| Patents for C07D 323 - Heterocyclic compounds containing more than two oxygen atoms as the only ring hetero atoms (1,581) |
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| 06/03/1992 | CN1061597A Preparation method for 2, 4, 6-triisopropyl-1, 3, 5-trioxy.ane |
| 05/27/1992 | CN1061412A Process for preparing trioxane |
| 05/13/1992 | EP0484786A1 Process for the preparation of trioxane |
| 05/13/1992 | EP0484742A1 2-Chloropropionaldehyde trimer and production process thereof |
| 05/09/1992 | CA2055131A1 Process for the preparation of trioxane |
| 05/05/1992 | US5110474 Monitoring nuclear waste pollution |
| 05/05/1992 | CA1300126C Chromogenic hemispherands and their use in detecting electrolytes in an aqueous test sample |
| 04/28/1992 | CA1299652C Lithium ion sensor |
| 04/01/1992 | EP0477557A2 Method for making cyclic oligomeric aromatic polycarbonates |
| 03/25/1992 | EP0476786A2 Processes for the preparation of cyclic ethers |
| 03/25/1992 | EP0476054A1 Method for treating viral infection |
| 03/21/1992 | CA2051593A1 Process for the preparation of cyclic ethers |
| 03/17/1992 | US5097009 Method for making cyclic oligomeric aromatic polycarbonates from monochloroformate |
| 03/17/1992 | US5096922 Sorangicin antibiotics |
| 03/10/1992 | US5094846 Trioxane composition and insect-proofing agent |
| 01/21/1992 | US5082955 Complexing with uranyl nitrate |
| 12/11/1991 | EP0460627A1 Volatile crown ligand beta-diketonate alkaline earth metal complexes |
| 11/21/1991 | EP0457149A1 Process of producing dichloroacetaldehyde trimer |
| 10/30/1991 | CN1055823A Process for production of impact-resistant liquid crystal switching and display device |
| 10/29/1991 | US5061349 Method of isolating trioxane from aqueous trioxane solutions by distillative separation |
| 10/17/1991 | WO1991015280A1 Method for liquid chromatographic extraction of strontium from acid solutions |
| 10/16/1991 | EP0451820A2 Process for manufacturing a shock-resistant liquid crystal switch and display |
| 10/13/1991 | CA2040227A1 Process for the production of an impact-resistant liquid crystal switching and display device |
| 09/10/1991 | US5047563 Chiral crown ethers |
| 08/27/1991 | US5043415 Nitrogen-containing oxacalixarene and calixarene derivatives, polymers including groups related to such derivatives, and use of such compounds |
| 08/07/1991 | CN1053610A Process of preparation of crown ether polymer with bis phenol a |
| 07/02/1991 | US5028721 Useful as monomer in polymerization reactions |
| 06/25/1991 | US5026875 Having ketoxime stabilizers; nondegradating, nonpolymerizing, formaldehyde-free |
| 06/19/1991 | EP0433178A1 Method for the separation of isomers of a crown ether, allowing specially the recuperation of pure isomers cis-syn-cis of dicyclohexyl 18-crown 6-DCH18C6 |
| 06/19/1991 | EP0432990A2 Polymerisable calixarene and oxacalixarene derivatives, polymers thereof and use of such derivatives and polymers for sequestration of metals |
| 06/19/1991 | EP0432989A2 Calixarene and oxacalixarene derivatives and use thereof for sequestration of metals |
| 06/19/1991 | EP0432974A1 Cyclic renin inhibitors |
| 06/16/1991 | CA2031752A1 Method to separate the isomers of a crown compound and making it possible to recover in particular the pure cis-syn-cis isomer from dicyclohexyl 18 - crown 6 - dch18c6 |
| 06/12/1991 | EP0431972A2 Macrocyclic lactones having renin inhibiting properties |
| 06/11/1991 | US5023346 Process for the production of cyclic carbonic acid esters |
| 06/09/1991 | CA2031755A1 Cyclic renin inhibitors |
| 06/09/1991 | CA2031735A1 Cyclic renin inhibitors containing 3(s)-amino-4-cyclohexyl-2(r)-hydroxy-butanoic acid or 4-cyclo-hexyl-(2r, 3s)-dihydroxybutanoic acid or related analogs |
| 05/22/1991 | EP0427781A1 Ozonides of terpenes and their medical uses |
| 04/16/1991 | US5008462 Chlorinating acetaldehyde, para-acetaldehyde, trimerization of reaction product |
| 04/07/1991 | WO1991004971A1 Polymerizable (functionally-substituted phenylene) semi-rigid crowns |
| 04/07/1991 | CA2067336A1 Polymerizable (functionally-substituted phenylene) semi-rigid crowns |
| 03/26/1991 | US5003065 Compounds and process for measuring c-reactive protein |
| 03/19/1991 | CA1281726C Process for the production of macrocyclic esters by the depolymerization of polyesters |
| 02/20/1991 | EP0413257A2 Cyclic poly(aryl ether) oligomers, a process for preparation thereof, and polymerization of cyclic poly (aryl ether) oligomers |
| 02/15/1991 | CA2023269A1 Cyclic poly(arylether) oligomers, a process for preparation thereof, and polymerization of cyclic poly(aryl ether) oligomers |
| 02/12/1991 | US4992381 Method of detecting electrolytes in an aqueous test sample using chromogenic hemispherands and test device therefor |
| 01/23/1991 | EP0409268A2 Trioxane composition and insect-proofing agent |
| 01/22/1991 | US4987072 Macrocyclic antibiotics |
| 01/08/1991 | US4983637 Parenteral administration of ozonides of terpenes |
| 01/02/1991 | EP0405634A2 Volatile organic barium, strontium and calcium compounds and method for the preparation of layered materials with barium, strontium or calcium oxides or fluorides from these compounds |
| 12/19/1990 | EP0402670A2 Method for preparing cyclic polyarylate oligomers |
| 12/15/1990 | WO1990015610A1 A composition for removing or inactivating harmful components in blood or other extracellular body fluids |
| 12/15/1990 | CA2058442A1 Composition for removing or inactivating harmful components in blood or other extracellular body fluids |
| 12/12/1990 | CA2013351A1 Method for preparing cyclie polyarylate oligomers |
| 12/09/1990 | WO1990014764A1 Method for treating viral infection |
| 12/09/1990 | CA2060316A1 Method for treating viral infection |
| 11/27/1990 | US4973763 Process for the preparation of polyglycerols |
| 09/11/1990 | US4956416 Amino or hydrazino peroxides, derivatives and their uses |
| 08/07/1990 | US4946561 Process for obtaining trioxane from aqueous solutions by high-pressure extraction |
| 07/17/1990 | US4942149 Resolution of optical isomers |
| 06/12/1990 | US4933407 Functionalized oxacalixarenes, their preparation and use in instant adhesive compositions |
| 05/23/1990 | EP0369249A2 Process for the preparation of cyclic carbonates |
| 05/22/1990 | US4927904 Method for preparing cyclic polyarylate oligomers |
| 05/16/1990 | EP0368613A2 Method for preparing monochloroacetaldehyde trimer |
| 03/14/1990 | EP0358129A1 New Crown ether compound and separating agent |
| 03/14/1990 | EP0216731B1 Macrocyclic antibiotics |
| 03/13/1990 | US4908135 Derived from 1,4,7,10-tetraoxa-2-alkenylcyclodecane, 1,4,7, 10,13-pentaoxa-2-alkenylcyclodecane, or 1,4,7,10,13,16-hexaoxa-2-alkenylcyclooctadecane; for separation of secondary amines from tertiary amines |
| 02/28/1990 | EP0355733A1 Amino or hydrazino peroxides, derivatives and their uses |
| 02/13/1990 | US4900845 Moiety for selective separation |
| 12/28/1989 | WO1989012626A1 Ozonides of terpenes and their medical uses |
| 11/29/1989 | EP0343791A1 Stability-improved trioxane composition |
| 10/25/1989 | EP0338756A2 Use of 1,2,4-trioxanes as antiparasitics and anthelmintics |
| 09/06/1989 | EP0331576A2 Functionalised crown ethers, their preparation and use as ion complexation agents |
| 08/08/1989 | US4855461 Functionalized oxacalixarenes, their preparation and use in instant adhesive compositions |
| 07/19/1989 | EP0167784B1 Process for the recovery of trioxan from aqueous solutions by high-pressure extraction |
| 06/13/1989 | US4839462 Substituted phenol and phenyl carbonate |
| 04/20/1989 | WO1987000168A3 Ionophores and ion-selective membranes containing the same |
| 03/29/1989 | EP0309291A1 Nitrogen-containing oxacalixarene and calixarene derivatives, polymers including groups related to such derivatives, polymers including groups related to such derivatives, and use of such compounds |
| 03/21/1989 | US4814428 Treating with a hydrogen halide to prevent polymerization |
| 03/15/1989 | EP0306802A1 Chiral crown ethers |
| 03/01/1989 | EP0304499A1 Process for the isolation of trioxane from aqueous trioxane solutions by distillation |
| 02/22/1989 | EP0303842A2 Cyclic polycarbonate oligomers: inhibition of polymerization to linear polycarbonates |
| 02/21/1989 | US4806492 Polypeptide tumor inhibitors and antibodies thereto |
| 01/10/1989 | CA1248414A1 Process for activating substrate surfaces for electroless metallisation |
| 12/28/1988 | EP0296341A2 Process for the preparation of polyglycerines |
| 12/07/1988 | EP0293690A2 A method of increasing the thermal stability of cyclic carbonate oligomers |
| 11/22/1988 | US4786710 Branched; impregnated on fibers or mats |
| 10/19/1988 | EP0287330A2 Chromogenic hemispherands useful for detecting electrolytes |
| 10/18/1988 | US4778874 Composite produced by impregnating with cyclic carbonate oligomer and polymerizing |
| 10/12/1988 | EP0286316A1 1,2,4-Trioxane Derivatives |
| 10/11/1988 | US4777270 Macrocyclic polyether carboxylic acids |
| 10/11/1988 | CA1243036A1 Process for the continuous preparation of trioxane |
| 09/20/1988 | US4772695 Process for the preparation of vinyl carbamates |
| 08/24/1988 | EP0279557A1 Moiety of selective separation |
| 08/24/1988 | EP0279521A1 Functionalised oxacalixarenes, their preparation and use in instant adhesive compositions |
| 07/05/1988 | CA1238914A1 Cyclic polycarbonate of thiol analog oligomers |
| 06/14/1988 | US4751283 Composition comprising bicyclic carbonate oligomer and cyclic carbonate oligomer |
| 06/07/1988 | US4749779 Compositions of cyclic oligomers |
| 05/17/1988 | CA1236842A1 Process for obtaining trioxane from aqueous solutions by high-pressure extraction |
| 05/10/1988 | CA1236473A1 Process for the preparation of pure trioxane |