Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242) |
---|
02/25/1992 | US5091588 Fluorinated styrene derivatives and method for making |
02/25/1992 | US5091578 Method of preparing phenoxy ethers for use as agrochemical intermediates |
02/25/1992 | US5091577 Method of preparing fungicidal intermediates |
02/25/1992 | US5091416 Insecticidal compounds |
02/25/1992 | CA1296352C Aromatic dicyclic coumpounds, process for preparing such and use thereof in cosmetics |
02/25/1992 | CA1296342C Anti-inflammatory agents, pharmaceutical compositions and methods for reducing inflammation |
02/18/1992 | US5089662 Miticides |
02/18/1992 | US5089659 Preparation of e7/z9-alkadien-1-ols and their derivatives protected at the hydroxyl group |
02/18/1992 | US5089657 Topical antiinflammatory agents |
02/17/1992 | CA2049172A1 Process for the preparation of 5-bromo-2-methoxyresorcinol |
02/12/1992 | EP0470655A1 Process for preparing tertiary alkyl ethers and apparatus for reactive distillation |
02/12/1992 | CN1058582A Process for preparing tertiary alkyl ethers and apparatus for reactive distillation |
02/11/1992 | US5087790 Method for olefination of carbonyl compounds using titanocene derivatives |
02/11/1992 | US5087769 Preparation of 6-substituted-2-vinylnaphthalene |
02/11/1992 | US5087765 Process for preparing chlorotrifluoroethylene telomers and new telomers obtained |
02/06/1992 | WO1992001766A1 Ferroelectric liquid crystal compositions containing halogenated cores and chiral haloalkoxy tail units |
02/06/1992 | WO1992001661A1 Reactor quenching for catalytic olefin hydration in ether production |
02/06/1992 | WO1992001658A1 Extraction of selected hydrocarbons from a hydrocarbon stream using a carbon adsorbent |
02/06/1992 | WO1990013531A3 Octadienyl ethers and a process for making octadienyl ethers |
02/05/1992 | EP0470000A1 Allylation reagent and method of synthesis using it |
02/04/1992 | US5086038 Soap, cosmetics, body deodorizer, air freshner, detergent and fabric softener; white flower fragrance |
02/02/1992 | CA2047269A1 Process for preparing tertiary alkyl ethers and apparatus for reactive distillation |
01/28/1992 | US5084440 Acetals and ketals of oxo-tetralins and oxo-indanes |
01/28/1992 | US5084204 Compounds for liquid crystal display elements |
01/28/1992 | US5084070 Gum-free components containing alkyl tert.-alkyl ethers |
01/26/1992 | WO1992001660A1 Improved catalytic olefin hydration for ether production |
01/26/1992 | CA2087276A1 Catalytic olefin hydration for ether production |
01/23/1992 | WO1992000944A1 Unsaturated ethers |
01/22/1992 | EP0466954A1 Catalytic distillation |
01/21/1992 | US5082978 With p-dimethoxybenzene and acid catalyst |
01/21/1992 | US5082961 Method for the preparation of an alkynyl compound |
01/15/1992 | EP0466545A1 Zeolites based on silica and oxides of tetravalent elements, method for their synthesis and their use |
01/15/1992 | EP0466319A1 Hydroxyalkylation of phenols or thiophenols with cyclic organic carbonates using triorganophosphine catalysts |
01/15/1992 | EP0370054B1 Catalyst composition and method for selective dehydrogenation |
01/14/1992 | US5081318 One step synthesis of methyl t-butyl ether from t-butanol using fluorosulfonic acid-modified zeolite catalysts |
01/14/1992 | US5081273 Process for the preparation of insecticidally active diphenyl ether compounds |
01/14/1992 | US5081251 Stilbene compounds use in anionic polymerization |
01/14/1992 | US5081249 From gaseous fluorine and solution of pyridinesulfonate |
01/14/1992 | US5080827 1,2-propanediol derivative |
01/14/1992 | US5080794 Separation of 1-methoxy-2-propanol and water |
01/09/1992 | WO1992000265A1 A method for avoiding formation of by-products at the production of an ethoxylated polyol |
01/09/1992 | WO1992000260A1 Selective ethylation of naphthalene compounds |
01/09/1992 | DE4021511A1 Ungesaettigte ether Unsaturated ethers |
01/08/1992 | EP0464045A1 Discontinuous process for conducting a heterogeneously catalysed reaction and installation for heterogeneously catalysed manufacture of products. |
01/08/1992 | CN1057644A Acid-catalyzed fabrication of precursors for use in making polyols and ethylene oxide capping of polyols made using double metal cyanide catalysts |
01/08/1992 | CN1057640A Alkylating aromatic compounds |
01/07/1992 | US5078751 High octane gasoline |
01/02/1992 | EP0463946A1 Process for the preparation of polyalkoxylated aromatic compounds |
01/02/1992 | EP0463862A2 Aromatic vinyl ether compounds and compositions, and method of making the same |
01/02/1992 | EP0463162A1 PREPARATION OF 5,6,7-TRINOR-4,8-INTER-m-PHENYLENE PGI 2 DERIVATIVES |
01/02/1992 | EP0307404B1 Process for preparing alkyl-tert-butyl ethers |
01/02/1992 | EP0287675B1 Process for producing biphenols |
01/01/1992 | CN1057451A Process for preparing ether |
12/31/1991 | US5077440 Process for the preparation of 3-phenoxybenzylalcohol |
12/31/1991 | US5076947 1-phenyl-1-propanol derivative |
12/31/1991 | CA1293735C Rooperol and its derivatives |
12/27/1991 | EP0462283A1 Process for producing dipentaerythritol |
12/26/1991 | CA2045304A1 Aromatic vinyl ether compounds and compositions, and method of making the same |
12/24/1991 | US5075513 Fungicides |
12/24/1991 | US5075509 Lubricants, heat exchangers, vapor phase soldering fluids, solvents, oxygen carrier |
12/18/1991 | EP0462031A1 Method for the production of dialkoxybutenes |
12/12/1991 | WO1991018909A1 Process for removing double metal cyanide complex catalyst residues from catalyst-residue containing polyols |
12/12/1991 | WO1991018855A1 Process for halogenating aromatic compounds |
12/11/1991 | EP0460311A1 A method for removing odorous impurities from dimethyl ether |
12/11/1991 | EP0460196A1 Treatment of impurity-containing liquid streams in ethylene oxide/glycol processes with semi-permeable membranes. |
12/11/1991 | EP0452411A4 Acid catalyzed process |
12/10/1991 | US5072017 Process for the preparation of p-substituted o-benzylphenols |
12/10/1991 | US5071640 Cosmetic composition containing a polyoxyethylenated non-ionic surface-active agents with two lipophilic chains |
12/10/1991 | US5071627 Reactor system for conducting a chemical conversion |
12/08/1991 | CA2018615A1 Method for removing odorous impurities from dimethyl ether |
12/04/1991 | EP0459242A2 Process for the preparation of phenolethers |
12/04/1991 | EP0458965A1 Process for the preparation of vinyl ethers. |
12/03/1991 | US5070016 Hydrogenation of carbon dioxide formed in ethanol synthesis; g eneration of steam; steam reforming; dehydrogenation of isobut ane; etherification |
12/03/1991 | CA1292837C Preparation of polyether compositions |
12/03/1991 | CA1292753C Process for the hydroformylation of sulfur-containing thermally cracked petroleum residua |
11/27/1991 | EP0458684A1 Reagent and process for the perfluoroalkylation of nucleophilic substrates by sodium perfluoroalkanesulfinates in an oxidising medium |
11/27/1991 | EP0458262A2 Method for reducing unsaturation of polyethers |
11/27/1991 | EP0458048A1 Production of diisopropyl ether |
11/26/1991 | US5068460 Process for preparation of resorcinol |
11/26/1991 | US5068459 Process for producing m-phenoxybenzyl alcohol |
11/26/1991 | US5068458 Chemical process for halogenating 2-methyl-6-methoxynaphthalene |
11/26/1991 | US5068456 Oxyalkylation of reactive hydrogen compounds, such as alcohols, in the presence of a catalytic magnesium and phenolic compounds |
11/26/1991 | US5068452 Aromatic aldehydes and their derivatives |
11/26/1991 | US5068446 Crystallization and heat treatment |
11/26/1991 | US5068403 Intermediates useful in the production of pesticides |
11/26/1991 | US5068340 Antagonist of platelet activating factor for treatment of asthma, inflammation or shock |
11/26/1991 | US5068053 Liquid crystals for optical apparatus |
11/25/1991 | CA2041239A1 Production of diisopropyl ether |
11/24/1991 | CA2043059A1 Method for reducing unsaturation of polyethers and low unsaturation polyethers so obtained |
11/21/1991 | EP0457465A1 Integrated cracking, etherification and olefin upgrading process |
11/21/1991 | EP0456658A1 Vinyloxy hydroxyalkylcycloalkane and preparation therefor |
11/19/1991 | US5066825 Process for preparing a naphthalene derivative |
11/19/1991 | US5066815 Asymmetric hydrogenation of ketone, ruthenium-phosphine catalyst |
11/19/1991 | CA2041238A1 Integrated cracking, etherification and olefin upgrading process |
11/13/1991 | EP0456157A1 Process of producing chloroacetals |
11/12/1991 | US5064623 Tert-alkyl methyl ether octane improvers |
11/12/1991 | CA1292002C Propanol derivatives |
11/06/1991 | EP0455029A2 Process for the preparation of fuels and fuel components with a high-octane, low-olefin content |
11/06/1991 | EP0455004A1 Process for the preparation of dimethyl ether |
10/31/1991 | WO1991016290A1 Synthesis of cyclitols from substituted arene diols |