Patents
Patents for C07C 15 - Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic part (13,158)
02/1989
02/15/1989EP0303527A1 Catalyst of aluminosilicate with at least one noble metal and its use for the isomerisation of C8 fraction
02/15/1989CN1031072A Process of ethylbenzene by alkylating low-density ethylene and relevant zeolite catalyst
02/14/1989US4804801 Process for converting C2 to C8 aliphatics to aromatics over a metal-activated zeolite
02/14/1989US4804800 Process for synthesizing a zeolite catalyst on a pH controlled basis to improve catalyst life
02/14/1989US4804799 Dehydrogenation catalyst
02/08/1989EP0302665A1 The homogeneous partial oxidation of a methane-containing paraffinic hydrocarbon
02/08/1989EP0302195A1 Process for the preparation of naphthacenes
02/08/1989CN1030908A Preparation of styrene with waste polystyrene and styrene tar
02/07/1989US4803238 Polymer composition
01/1989
01/31/1989CA1249564A1 Synthesis of molecular sieving metallosilicates using heteropolymetallates
01/25/1989EP0300498A1 Method for producing p-alkylstyrene
01/24/1989CA1249304A1 Tertiary-butylstyrene recovery
01/18/1989EP0299867A1 Compositions of polyarylalkane oligomers comprising xylene moieties, and process for their preparation
01/18/1989EP0299866A1 Compositions of polyarylalkane oligomers, process for their preparation
01/17/1989US4798816 Process for increasing the selectivity of an alkylation catalyst for monoalkylation
01/17/1989CA1248931A1 Zeolite l preparation
01/10/1989CA1248554A1 Method for increasing hydrogen consumption in hydrocarbon dehydrogenation process using oxidative reheat step
01/10/1989CA1248512A1 Process for the preparation of a cayalyst mixture and its use
01/10/1989CA1248507A1 Titanium-aluminum-phosphorous-silicon-oxide-molecular sieve compositions
01/04/1989EP0297685A1 Dehydrogenation catalyst
01/04/1989EP0297657A1 Dehydrogenation catalyst
01/04/1989CN1030070A Single tower debenzolizing process and a new model of debenzolizing tower
01/03/1989US4795847 Preparation of 2,6-dialkyl-naphthalenes
01/03/1989CA1248079A1 Zinc-aluminum-phosphorous-silicon-oxide molecular sieve compositions
12/1988
12/20/1988CA1247139A1 Process for the dehalogenation of polyhalogenated hydrocarbon containing fluids
12/20/1988CA1247132A1 2,6-disubstituted naphthalene derivatives and process for preparing the same
12/20/1988CA1247123A1 Polysubstituted derivatives of naphtalene, and their preparation
12/13/1988CA1246529A1 Magnesium-aluminum-phosphorous-silicon-oxide molecular sieve compositions
12/13/1988CA1246523A1 Iron-aluminum-phosphorous-silicon-oxide molecular sieve compositions
12/07/1988EP0293939A2 Crystalline aluminophosphate composition
12/07/1988EP0293633A2 1,2-Di(4-isobutylphenyl)ethylene and its preparation and use as intermediate
12/01/1988WO1988009318A1 Selective gas-phase isomerization of dimethylnaphthalene: 2,6-dmn triad
11/1988
11/30/1988EP0292885A2 Catalytic transfer-hydrogenation with aromatic nitro compounds as hydrogen acceptor
11/29/1988US4788371 Catalytic oxidative steam dehydrogenation process
11/29/1988US4788368 Synthesis of olefins from ketones using a bis(substituted alumino) substituted methane
11/29/1988US4788364 Dehydrogenation of alkane-rich feedstock; oligomerization; two-step reaction
11/23/1988EP0291795A2 Hydroxyalkyl triazolyl derivatives
11/22/1988CA1245234A1 Product recovery method for an aromatic hydrocarbon alkylation process
11/17/1988EP0290861A1 Process for the reductive dehalogenation of organic halogenated compounds
11/17/1988EP0290656A1 Process for the separation of hydrocarbons from a mixed feedstock
11/15/1988CA1244838A1 Zeolite catalysed organic conversions
11/09/1988EP0290050A1 Method for producing alkylstyrene
11/09/1988EP0289691A1 A process for synthesizing high purity p-dialkyl benzene from monoalkyl benzene by using silicon-modified catalystSi-HZSM-5
11/08/1988US4783569 Selective gas-phase isomerization of dimethylnaphthalene: 2,6-DMN triad
11/08/1988US4783568 Isomerizaiton, catalysis
11/08/1988US4783514 Polymeric monoarylcyclobutane compositions
11/02/1988EP0288582A1 Process for producing alkyl group-substituted aromatic hydrocarbons
11/01/1988US4781906 Alkylation and isomerization catalysts, molecular sieve absorbers
11/01/1988CA1244058A1 Guard bed catalyst for organic chloride removal from hydrocarbon feeds
11/01/1988CA1244057A1 Compounding oil for polymers
11/01/1988CA1243977A1 Process for the preparation of an aromatic hydrocarbon mixture
10/1988
10/25/1988CA1243689A1 Process for the desulphurisation of mercaptans
10/11/1988US4777301 Contacting with non-zeolitic molecular sieve
10/11/1988US4776927 Extractive distillation using n-substituted morpholine
10/06/1988WO1988007517A1 Process for preparing 3-ethylbenzophenone
10/06/1988WO1988007514A1 Tolanes
10/06/1988WO1988007030A3 Detergent grade olefins, alkylbenzenes and alkylbenzene sulfonates and processes for preparing
10/05/1988EP0285280A1 Process for selectively alkylating biphenyl
10/05/1988EP0216009B1 Process for recovering 2,6-dialkyl isomers of naphthalene from their mixtures of isomers
10/05/1988CN88101443A production of aromatic hydrocarbons
09/1988
09/28/1988EP0284206A1 Zeolite L preparation
09/27/1988US4774378 Catalytic dehydrogenation of ethylbenzene
09/27/1988US4774377 Alkylation/transalkylation process
09/27/1988US4774212 Pillared hydrotalcites
09/27/1988US4774013 Transmission fluids
09/22/1988WO1988007034A1 Process for selectively hydroesterifying diolefin
09/22/1988WO1988007033A1 Process for selectively hydroformylating diolefin
09/22/1988WO1988007032A1 PROCESS FOR PREPARING alpha-(3-BENZYLPHENYL)PROPIONIC ACID DERIVATIVE
09/22/1988WO1988007030A2 Detergent grade olefins, alkylbenzenes and alkylbenzene sulfonates and processes for preparing
09/21/1988EP0283359A1 Process for the preparation of ketones
09/21/1988EP0283315A1 Method for recovery of polymerization inhibitor
09/21/1988EP0283212A2 Production of aromatic hydrocarbons
09/21/1988EP0283139A2 Anticancer compounds
09/21/1988EP0283038A1 (Vinylphenyl)phenylmethane and method for producing (benzoylphenyl)propionic acid
09/21/1988EP0282542A1 Process for the production of alkylene or cyclically linked compounds.
09/20/1988US4772633 6-pyridyl- and 6-phenyl-3-phenyl-1-hexenes and -1-hexynes, composition containing them, and insecticidal and acaricidal method of using them
09/20/1988US4772456 Roasting silicalite in air
09/14/1988EP0282312A1 Process for the production of an isobutylbenzene from an isobutenylcyclohexene
09/14/1988EP0282066A2 (Phenylethenyl) phenylpropionaldehyde and method for producing (benzoylphenyl) propionic acid using the same
09/14/1988EP0282065A2 (Phenylethenyl) phenylpropionic acid and its ester, and method for producing (benzoylphenyl) propionic acid or its ester
09/14/1988EP0282064A1 Method for producing m-ethyldiphenyls
09/14/1988EP0282063A1 1-(3-Vinylphenyl)-1-phenyl-hydrocarbons and method for producing the same
09/06/1988CA1241669A1 Hydrocarbon conversion of sulfur contaminated feed stock
08/1988
08/31/1988EP0280055A1 Process for the preparation of 2,6-dialkyl naphthaline
08/24/1988EP0279463A2 Graft polymerization of substituted styrene polymers having pendant vinylidene groups
08/24/1988CN87101646A Xylene prodn. employing a dual purpose isomerization/transalkylation zone
08/23/1988US4766264 Gallium loaded zeolite catalyst
08/17/1988CN88100364A Process for preparing deuterated organic compounds
08/16/1988US4764635 Aromatization process
08/16/1988US4764356 Process for synthesizing a zeolite catalyst on a pH controlled basis to improve catalyst life
08/16/1988CA1240709A1 Selective oxidation of hydrogen
08/11/1988DE3802378A1 Process for the dehydrogenation of hydrocarbons
08/09/1988US4762957 Process for isomerization of alkylaromatics
08/03/1988EP0276675A2 Process for the preparation of deuterated organic compounds
08/03/1988EP0276524A1 Xylene production employing isomerization and transalkylation
08/03/1988CN87100517A Dehydrogenation catalyst for alkyl aromatic hydrocarbons
08/02/1988US4761515 Vaporization, heat exchanging
08/02/1988US4761512 L-type zeolite treated with a halogen-containing compound and platinum deposited thereon
08/02/1988US4761511 Crystalline galloaluminosilicates, steam-modified crystalline galloaluminosilicates, their preparation and their use as catalysts and catalyst supports
08/02/1988US4761508 Ketoprofen intermediate