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| Number | Title | Issue Date |
| 4005047 | Catalytic composition and its use for polymerizing cycloolefins New catalytic composition of improved activity in the process of polymerizing cycloolefins, comprising a carbonyl compound or a carbonyl-metal-carbenic compound of molybdenum or tungsten and titanium tetrachloride, said composition being preferably subjec... | 01/25/1977 |
| 4004020 | Novel prostanoic acid derivatives and process for the preparation thereof Prostaglandins of the formula ##STR1## wherein R1 is hydroxymethyl, carboxy, aryloxycarbonyl, alkoxycarbonyl of 1-8 carbon atoms in the alkoxy group, or the group -COO-CH2 -U-V wherein U is a direct C-C bond, carbonyl or carbony... | 01/18/1977 |
| 4002670 | Nematic compounds and mixtures Compounds of the general formula ##STR1## wherein n is 0, 1 or 2, R1 is straight-chain alkyl or alkoxy of 1-7 carbon atoms or straight-chain alkanoyloxy of 2-7 carbon atoms, and R2 is straight-chain alkyl or alkoxy of 1-7 carbon... | 01/11/1977 |
| 4001343 | Process for manufacturing dicyclohexanol propane by hydrogenating diphenol propane Process for manufacturing dicyclohexanol propane by hydrogenating, with molecular hydrogen, in the presence of a hydrogenation catalyst, diphenol propane dissolved in 2 ethyl-hexanol, adding water at the end of the reaction, distilling the reaction produc... | 01/04/1977 |
| 4001137 | Nematic compounds and mixtures Compounds of the general formula ##STR1## wherein n is 0, 1 or 2, R1 is straight-chain alkyl or alkoxy of 1-7 carbon atoms or straight-chain alkanoyloxy of 2-7 carbon atoms, and R2 is straight-chain alkyl or alkoxy of 1-7 carbon... | 01/04/1977 |
| 4001302 | 9,10-Secoestrane derivatives and their production 9,10-Secoestranes, useful as intermediates in the total synthesis of steroids, of the formula ##STR1## WHEREIN N IS 1 OR 2, R1 is lower alkyl, R2, R3 and R4 are hydrogen, alkoxy or acyloxy, X is free or ket... | 01/04/1977 |
| 4001741 | Low working temperature reed glasses A glass having a softening temperature (EW) between 596° and 634° C. and a working temperature (VA) between 792° and 863° C., said glass being produced from a melt having a composition expressed in percentages by weight as follow... | 01/04/1977 |
| 4001411 | 2-Acyl-4-oxo-pyrazino-isoquinoline derivatives and process for the preparation thereof 2-Acyl-4-oxo-hexahydro-4H-pyrazino[2,1-a]isoquinoline derivatives of the formula ##STR1## wherein COR is the acyl radical of an up to 26 carbon atom acid and their physiologically acceptable acid addition and quaternary ammonium salts, are anthe... | 01/04/1977 |
| 4001298 | Triiodized N-methyldicarboxylic acid anilides Triiodized N-methyldicarboxylic acid anilides of the Formula ##STR1## wherein R1 is hydrogen, halogen, carboxyl, N-monoacylamino, N-monoalkoxyacylamino, N-alkyl-N-acylamino, N-alkyl-N-alkoxyacylamino, N,N-diacylamino, N-acylaminomethyl, ... | 01/04/1977 |
| 4000354 | Process for the production of isotactic polypropylene Polypropylene can be polymerized with Ziegler-Natta TiCl3 or TiCl3 . (AlCl3)0.2.sub.-0.6 plus chlorine containing organoaluminum compound mixed catalyst using butene-2 or a C4 -cut comprising butene-2... | 12/28/1976 |
| 4000332 | High protein low calorie dairy spread and its production High protein, low calorie dairy spread water-in-oil emulsions having a 20-65% aqueous phase are produced employing as the aqueous phase a protein concentrate having a 13-20% protein content and obtained as a by-product in the manufacture of butter from so... | 12/28/1976 |
| 4000199 | Process for the production of acetone Acetone is produced by the catalytic, oxidative decarbonylation of isobutyraldehyde in the gaseous phase by contacting a gaseous mixture of 1-15% by volume of isobutyraldehyde, at least a stoichiometric amount and up to about 30% by volume of oxygen, and ... | 12/28/1976 |
| 4000085 | Process for manufacturing gels containing iron and molybdenum and the uses thereof Gels containing molybdenum and iron and optionally other metals, are useful in the production of catalysts or as optical filters. They are produced by conducting essentially a solid - solid reaction between a compound of molybdenum, e.g. ammonium molybdat... | 12/28/1976 |
| 3999997 | Optical glass Optical glass with a path length independent of temperature includes SiO2, B2 O3, K2 O, BaO, ZrO2, TiO2, Nb2 O5, P2 O5 and F in specified percentages ... | 12/28/1976 |
| 3999996 | Compatible near-portion phototropic glass Glass as near-portion material for fusion with known phototropic far-portion glasses for multifocal spectacle lenses has a linear thermal expansion coefficient between 45 and 58 × 10-.sup.7 /° C, a refractive index of nd ࣙ1.60, a... | 12/28/1976 |
| 4000058 | Catalyst for hydrocarbon conversion New catalyst containing a carrier, platinum, iridium, manganese and optionally halogen. This catalyst is useful for reforming and dehydrogenation of hydrocarbons.... | 12/28/1976 |
| 3998847 | 9,10-Secoestrane derivatives and their production 9,10-Secoestranes, useful as intermediates in the total synthesis of steroids, of the formula ##STR1## wherein n is 1 or 2, R1 is lower alkyl, R2, R3 and R4 are hydrogen, alkoxy or acyloxy, X is free or ket... | 12/21/1976 |
| 3998778 | Pourable elastomeric particles Discrete, finely divided, tack-free elastomer particles are prepared from a filler-containing aqueous elastomer emulsion containing an aqueous emulsion of an elastomer dissolved in a volatile inert organic solvent having an emulsifying amount of a quatern... | 12/21/1976 |
| 3995023 | Process for the production of allergen-containing extracts Improved allergen-containing extracts are obtained by the extraction of allergy-causing materials, such as pollen and house dust, with hydrophilic aqueous extractants, by pretreating the allergen-containing material with a lipophilic, aqueous extraction l... | 11/30/1976 |
| 3994937 | 15,16-Methylene-4-estren-17ଲ-ols 15,16-METHYLENE-4-ESTREN-17ଲ-OLS OF THE Formula ##SPC1## Wherein R1 is lower alkyl, R2 is hydrogen or an acyl residue, R3 is hydrogen or a substituted or unsubstituted, saturated or unsaturated monovale... | 11/30/1976 |
| 3995096 | Process for preventing encrustations during the manufacture of polymers and copolymers of vinyl chloride by suspensions polymerization Encrustations on reactor walls and associated equipment employed in the aqueous suspension polymerization of vinyl chloride and mixtures thereof with other monomers at 30°-70° C. are prevented by employing in the polymerization charge 0.0005 - 0.05% by ... | 11/30/1976 |
| 3994798 | Module electrode assembly for electrolytic cells Novel bipolar electrodes are provided. Such electrodes include an anode in the form of a plate, which is made of a suitable anodic metal, e.g. platinum plated titanium. The cathode is also in the form of a metallic plate and also is formed of a suitable c... | 11/30/1976 |
| 3994050 | Fastening clips A fastening clip for mounting paintings and the like which comprises a piece of spring material, having two substantially opposing pincers which are adapted for clamping something between them, a connecting part extending from the first pincer to the seco... | 11/30/1976 |
| 3993760 | Pyrazinoisoquinolines as anthelmintic agents (-)-2-Benzoyl-4-oxo-1,2,3,6,7,11b-hexahydro-4H-pyrazino[2,1-a]isoquinoline is prepared by benzoylation of (-)-4-oxo-1,2,3,6,7,11b-hexahydro-4H-pyrazino[2,1-a]isoquinoline, or cyclization of a compound of the formula ##SPC1## Wherein X is F, Cl, Br, I... | 11/23/1976 |
| 3992891 | Process for recovering energy from liquefied gases In a process for recovering the energy from a liquefied gas by evaporation in heat exchange with a cycle medium which is simultaneously cooled, said cycle medium being thereafter compressed, heated, subjected to engine expansion and recovered in a cyclica... | 11/23/1976 |
| 3993759 | Anthelmintic 2-Benzoyl-4-oxo-1,2,3,6,7,11b-hexahydro-4H-pyrazino[2,1-a]isoquinoline is used as an anthelmintic against cestodes and trematodes, preferably in admixture with a pharmaceutically acceptable carrier.... | 11/23/1976 |
| 3992374 | Amino-substituted nitroimidazolyl-methyleneaminoimidazolidinones Amino-substituted nitroimidazolyl-methyleneaminoimidazolidinones of the formula ##SPC1## Wherein --NR2 R3 is dialkylamino or heterocyclic amino, and the physiologically acceptable salts thereof, possess antitrichomonial activity... | 11/16/1976 |
| 3992465 | Process for manufacturing and separating from petroleum cuts aromatic hydrocarbons of high purity Process for producing aromatic hydrocarbons, particularly benzene and/or toluene from a feed charge containing saturated and unsaturated hydrocarbons, by catalytic treatment of said charge with hydrogen, fractionation of the resulting product to separate ... | 11/16/1976 |
| 3992468 | Process for the catalytic hydrodealkylation of alkylaromatic hydrocarbons Process for hydrodealkylating alkylaromatic hydrocarbons using a catalyst comprising at least two metals deposited on a carrier, a first of these two metals being selected either from the group consisting of cobalt, ruthenium, osmium, palladium, rhodium, ... | 11/16/1976 |
| 3991579 | Self advancing support chocks A self-advancing chock for supporting the roof of the gallery of a mine near the working face utilizing one or more lever arms articulated to the forward portion of a base (nearer the working face) and to the rear portion of a roof-supporting cap. The cap... | 11/16/1976 |
| 3992443 | Process for the carboxymethylation of alcohols or ether alcohols Alcohols, preferably ethoxylated alcohols, are carboxymethylated by reacting a mixture thereof and a salt of chloroacetic acid with an alkali hydroxide.... | 11/16/1976 |
| 3992386 | 4(Quinolyl)phenoxy alkanoic acid derivatives Phenoxyacetic acids of the formula ##SPC1## Wherein R1 is H or alkyl of 1-4 carbon atoms; R2 is H, or when R4 is Q, also alkyl of 1-4 carbon atoms; R3 is methyl, phenyl or chlorophenyl; and R4 is pipe... | 11/16/1976 |
| 3990963 | Process for regenerating used lubricating oils Used lubricating oils are first heated to 200°-500° C, optionally with added steam, and then filtered through a membrane such as an ultra-filtration membrane. The latter has preferably a cut range of from 5,000 to 300,000.... | 11/09/1976 |
| 3990956 | Electrochemical reduction of ,ଲ-unsaturated keto steroids A process for the preparation of keto steroids by electrochemical reduction, comprising electrolyzing a ,ଲ-unsaturated keto steroid in a nonaqueous nitrogen-containing solvent containing an electrolyte which is at least one of: A. a quaternar... | 11/09/1976 |
| 3989818 | Influenza virus vaccine Influenza virus is purified, fractionated or concentrated in an aqueous medium, using a linear filamentary non-charged polymer, preferably polyethylene glycol, as an insolubilising agent, at a concentration not exceeding 5% by weight. Impurities and large... | 11/02/1976 |
| 3989833 | Pharmaceutical compositions containing adenine derivatives Adenine derivatives of the formula ##SPC1## Wherein R is phenyl or thienyl, and the physiologically acceptable acid addition salts thereof, possess, with good compatibility, cardio-active properties and are produced by the reaction of a purine derivative ... | 11/02/1976 |
| 3988468 | 7-Methoxy-6-thiatetracyclines and their preparation 7-Methoxy-6-thiatetracyclines of the formula ##SPC1## Wherein R1, R2, R3 and R4 each are H or alkyl of 1 to 4 carbon atoms, and the physiologically acceptable acid addition salts thereof.... | 10/26/1976 |
| 3987159 | Stable sensitized erythrocytes and preparation means Stable preparations of sensitized erythrocytes are provided by simultaneously admixing washed erythrocytes in a buffered aqueous solution of glutaraldehyde, antigen or antigen-protein conjugate and formaldehyde. After washing, the separated sensitized ery... | 10/19/1976 |
| 3986841 | Apparatus for the continuous production of saturated aliphatic dicarboxylic acids Apparatus for the continuous production of saturated aliphatic dicarboxylic acids by the catalyzed nitric acid oxidation of the corresponding cycloalkanols and cycloalkanones with recirculation of the reaction sludge and the reaction gases, which comprise... | 10/19/1976 |
| 3987099 | Process for hydrogenation of dodecanedioic acid dinitrile A process for the catalytic hydrogenation of dodecanedioic acid dinitrile to the corresponding primary amine employing a hydrogenation catalyst which comprises 5-35% by weight of at least one of catalytically active cobalt and nickel as the active compone... | 10/19/1976 |
