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 |