Patents for C07D 323 - Heterocyclic compounds containing more than two oxygen atoms as the only ring hetero atoms (1,581) |
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04/19/1988 | US4739081 New crown ether derivatives, process for the preparation thereof and ion-selective membrane electroes comprising the same |
04/12/1988 | CA1235121A1 Process for the preparation of vinyl carbamates and novel vinyl carbamates |
03/23/1988 | EP0260680A2 Improved process for the production of macrocyclic esters by the depolymerization of polyesters |
01/14/1988 | DE3621722A1 Process for isolating trioxane from aqueous trioxane solutions by means of separation by distillation |
12/08/1987 | US4711853 Method of detecting potassium ions using trifluoromethyl-substituted chromogenic crown ethers |
11/24/1987 | US4709058 Process for the production of macrocyclic esters by the depolymerization of polyesters |
10/27/1987 | US4703129 Trimerization of formaldehyde; cationic ion exchange resin catalyst bed |
10/20/1987 | US4701538 Composition comprising bicyclic carbonate oligomer |
10/20/1987 | US4701516 Lower glass transition temperature; molding materials |
09/29/1987 | US4696998 Cyclic heterocarbonates and methods for their preparation and use |
09/29/1987 | US4696997 Cyclic carbonate oligomer composition |
08/05/1987 | EP0230608A1 Modified co-polyester-carbonate resins |
07/15/1987 | EP0228456A1 Ionophores and ion-selective membranes containing the same |
06/02/1987 | CA1222438A1 Unified test means for ion determination |
04/28/1987 | US4661384 Organometallic compound with a guest-host ineterrelationship |
04/28/1987 | CA1221198A1 Alkali metal ion-selective compositions and elements and a method of using same |
04/07/1987 | US4656295 Extraction with saturated hydrocarbons |
04/01/1987 | EP0216731A1 Macrocyclic antibiotics |
03/24/1987 | US4652399 Novel polyacrylic esters bearing pendant macrocyclic ethers and electrically conducting compositions comprised thereof |
03/17/1987 | US4650846 Metal ion complexing |
02/24/1987 | US4645744 Unified test means for ion determination |
02/04/1987 | EP0210233A1 Brain derivable polypeptide factors and antibodies |
01/15/1987 | WO1987000168A2 Ionophores and ion-selective membranes containing the same |
01/15/1987 | DE3524841A1 Antineoplastic platinum(IV) crown ether complex compounds, processes for their preparation and medicaments containing them |
12/23/1986 | US4631291 Sequestering agents for iron and other metals in humans |
12/23/1986 | US4631119 Reversible, electrochemically-switched lariat ethers |
12/09/1986 | CA1215062A1 Crown ether compounds, process for the preparation of the crown ether complex forming agents and ion- selective membrane electrodes containing the same |
09/09/1986 | US4611066 Bryostatins 4 to 8 |
08/19/1986 | US4607110 Novel polyacrylic esters bearing pendant macrocyclic ethers and electrically conducting compositions comprised thereof |
07/31/1986 | WO1986004239A1 Brain derivable polypeptide factors and antibodies |
07/16/1986 | EP0187261A1 Process for the continuous preparation of trioxane |
06/10/1986 | US4594434 Process for the depolymerization of polyesters using dawsonite as the catalyst |
06/04/1986 | EP0183538A2 2,2' -Isopropylidine bis (tetrahydrofuran) and method of preparation |
05/27/1986 | US4591602 Ozonide esters and topical compositions containing same |
05/20/1986 | US4590005 Some macrocyclic compounds and their preparation |
04/16/1986 | EP0178048A1 Bryostatins |
04/02/1986 | EP0176077A1 Method for the isolation of macrocyclic polyethers |
04/02/1986 | EP0176076A1 Method for the preparation of crown ethers |
03/18/1986 | US4577035 2,2'-Isopropylidine bis(tetrahydrofuran) |
03/04/1986 | US4574158 Acetal purification using phase transfer catalysts |
02/19/1986 | EP0171401A1 Platinum and crown ether complexes with antineoplastic activity and drug containing them |
02/11/1986 | US4570004 Perfluoro crown ethers |
01/15/1986 | EP0167784A1 Process for the recovery of trioxan from aqueous solutions by high-pressure extraction |
01/14/1986 | US4564690 Macrocyclic compounds |
01/10/1986 | CN85102097A Method of synthesising crown ethers |
01/07/1986 | US4563536 Method for synthesizing trioxane |
01/02/1986 | EP0166360A2 Process for activating substrates for electroless plating |
12/31/1985 | US4562272 Process for preparing cyclic polyethers |
12/24/1985 | US4560774 Antineoplastic agents |
11/27/1985 | EP0162252A1 Process for the production of pure trixane |
11/19/1985 | US4554362 Ion selective membranes |
08/27/1985 | CA1192612A1 Potassium ion-selective membrane electrode |
07/23/1985 | US4531007 Crown ether compounds, process for the preparation of the crown ether complex forming agents and ion-selective membrane electrodes containing the same |
07/18/1985 | WO1985003078A1 Platinum and crown ether complexes with antineoplastic activity and drug containing them |
07/17/1985 | EP0148293A1 Process for the preparation of trioxane |
06/26/1985 | EP0145834A1 Ion-selective compositions containing certain crown ethers |
06/18/1985 | US4523994 Bis-crown-ether derivatives and their use |
06/05/1985 | EP0143564A2 Crown ether Derivatives |
04/23/1985 | US4513144 Acetal purification with superoxides |
03/12/1985 | US4504670 Process for the continuous manufacture of trioxane |
03/12/1985 | US4504368 Alkali metal ion-selective compositions and elements and a method of using same |
03/06/1985 | EP0133669A2 Process for the preparation of trioxan from commercial aqueous formaldehyde solutions |
02/12/1985 | US4499288 Process for the production of macrocyclic esters and lactones utilizing double metal salt catalysts |
02/12/1985 | US4499070 Hair dyes |
01/15/1985 | US4493752 Separation of triethylamine and tioxane |
11/21/1984 | EP0125555A2 Unified test means for ion determination |
10/30/1984 | CA1176829A1 Hemispherands in ion-selective compositions |
10/02/1984 | US4474963 Phase transfer catalysts |
09/04/1984 | CA1173827A1 Process for preparing substituted macrocyclics |
05/30/1984 | EP0109811A2 Bryozoan antibiotics |
05/29/1984 | US4451480 Method of treating acne using ozonized materials |
04/04/1984 | EP0104984A2 Vinylcarbamic acid esters and their preparation |
03/13/1984 | US4436923 Trifluoromethyl-substituted chromogenic crown ethers and methods of using same |
03/06/1984 | US4435582 Manufacture of macrocyclic polyethers |
01/11/1984 | EP0097960A2 Bis-crown-ether derivatives and their use |
12/27/1983 | US4423238 Phase transfer agents, alkali metals |
12/20/1983 | US4421923 Reaction of a bisphenol ether with epichlorohydrin |
08/24/1983 | EP0086358A1 Process for the preparation of tetramethylene carbonate and bis-tetramethylenedicarbonate |
08/16/1983 | US4398912 Lipophilic-hydrophilic crown compound solubilizers; amphoteric surfactants; hair dyes; shampoo |
07/12/1983 | US4393223 Thermal depolymerization of polyesters |
06/29/1983 | EP0082518A2 Hemispherands in ion-sensitive compositions |
05/24/1983 | CA1146951A1 Process for the continuous manufacture of trioxan |
05/04/1983 | EP0077980A2 (Potassium ion-selective membrane) electrode |
04/26/1983 | US4381397 Method for synthesizing trioxane |
03/08/1983 | CA1142531A1 Dimerization and/or oligomerization of cyclic aliphatic ethers |
02/22/1983 | US4374974 Method for making polyformals and polyformal products made thereby |
01/20/1983 | WO1983000149A1 New crown ether compounds, process for the preparation of the crown ether complex forming agents and ion-selective membrane electrodes containing the same |
12/22/1982 | EP0067240A1 Process for separating trioxane |
12/07/1982 | US4362714 Shampoo, hair conditioner |
11/30/1982 | US4361473 Crown compounds |
11/16/1982 | US4359477 Enterochelin complexes |
11/16/1982 | CA1135708A1 Process for the preparation of surfactive polyester products and compositions thereof |
11/03/1982 | EP0063782A1 Process for recovering trioxane |
09/28/1982 | US4351933 Vinyl substituted cyclic polyethers and addition polymers thereof |
09/28/1982 | CA1132552A1 Process for the preparation of surfactant cyclic polyethers and compositions thereof |
09/14/1982 | CA1131647A1 Macrocyclic polyether complexes and method for macrocyclic polyether isolation via said complexes |
08/18/1982 | EP0057825A1 Process for the preparation of aliphatic cyclic carbonates |
07/20/1982 | US4340542 Process and equipment for the continuous manufacture of trioxan |
07/13/1982 | CA1127653A1 Process for th simultaneous preparation of trioxan and cyclic formals |
06/23/1982 | EP0054283A1 Process for preparing substituted macrocyclics |