| Patents for C07D 315 - Heterocyclic compounds containing rings having one oxygen atom as the only ring hetero atom according to more than one of groups (1,360) |
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| 06/05/1985 | EP0143634A2 Processfor the preparation of butane-1.4-diol |
| 04/30/1985 | CA1186323A1 IMPROVED PROCESS FOR MANUFACTURING .epsilon.-CAPROLACTONE |
| 02/13/1985 | EP0132783A1 Oxidation of unsaturated organic compounds with hydrogen peroxide |
| 01/23/1985 | EP0131779A1 Method for the preparation of 3,4-dihydro-alpha pyrones |
| 12/25/1984 | US4490404 Flavoring with macrocyclic lactone |
| 12/11/1984 | US4487971 Process for the isolation of crystalline 1,3-cylohexanedione |
| 12/04/1984 | CA1178854A1 Process for applying a coating composition to a substrate, and the coated substrate thus obtained |
| 11/27/1984 | US4485246 Amine promoted catalytic hydrogenation of carboxylic acid anhydrides to lactones or esters |
| 11/27/1984 | US4485245 Hydrogenation of carboxylic acid anhydrides to lactones or esters using a ruthenium trichlorostannate catalyst |
| 11/14/1984 | EP0124725A1 Method for the preparation of lactones |
| 10/16/1984 | CA1176266A1 Lactone process |
| 09/25/1984 | US4473700 Dispersant for lubricants |
| 08/14/1984 | US4465847 Method for the production of butyrolactones |
| 05/01/1984 | CA1166645A1 Process for preparing epsilon-caprolactone |
| 04/18/1984 | EP0105474A2 Process for obtaining crystalline 1,3-cyclohexane dione |
| 03/21/1984 | EP0103465A1 20-Amino macrolide derivatives |
| 02/14/1984 | US4431490 Preparation of cyclopentadecanolide |
| 02/01/1984 | EP0099665A1 Catalytic carbonylation of alcohols |
| 12/13/1983 | US4420622 Process for the preparation of a 5-alkyl-butyrolactone |
| 12/13/1983 | CA1158642A1 Blocked photographically useful compounds and photographic compositions, elements and processes employing them |
| 11/15/1983 | US4415740 Heating a polyalkenyl succinic acid using an alpha-halo carboxylicc acid catalyst removable by distillation |
| 11/15/1983 | US4415475 Oxidation catalyst for the preparation of 2-butenolide from furan |
| 11/08/1983 | US4414079 Quaternary ammonium or phosphanium phase transfer catalyst |
| 10/05/1983 | EP0090231A1 Process for the preparation of 3-alkyl-2,5-dihydrofuran-2-ones |
| 09/28/1983 | EP0089370A1 Production of gamma-decalactone. |
| 08/30/1983 | CA1153006A1 PROCESS FOR THE MANUFACTURE OF VERY PURE .epsilon.-CAPROLACTONE |
| 08/30/1983 | CA1153005A1 Stabilisation of caprolactones |
| 08/23/1983 | CA1152519A1 PROCESS FOR THE PREPARATION OF .epsilon.-CAPROLACTONE |
| 07/27/1983 | EP0084286A1 Process for the preparation of epsilon-caprolactone |
| 07/12/1983 | US4393224 Telomerization of butadiene and carbon dioxide |
| 05/17/1983 | CA1146573A1 Production of butyrolactone |
| 05/17/1983 | CA1146557A1 Quaternary ammonium salt of ester-lactone and hydrocarbon oil containing same |
| 04/19/1983 | US4380650 Lactone process |
| 04/06/1983 | EP0075680A1 Substituted furanones and process for preparing 3,4-dihydro-alpha-pyrones and substituted furanones |
| 03/31/1983 | WO1983001072A1 Production of gamma-decalactone |
| 02/15/1983 | US4374257 Novel ethers containing a lactone group and a chiral atom |
| 02/09/1983 | EP0071006A2 Tetrahydronaphthalene derivatives and their production |
| 01/19/1983 | EP0069918A2 Process for the production of cyclopentadecanolide |
| 01/12/1983 | EP0069409A1 Process for the preparation of a 5-alkyl-butyrolactone |
| 11/23/1982 | US4360682 Stabilizing caprolactones with dihydroxybenzenes |
| 11/09/1982 | US4358601 Catalytic oxidation of furan with oxides of titanium, molybdenum and boron |
| 11/09/1982 | US4358525 Storage stable color films for diffusion transfer |
| 10/26/1982 | US4356310 Process for preparing gamma-butyrolactone and butenolide |
| 10/12/1982 | US4353832 Process for the preparation of carboxyl compounds |
| 10/06/1982 | EP0061910A2 Novel substituted imidazoles and triazoles, fungicidal compositions containing them, the use thereof for combating fungi and processes for the preparation of intermediates for making the imidazoles and triazoles |
| 09/28/1982 | US4351839 Fungicidal 2-aryl-2-1-H-azoyl-(alkyl)-gamma-butyrolactones |
| 09/22/1982 | EP0060365A2 Process for producing gamma-vinyl-gamma butyrolactone |
| 09/08/1982 | EP0059655A1 Process for the preparation of epsilon-caprolactam |
| 07/27/1982 | US4341709 Oxidation of cyclohexanone with perpropionic acid in solvent, multistage distillation |
| 07/20/1982 | US4340732 Butenolide herbicides and process for their preparation |
| 07/20/1982 | CA1128058A1 Process for the preparation of ethers with organic residues carrying chiral atoms and application to dividing alcohols, phenols and lactonic structure compounds |
| 05/25/1982 | US4331603 Process for improving the fragrance properties of macrocyclic compounds obtained by thermal depolymerization |
| 05/04/1982 | US4328363 Reacting an olefin and a carbonyl component in the presence of an oxidizing ion of manganese |
| 04/28/1982 | EP0050445A1 Telomerization of butadiene and carbon dioxide |
| 04/13/1982 | US4324727 Oxidation of a gamma-formylcarboxylic acid ester |
| 03/03/1982 | EP0046542A1 Alpha-beta-substituted gamma-butyrolactones, their preparation and their application as odorous products, and odorous compositions containing them |
| 02/02/1982 | US4313879 Process for the manufacture of very pure ε-caprolactone |
| 02/02/1982 | CA1117425A1 Perfume compositions |
| 01/26/1982 | CA1117021A1 Perfumery compositions with trimethyl-tetrahydropyran-2-ones |
| 01/13/1982 | EP0043631A1 Process for the preparation of a 6-alkyl-valerolactone |
| 01/12/1982 | US4310685 Hydrocaracking over a metal or an acid catalyst |
| 01/12/1982 | US4310612 Blocked photographically useful compounds in photographic compositions, elements and processes employing them |
| 01/05/1982 | US4309352 Process for producing lactones from unsaturated carbonyl compounds |
| 12/16/1981 | EP0041587A1 Catalyst compositions, production thereof, and use in production of oxygenated organic compounds |
| 12/15/1981 | US4306070 Method for preparing quaternary ammonium salt of ester-lactone |
| 12/15/1981 | US4305876 Process for the manufacture of tertiary, optically active aliphatic compounds |
| 11/24/1981 | US4302394 Oxidation of an alkoxybutyraldyhyde to the carboxylic acid, deetherification, cyclization |
| 11/18/1981 | EP0039830A1 Process for the preparation of optically active compounds and their use in the preparation of vitamin E |
| 09/23/1981 | EP0036131A1 Process for making butyrolactones |
| 09/08/1981 | US4288350 Perfume compositions containing dialkyl delta-lactones |
| 08/25/1981 | US4285868 Preparation of gamma-butyrolactones |
| 06/16/1981 | CA1103243A1 Process for the production of heterocyclic compounds |
| 05/05/1981 | US4265817 Novel chiral ethers and their use in resolution of alcohols and phenols |
| 04/21/1981 | CA1099746A1 Preparation of 1,4-diols by hydrolysis-hydrogenation of 2-alkoxytetrahydrofurans |
| 04/21/1981 | CA1099730A1 Process for the preparation of gamma- hydroxytetrahydrofuran and tetrahydrofuran by the hydroformylation of allyl alcohol |
| 04/08/1981 | EP0026311A1 Process for preparing very pure epsilon-caprolactone |
| 03/31/1981 | US4259527 Oxidation of secondary alcohols to ketones with hydrogen peroxide |
| 03/03/1981 | US4253980 Antisludge agent |
| 03/03/1981 | CA1096874A1 Manufacture of gamma-butyrolactones from 1,3-glycols and esters, halides and metadioxanes thereof |
| 02/17/1981 | US4251398 For enhancing other odors, scenting toiletries |
| 01/27/1981 | US4247467 Preparation of gamma-lactones |
| 01/27/1981 | US4247466 Lactone metabolites of 3-(4-biphenylylcarbonyl)propionic acid |
| 01/07/1981 | EP0021525A1 Process for the preparation of carboxylated compounds |
| 01/07/1981 | EP0020952A1 Process for the production of epsilon-caprolactone from cyclohexanone and perpropionic acid |
| 12/10/1980 | EP0019771A1 Stabilization of caprolactones |
| 11/25/1980 | US4235744 Carbonylation of olefinically unsaturated compounds |
| 10/29/1980 | EP0018162A1 Production of butyrolactone |
| 08/19/1980 | US4218379 Depolymerization of polyesters |
| 07/22/1980 | US4213906 Using buffered solution to avoid hydrolysis |
| 07/15/1980 | US4212773 Perfumery compositions with trimethyl-tetrahydropyran-2-ones |
| 06/03/1980 | US4206310 1-hydrocarbyl-2-halopyridinium or quinolinium halide, tertiary amine |
| 04/16/1980 | EP0009989A2 Photographic recording material containing blocked photographically useful compound |
| 03/11/1980 | US4192807 Manufacture of γ-butyrolactone from maleic anhydride |
| 02/05/1980 | US4187222 Process for the preparation of cyclopentadecanolide |
| 01/29/1980 | CA1070700A1 Process for the simultaneous manufacture of epsilon-caprolactones and carboxylic acids |
| 01/15/1980 | US4183863 Selenium oxidation catalyst |
| 01/15/1980 | CA1069938A1 PREPARING RESORCINOLS FROM .delta.-KETOCARBOXYLIC ACIDS OR FROM THEIR LACTONES |
| 01/08/1980 | US4182715 Amine derivatives of substituted gamma-butyrolactones |
| 12/18/1979 | US4179392 Biodegradable hard water detergents |
| 11/20/1979 | US4175089 Preparation of gamma-butyrolactones |