A Markush structure,Markush group, or a Markush claim is a representation of alternatively useable members. Markush structures are frequently used with chemical structures to indicate a group of related chemical compounds. They are commonly used in chemistry texts and in patent claims. Markush structures are depicted with multiple independently variable groups, such as R groups in which a side chain can have varying structure.[1] This more general depiction of the molecule, versus detailing every atom in the molecule, is used to protect intellectual property. The company which applies for a patent makes a general claim for the usage of the molecule without revealing to their competitors the exact molecule for which they are declaring a useful application.[citation needed]
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A Markushstructure, Markush group, or a Markush claim is a representation of alternatively useable members. Markushstructures are frequently used with...
practice in the U.S. Mainly but not exclusively used in chemistry, a Markush claim or structure is a claim with multiple "functionally equivalent" chemical entities...
generic, Markushstructures contained within them, named after the inventor Eugene Markush who won a lawsuit in the US in 1925 to allow such structures to be...
chemical structure covering a group of chemical compounds. Markushstructures are commonly used in patent claims. A claim comprising a Markushstructure is...
analogue" in jurisdictions such as the US and New Zealand which have Markushstructure controls over this family of drugs. Brorphine was first identified...
chemical structures, reactions, textual and tabular data; RGFile - for representing the Markushstructures (deprecated, Molfile V3000 can represent Markush structures);...
a system to control these cannabinoids through their general (or Markush) structure as opposed to their specific identity. In this way new analogs are...
banned by at least 28 states, but not by the federal government. Markushstructure Substituted amphetamines Substituted methylenedioxyphenethylamines...
creating and modifying representations of chemical structures. Molecule editors can manipulate chemical structure representations in either a simulated two-dimensional...
values. The company developed Markushstructure storage and search capabilities (without enumeration), with Markushstructures from Thomson Reuters Derwent...
SLN has a rich query syntax that allows for the specification of Markushstructure queries. The syntax also supports the specification of combinatorial...
Current extensions are being defined to handle polymers and mixtures, Markushstructures, reactions and organometallics, and once accepted by the Division...
Drug Abuse Prevention Act Subtitle D - synthetic drugs, added several Markush like statements that describes synthetic cannabinoid chemical space that...
search options for chemical compounds such as exact structure search, substructure search and Markush search. Users can draw formulas, use commercial and...
(match any atom), and Hev (match any heavy atom). It also has an extensive Markush syntax for specifying combinatorial libraries and RGROUP queries. SLN has...
in the schedules are simply examples from a wider class, defined with Markush like language. For example, all chemicals in the class "O-Alkyl (<=C10...
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