| Patents for C07B 63 - Purification; Separation specially adapted for the purpose of recovering organic compounds; Stabilisation; Use of additives (4,057) |
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| 10/15/1985 | US4547620 With hydrotalcite |
| 10/09/1985 | EP0157365A2 Separation agent comprising polysaccharide carbamate |
| 10/09/1985 | EP0157364A2 Separation agent comprising aliphatic or aromatic ester of polysaccharide |
| 10/02/1985 | EP0156382A2 Separation agent comprising acyl-or carbamoyl-substituted polysaccharide |
| 09/25/1985 | EP0155637A2 Separation agent |
| 09/25/1985 | EP0155441A1 A process for separating nitration isomers of substituted benzene compounds |
| 08/07/1985 | EP0150849A2 Agent for separation |
| 07/24/1985 | EP0149343A1 Preparation of zeolite coated substrates |
| 07/16/1985 | CA1190501A1 Removal of pcbs and other halogenated organic compounds from organic fluids |
| 07/10/1985 | EP0147942A2 Extraction of substances from aqueous solution |
| 07/09/1985 | US4528006 Apparatus for the continuous desublimination of vapors of subliming substances |
| 06/19/1985 | EP0144956A2 Process and apparatus for regenerating a solvent |
| 06/12/1985 | EP0144200A2 Separating organic compounds from aqueous liquids |
| 05/08/1985 | EP0139945A2 Process for preparing solid chemical compositions from liquid starting materials |
| 05/07/1985 | US4515695 Extraction of substances from aqueous solution |
| 04/30/1985 | US4514304 Using amphoteric block ion exchange resin |
| 04/17/1985 | EP0137214A1 Method of extraction of form labile fluid masses |
| 04/16/1985 | US4511710 Halide removal from fluid organic materials |
| 04/02/1985 | US4508865 S-(4-Hydroxyphenyl)thiocarboxylic ester antioxidants |
| 03/13/1985 | EP0134194A2 S-(4-hydroxyphenyl)thioesters |
| 03/05/1985 | US4503276 Process for separating nitration isomers of substituted benzene compounds |
| 01/08/1985 | US4492613 Methanol, cyclohexane |
| 10/17/1984 | EP0121776A1 Resolving agent |
| 09/12/1984 | EP0118092A1 Process for removing a halogen component derived from a catalyst from an organic compound containing said halogen component |
| 06/05/1984 | US4452994 Complexing prostaglandins, steroids and subsequent decomposition |
| 05/30/1984 | EP0109486A2 Recovery of components of a binary azeotrope |
| 11/29/1983 | US4417977 Removal of PCBS and other halogenated organic compounds from organic fluids |
| 11/22/1983 | CA1157419A1 Process and apparatus for separating organic liquid solutes from their solvent mixtures |
| 04/06/1983 | EP0075817A2 Process for the separation of liquid mixtures which contain hydrogenation products of citral by distillation |
| 03/08/1983 | US4376216 Process for the purification of photographic developer substances |
| 01/04/1983 | CA1138873A1 Watersoluble derivatives of 6,6'-methylene- bis-(2,2,4-trimethyl-1,2-dihydroquinoline) and process for the preparation thereof |
| 10/26/1982 | US4356306 Water-soluble derivatives of 6,6'-methylene-bis-(2,2,4-trimethyl-1,2-dihydroquinoline) |
| 09/14/1982 | US4349415 Process for separating organic liquid solutes from their solvent mixtures |
| 08/17/1982 | CA1129876A1 Method of purifying readily polymerisable vinyl monomers |
| 08/10/1982 | US4343744 Process for separating a specified component contained in a mixture of multiple fatty components from the mixture thereof |
| 04/06/1982 | US4323431 Controlled pressure in a continuous rectification process |
| 09/22/1981 | CA1109483A1 Method for isolating insect sex pheromones |
| 04/14/1981 | US4261798 Method of purifying readily polymerizable vinyl monomers |
| 09/30/1980 | CA1086777A1 Process for removing unwanted acid substances from reaction products |
| 09/02/1980 | CA1084916A1 Process for purifying an aqueous solution |
| 08/06/1980 | EP0014041A1 Method of purifying readily polymerisable vinyl monomers |
| 05/06/1980 | CA1077190A1 Stabilized adhesive and curing compositions |
| 04/08/1980 | CA1075166A1 Sorption of weak organic acids from water by polyurethane |
| 10/09/1979 | US4170601 Selectively forming inclusion complex with urea |
| 08/07/1979 | CA1060135A1 Stabilized polymerizable compositions |
| 07/10/1979 | US4160675 Process for purifying an aqueous solution |
| 06/12/1979 | US4158027 Biphenol derivatives used as polymerization inhibitors |
| 05/29/1979 | CA1055520A1 Process for the odor removal of malodourous sulfur containing olefinic derivatives |
| 02/27/1979 | US4141799 Process for the purification of high-melting organic products |
| 09/26/1978 | US4116955 Inclusion complex compound, process for its production, and method for its use |
| 09/05/1978 | US4112019 Bisphenol polymerization inhibitor |
| 12/06/1977 | US4061565 Sorption of weak organic acids from water by polyurethane |
| 11/01/1977 | US4056444 Vacuum separation of mixtures with similar boiling points |
| 09/20/1977 | US4049731 Vinyl monomers, biphenol derivative as polymerization inhibitor |
| 07/13/1976 | US3969196 Process for the separation of mixtures of substances |
| 04/27/1976 | US3953360 Preparation of selective adsorbing particles |
| 03/23/1976 | US3945987 Carbamide adducts of polymetalophosphamate |