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Gesellschaft fuer Teerverwertung mbH
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Gesellschaft fuer Teerverwertung mbH
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Publication of FR415156ApublicationCriticalpatent/FR415156A/en
C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
C07D209/04—Indoles; Hydrogenated indoles
C07D209/06—Preparation of indole from coal-tar
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Organic Chemistry
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FR415156D1909-07-081910-04-23
Process for extracting indol from products such as oils obtained by distillation of coal tar
ExpiredFR415156A
(en)
Process for the deacidification of mineral oils (crude mineral oils, distillation products, residues, paraffin, etc.), ozocerite, etc., treated with sulfuric acid
Process for preparing hydrocarbons of interest from mineral oils, tars, their distillation, cracking and hydrogenation products as well as pressure hydrogenation products of coal