Patents for C07F 7 - Compounds containing elements of the 4th group of the periodic system (40,376)
11/1981
11/10/1981US4299936 Polymerization
11/04/1981EP0038869A1 Process for the preparation of 1-carbapenems, and intermediates for their preparation
11/03/1981US4298754 15-Deoxy-16-hydroxy-16-(1'fluorovinyl) prostaglandins and derivatives
11/03/1981US4298753 Reaction of chlorosilanes with alcohols
11/03/1981US4298741 Dethiapenicillin antibiotics
11/03/1981US4298558 High yield silicon carbide pre-ceramic polymers
11/03/1981CA1111859A1 Haloorganometallic lithium salt complex compositions and electrolyte compositions containing these
11/03/1981CA1111636A1 Photoconductive recording material
10/1981
10/28/1981EP0038613A1 Novel prostaglandins E1 and anti-thrombotic compositions containing them
10/27/1981US4297516 Prostaglandins
10/27/1981US4297500 By reaction with hydrogen chloride and aluminum trichloride, aluminum oxychloride or aluminum tribromide
10/27/1981US4297499 Novel disubstituted dichlorosilane and method for producing same
10/27/1981US4297349 Silicon-bearing carboxylic acids and amides
10/27/1981CA1111420A1 Acetylene derivatives
10/21/1981EP0038087A2 Beta-lactam containing compounds, their preparation and use
10/21/1981EP0037973A1 Process for the synthesis of estrone or estrone derivatives
10/20/1981US4296240 Silacycloalkane amides
10/20/1981US4296236 Antibiotics
10/20/1981US4296123 Cataracts
10/20/1981US4296035 Total synthesis of the utero-evacuant substance d,l-zoapatanol
10/20/1981US4296030 Metal chelates of 1,4-bis(substituted-amino-5,8-dihydroxy-anthraquinones
10/20/1981US4295986 Low temperature catalytic reduction
10/20/1981CA1111042A1 Silicon-modified imidyl-phthalic acid derivatives
10/20/1981CA1110930A1 Treated hydrated alumina
10/20/1981CA1110806A1 Compositions containing silicon compounds
10/14/1981EP0037592A2 Beta-lactam compounds
10/14/1981EP0037486A2 Metal chelates of 1,4-bis(substituted-amino)-5,8-dihydroxy-anthraquinones
10/13/1981US4294975 Hydroalkenyloxysilanes
10/13/1981US4294772 Oxime derivatives for protecting plant crops
10/13/1981US4294713 Grease compositions containing selected shielded polysilicate compounds
10/13/1981CA1110665A1 Polymerizable acetylenic oligomers
10/13/1981CA1110646A1 Conversion of halo-organosilanes by redistribution reaction
10/13/1981CA1110645A1 Process for preparing oxime containing silicone compounds
10/07/1981EP0037297A1 Powder for the development of latent images and process for its preparation
10/07/1981EP0037082A1 Process for the preparation of 1-carbapenems and intermediates via silyl-substituted dithioacetals
10/07/1981EP0037081A1 Process for the preparation of 1-carbapenems and intermediates via trithioorthoacetates
10/07/1981EP0037080A1 4-(3-carboxy-2-oxopropyl)-azetidino-2-ones and process for their preparation
10/06/1981US4293704 Novel 2-substituted-3,4-epoxycyclopentan-1-ones, 2-substituted-3,4-epoxycyclopentan-1-ols, and various 2-substituted-cyclopentenones
10/06/1981US4293593 Method of fabricating heat mirror for incandescent lamp envelope
10/06/1981CA1110231A1 7.beta.-AMINO-CEPHAM-3-ONE-4-CARBOXYLIC ACIDS
10/01/1981WO1981002736A1 Process for treating silicon particles within a silicon reactor system
09/1981
09/29/1981US4292434 Using a catalyst comprising a complex of a platinum halide, an olefin, and a primary or secondary amine
09/29/1981US4292433 Using a catalytic complex of dichlorobis/triphenylphosphine/platinum to react allyl chloride and trichlorosilane; by-product inhibition
09/29/1981US4292252 Process for preparing organotin esters
09/29/1981US4292234 Trialkoxysilyl-azides, -thiosulfenamides, silacycloalkyl-mercaptans, and/or -disulfides; coupling
09/29/1981CA1109889A1 Phenoxyalkyl trialkoxysilanes and method for preparing same
09/29/1981CA1109887A1 CYCLISATION SUBSTRATES AND 6.alpha.-SUBSTITUTED 19- NORSTEROID DERIVATIVES
09/22/1981US4291175 1-Hydroxymethyl-11-deoxy-15-hydroxy-prosten-1-ol-derivatives
09/22/1981US4291174 1-Hydroxymethyl-15-hydroxy-prosten-1-ol derivatives
09/22/1981US4291167 Preparation of tetramethyldisilane from 1,2-tetramethyldichlorodisilane
09/22/1981US4291159 9,11-Dideoxy-10-oxa-TXB intermediates
09/22/1981US4291030 Method of lowering blood cholesterol
09/22/1981US4290947 Process for the preparation of thienamycin and intermediates
09/16/1981EP0035689A1 4-Substituted-2-oxoazetidine compounds, processes for their preparation, and their use for preparing antibiotics
09/16/1981EP0035649A2 Liquid cold-stable titanium catalyst composition and process for its preparation
09/16/1981EP0035641A2 Cystein derivatives, process for their preparation and medicines containing them
09/15/1981US4289910 Prostaglandin analogs
09/15/1981US4289891 Hydrolysis of appropriate chlorosilanes, inexpensive
09/15/1981US4289890 High yield and good purity
09/15/1981US4289889 From copper-activated silicon and an alkanol in the presence of dimethylamine
09/15/1981CA1109068A1 Sulfam(na)phthaleins
09/08/1981US4288633 1-Hydroxymethyl-11-deoxy-16-hydroxy-prosten-1-ol-derivatives
09/08/1981US4288632 1-Hydroxymethyl-11,16-dihydroxy-prosten-1-ol derivatives
09/08/1981US4288630 Hypotensives, antisecretory, anticoagulants, bronchodilators
09/08/1981US4288604 Method for the production of tetraalkyl silicates
09/08/1981US4288603 Accelerators for thermally curable epoxy resins
09/08/1981US4288375 Novel organosilane compounds
09/08/1981US4288345 Platinum complex
09/02/1981EP0034924A2 Process for preparing 3-iodomethyl cephalosporins
09/01/1981US4287354 And process of making tellurium(ii) compounds by reducing elemental tellurium to the minus two state, and reacting with a halide-containing silane
09/01/1981US4287123 Synthesis of thienamycin via (3SR, 4RS)-3-((RS)-1-acyloxyethyl)-2-oxo-4-azetidineacetate
09/01/1981CA1108166A1 Tetrasubstituted organotin compounds
09/01/1981CA1108150A1 Triorgano-tin cyanometallate compounds
08/1981
08/26/1981EP0034443A2 Beta-lactam antibacterial compounds, their preparation and pharmaceutical compositions containing them
08/26/1981EP0034394A2 Process for the preparation of 3'-bromosubstituted deacetoxycephalosporanic acid sulphoxide derivatives
08/25/1981US4285856 Imidothioesters
08/25/1981CA1107749A1 Process for preparing dimethyltin dichloride
08/20/1981WO1981002296A1 New prosta erivatives,preparation and utilization thereof
08/19/1981EP0034118A2 Metal mercaptides of esters of beta-mercapto alcanols, their use as stabilisers and organic materials stabilised therewith
08/18/1981US4284565 Total synthesis of 1RS,4SR,5RS-4-(4,8-dimethyl)-5-hydroxy-7-nonen-1-yl)-4-methyl-3,8-dioxabicyclo[3.2.1]octane-1-acetic acid and related compounds
08/12/1981EP0033536A2 6(R)-(2-(8'-etherified-hydroxy-2',6'-dimethylpolyhydro-naphthyl-1')-ethyl)-4(R)-hydroxy-3,4,5,6-tetrahydro-2H-pyran-2-ones, the hydroxy acid form of said pyranones, the salts of said acid form, process for preparing the same and an antihypercholesterolemic pharmaceutical composition containing the same
08/11/1981US4283578 Process for making glycol
08/11/1981US4283550 Bronchodilator agents, hypotensive agents, antiulcer agents
08/11/1981US4283488 Silver halide emulsions
08/11/1981US4283348 Sodium ethoxide promoted cyclization of levulinic acid esters
08/05/1981EP0033098A2 N-methyl-N-silyl-carbamates, processes for their preparation and their use as pesticides
08/04/1981USRE30698 Hydraulic fluids comprising orthosilicate esters
08/04/1981US4282366 Organosilicon quaternary ammonium antimicrobial compounds
08/04/1981US4282299 Photoconductive recording material containing a zinc oxide particle and a metallic mercapto compound
08/04/1981US4282236 β-Lactam antibacterial agents, their use in pharmaceutical compositions, and intermediates
08/04/1981US4282166 Preparation of lower trialkyltin hydride from trialkyltin chloride
08/04/1981US4282165 Preparation of trimethyltin chloride from dimethyltin dichloride
08/04/1981US4282155 Antihypercholesterolemic compounds
08/04/1981US4282150 Chemical intermediates for penicillins and cephalosporins
08/04/1981US4282145 Process for the preparation of azetidines
08/04/1981CA1106410A1 Process for the preparation of 1-(4-isopropylmercapto- phenyl)-2-n. octylaminopropanol
08/04/1981CA1106362A1 N-substituted triorgano-stannylhydrocarbylcarboxylic acid hydrazides
07/1981
07/28/1981US4281153 Useful as bronchodilators, hypotensive agents and agents for the control of gastric secretion
07/28/1981US4281149 Process for treating silicon particles within a silicone reactor system
07/28/1981US4281148 Method for the preparation of a triorganosilylated 2,3-unsaturated alcohol