C09K 8/02); USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION (mould release, i.e. separating, agents for metals B22C 3/00, for plastics or substances in a plastic state, in general B29C 33/56, for glass C03B 40/02; textile lubricating compositions D06M 11/00, D06M 13/00, D06M 15/00; immersion oils for microscopy G02B 21/33)[4]
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Note(s)
In this subclass, the following terms or expressions are used with the meanings indicated:[4,8]"lubricant" or "lubricating composition" includes cutting oils, hydraulic fluids, metal drawing compositions, flushing oils, slushing oils, or the like;"aliphatic" includes "cycloaliphatic" In this subclass, the last place priority rule is applied, i.e. at each hierarchical level, in the absence of an indication to the contrary, classification is made in the last appropriate place. Thus, a compound having an aromatic ring is classified as aromatic regardless of whether the substituent(s) of interest are on the ring or on an aliphatic part of the molecule In this subclass:metal or ammonium salts of a compound are classified as that compound;salts or adducts formed between two or more organic compounds are classified according to all compounds forming the salt or adduct, if of interest;a specified compound, e.g. phenols, acids, substituted by a macromolecular hydrocarbon radical is classified as that compound;base-materials or thickeners or additives consisting of a mixture for which no specific main group is provided are classified in the most indented group covering all essential constituents of the mixture, for example,a base-material mixture of ketone and amide group C10M 105/00;a base-material mixture of ketone and ether group C10M 105/08;an additive mixture of long and short chain esters group C10M 129/00;an additive mixture of short chain aliphatic and aromatic carboxylic acids group C10M 129/26; except for aqueous lubricating compositions containing more than 10% water, which are classified separately, classification is made according to the type of ingredient or mixture of types of ingredient (base-material, thickener or additive) which characterises the composition.Attention is drawn to the fact that a mixture of essential ingredients characterised by only one of its components, rather than by the mixture as a whole, is not classified as a mixture, e.g., a lubricating composition consisting of:a known base-material and a new additive is classified only in the "additive" part of the classification scheme;a known base-material with both a thickener and a further additive as essential ingredients, which may be individually known or not, is classified as a mixture of thickener and additive;a known base-material with a combination of additives as essential ingredients, which may be individually known or not, is classified in the appropriate place for the additive mixture Any part of a composition which is not identified by the classification according to Notes (2) or (3) above, and which itself is determined to be novel and non-obvious, must also be classified in the last appropriate place. The part can be either a single ingredient or a composition in itself Any part of a composition which is not identified by the classification according to Notes (2) to (4) above, and which is considered to represent information of interest for search, may also be classified in the last appropriate place. This can, for example, be the case when it is considered of interest to enable searching of compositions using a combination of classification symbols. Such non-obligatory classification should be given as "additional information" In this subclass, it is desirable to add the indexing codes of subclass C10N
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Subclass indexes
BASE-MATERIALS | Mineral or fatty oils | 101/00 | Inorganic materials | 103/00 | Non-macromolecular organic compounds | 105/00 | Macromolecular compounds | 107/00 | Compounds of unknown or incompletely defined constitution | 109/00 | Mixtures | 111/00, 169/00 | THICKENERS | Inorganic materials | 113/00 | Non-macromolecular organic compounds | 115/00, 117/00 | Macromolecular compounds | 119/00 | Compounds of unknown or incompletely defined constitution | 121/00 | Mixtures | 123/00, 169/00 | ADDITIVES | Inorganic materials | 125/00 | Non-macromolecular organic compounds | 127/00-139/00 | Macromolecular compounds | 143/00-155/00 | Compounds of unknown or incompletely defined constitution | 159/00 | Mixtures | 141/00, 157/00, 161/00-169/00 | COMPOSITIONS CHARACTERISED BY PHYSICAL PROPERTIES | 171/00 | AQUEOUS COMPOSITIONS | 173/00 | WORKING-UP | 175/00 | PREPARATION OR AFTER TREATMENT | 177/00 |
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