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| Number | Title | Issue Date |
| 5334531 | Plasmid vector for expression in bacillus and used for cloning the structural gene which codes for the human growth hormone and a method of producing the hormone The description relates to a plasmid vector expression in Bacillus and used for cloning the structural gene which codes for the human growth hormone, a recombinant DNA molecule comprising plasmid vector and the structural gene of the human growth hormone ... | 08/02/1994 |
| 5329756 | Automatic device for starting a two-for-one twisting station after interruption of the feed yarn and relative automatic process There is described an automatic device for restarting a two-for-one twisting station after yarn interruption, the device being provided on a carriage which patrols the twisting machine faces and is equipped to discharge a completed bobbin, seize the yarn ... | 07/19/1994 |
| 5329145 | Heterojunction bipolar transistor and its integration method There is disclosed a heterojunction bipolar transistor (HBT) which operates as either the emitter top mode performance or the collector top mode performance and also operates for low power dissipation due to lower ON voltages. A high gain, ultra-high spee... | 07/12/1994 |
| 5321188 | Process and catalyst for converting methane into higher hydrocarbon products Methane is converted into higher hydrocarbon products, and especially into ethane and ethylene, by oxidative coupling, by bringing a gaseous mixture containing methane and oxygen into contact at high temperature for a short contact time with a solid catal... | 06/14/1994 |
| 5320995 | Catalysts for the polymerization of olefins A catalyst for the polymerization of olefins, containing magnesium, chlorine, aluminium and at least one transition metal, in a dispersed or emulsified form within an inert diluent, is obtained by: contacting, in an inert diluent, a magnesium dialkyl and alumi... | 06/14/1994 |
| 5319116 | Lecithin fractions and dilutions, methods for their preparation and pharmacological uses thereof Disclosed are compositions comprising neutral, negatively and positively charged glycolipids phospholipids derived from lecithin, particularly lecithin fractions, and dilutions of lecithin or lecithin fractions. Also disclosed are methods for the preparat... | 06/07/1994 |
| 5312793 | Stable aqueous suspensions of zeolite which can be easily pumped Stable aqueous suspensions of zeolite 4A which can be easily pumped, containing from 0.5 to 65% of zeolite and from 0.05 to 6 g (per 100 g of zeolite) of a suspending agent, composed of mixtures of ethoxylated alkanols, said mixtures being obtained by eth... | 05/17/1994 |
| 5310841 | Liquid composition polymerizable to yield organic glasses with low water absorption and high thermal stability A liquid composition, polymerizable by free-radical polymerization to yield organic glasses which are endowed with characteristics of low water absorption and high thermal stability, is constituted by the product of transesterification of diallyl-carbonat... | 05/10/1994 |
| 5309311 | Electrical apparatus for differential current protection An electrical apparatus for magnetothermal and differential protection, of the type comprising a device for sensing differential currents associated with a magnetothermal protection switch, comprises a differential current sensor connected to an input of ... | 05/03/1994 |
| 5307201 | Electrode of nickel oxide intercalated with lithium ions and electrochromic devices which incorporate such an electrode An electrode of nickel oxide intercalated with lithium ions, is obtained by: thermally evaporating, under vacuum, nickel oxide (Ni2 O3) and depositing on a conductive glass substrate a film of nickel oxide in which the atomic ratio o... | 04/26/1994 |
| 5304311 | Method for removing hydrocarbon products from the surface of an aqueous medium Method for removing hydrocarbon products from the surface of an aqueous medium, in particular from the surface of water masses, such as sea, rivers, lakes, ponds, basins, and so forth, which consists in bringing said hydrocarbon products into contact with... | 04/19/1994 |
| 5303538 | Device and procedure for preparing the thread end to start or resume open-end spinning The thread end to be used for rejoining in an open-end spinning frame is prepared by cutting it to size and then introducing it into a pipe with a vigorous air flow running through the pipe and contacting the thread end with a vibrating blade, freeing the... | 04/19/1994 |
| 5302624 | Process for producing polystyrene foam The present invention relates to a process to produce polystyrene foam comprising mixing a predetermined amount of masterbatch mix and a styrenic polymer, heating this mixture, injecting CO2 and/or nitrogen, in gas or liquid form, as a blowing ... | 04/12/1994 |
| 5300113 | Cardiac ventricular assistance device particularly for compensating for weakened heart muscle function and for maintaining the vital body functions A single cardiac ventricular assistance device intended to integrate the ctions of a ventricular assistance device (V.A.D.) proper and of an aortic balloon pump (IABP) includes a single energy source which causes the simultaneous rhythmic contraction of ... | 04/05/1994 |
| 5298474 | Supported catalyst for the (co)polymerization of ethylene A solid component of catalyst for the (co)polymerization of ethylene is composed of a silica support and of a catalytically active part containing titanium, magnesium, chlorine and alkoxy groups, and is obtained by: (i) activating a silica support by contact w... | 03/29/1994 |
| 5296638 | Process for preparing carboxylated 2-allyl-phenols An improved process for preparing carboxylated 2-allyl-phenols of general formula (I): ##STR1## is disclosed, which consists of a first step of simultaneous esterification and etherification of a carboxylated phenol, subsequent rearrangement of ... | 03/22/1994 |
| 5292850 | Polysiloxanic stabilizers containing sterically hindered phenol group and reactive groups Polymeric stabilizers with a polysiloxanic structure contain sterically hindered phenol groups and reactive groups capable of binding themselves to the polymeric structure to be stabilized. These polymeric stabilizers are particularly suitable for applica... | 03/08/1994 |
| 5291729 | Method for pneumatic threading in a twister with a double hollow mandrel spindle A method for pneumatic threading in a two-for-one twisting spindle having a double hollow mandrel. The method comprising seizing the initial portion of wound yarn from a bobbin positioned on the lower hollow mandrel in the spindle basket and feeding a suf... | 03/08/1994 |
| 5290533 | Method for production of a coated substrate with controlled surface characteristics A crystalline, porous, synthetic material is disclosed, together with its related preparation process. Such a material of zeolitic character, containing silicon, titanium and iron oxides, corresponds, in its calcined and anhydrous state, to the following ... | 03/01/1994 |
| 5290464 | Lubricant compositions for autotraction A lubricant composition comprises: a) a mineral base oil; b) a synthetic base oil; c) a long-chain dialkyl carbonate; d) a parcel of usual additives; and e) viscosity index and pour point improvement additives. Component c) is the product of transesterifi... | 03/01/1994 |
| 5281768 | Suspension-type line arrester An insulator for use in a suspension-type line arrester that supports a transmission line is disclosed. Such line arresters have a plurality of insulators connected in a string. The insulators have linking members configured to prevent relative rotation b... | 01/25/1994 |
| 5278415 | Method of producing standardization samples for liquid scintillation counting quench curve and a foil A method for producing standardization samples (11, 21) for obtaining the quench curve which describes the relationship between the counting efficiency and the amount of the quench of the sample is described. According to this method the different quench ... | 01/11/1994 |
| 5278117 | Supported catalyst for ethylene polymerization and the copolymerization of ethylene with alpha-olephins, its preparation and use A supported Ziegler-Natta catalyst active in ethylene polymerization and in the copolymerization of ethylene with alpha-olefins consists of: (A) a cocatalyst in the form of an organometallic compound of aluminium, and (B) a solid catalyst component obtained by... | 01/11/1994 |
| 5276470 | Symbol imprinting mechanism for cameras A mechanism for imprinting an image on film is disclosed. The mechanism is simple, compact and inexpensive. The mechanism fits onto a camera's film door on most modern cameras, providing an interchangeable, universal system. Symbols on preprinted tapes ar... | 01/04/1994 |
| 5275995 | Dehydroisomerization catalyst and its use in the preparation of isobutene from n-butane A catalyst is described for the preparation of isobutene by dehydroisomerization of n-butane consisting of a solid, granular support of porous gamma-alumina on the surface of which catalytic quantities of platinum, silica and preferably also one or more p... | 01/04/1994 |
| 5274029 | Styrene polymerization process An improved process for the polymerization of styrene is provided. The process comprises feeding styrene monomer and a mixture of peroxides, which decompose at progressively higher temperatures, into a prepolymerization vessel maintained at 200°-270° F.... | 12/28/1993 |
| 5273009 | Silicon-nitride-inserted piston A metal of which the body of a piston is formed contains iron as its main component, and the configuration of a silicon nitride member, the high-temperature strength of the silicon nitride material that composes the silicon nitride member, the melting poi... | 12/28/1993 |
| 5272214 | Radial and branched block copolymers, compositions which contain them, their preparation and their use in bituminous compositions Radial and branched block copolymers show a structure: ##STR1## wherein: Z is a radical deriving from a tetrafunctional coupling agent; A is a polystyrene block; B is a polybutadiene block m, n, p, q are either 1 or zero, with the condition that their sum is ... | 12/21/1993 |
| 5270470 | Process for the synthesis of allylated derivatives of 2,2,6,6-tetraalkylpiperidinols A process is disclosed for the synthesis of 4-allyloxy-2,2,6,6-tetraalkylpiperidinic derivatives by starting from the corresponding 2,2,6,6-tetraaLkyLpiperidinols and from an allyl halide, characterized in that the reaction is made to take place in the ab... | 12/14/1993 |
| 5269987 | Process for producing alkenyl aromatic foams using a combination of atmospheric and organic gases and foams produced thereby There is disclosed a process for producing alkenyl aromatic foams utilizing a combination of atmospheric and organic gases as blowing agent, preferably using greater than 30% by weight of atmospheric gas, and preferably also using a predetermined about of... | 12/14/1993 |
| 5268574 | Transfer device for cassettes containing radioactive samples in a gamma counter and cassette system A transfer device for cassettes containing radioactive samples and a cassette system in a gamma counter provided with a well-type detector. The transfer device comprises a path (61), by which cassettes (11, 12, 13) can be moved one at a time to a lifting ... | 12/07/1993 |
| 5268530 | Superconductive tube for magnetic shielding and manufacturing method therefor A superconductive tube for magnetic shielding has a cylindrical substrate composed of at least two members, an intermediate medium placed upon a surface of the inner and/or the outer wall of the substrate, and a layer containing a superconductive oxide, p... | 12/07/1993 |
| 5268366 | Polysaccharide composition or polysaccharide having heparinoid activity, process for producing the same, and anticoagulant containing the same as active ingredient The present invention provides 1) a polysaccharide composition and a polysaccharide both having a heparinoid activity, obtained from green algae belonging to Codiaceae of Codiales, 2) a processes for producing said polysaccharide composition and said poly... | 12/07/1993 |
| 5266676 | Low-crystallization-speed polyesters, and process for their preparation Low-crystallization-speed polyesters obtained by means of the polycondensation of 2,6-naphthalene-dicarboxy acid with at least one (C2 -C10)-(cyclo)alkylene glycol in the presence of 0.5-50 mol % of a copolymerizable reactant of gene... | 11/30/1993 |
| 5266540 | Process for the regeneration of active carbon The regeneration of active carbon onto which one or more organic substances may be adsorbed is achieved by means of a photodegrading process catalyzed by a semiconductor.... | 11/30/1993 |
| 5266027 | Roller-hearth continuous furnace The roller-hearth continuous furnace of the present invention comprises a tunnel-shaped furnace housing provided with a larger number of rollers shielded from outside, the inside of the furnace being divided into a heating section, a soaking section and a... | 11/30/1993 |
| 5264604 | Oxamidic stabilizers Oxamidic stabilizers containing organofunctional groups of silicon, capable of producing polymeric structures or of chemically binding themselves to a solid support.... | 11/23/1993 |
| 5264518 | Polycarbodiimide pulp and process for producing thereof The present invention is intended to provide a polycarbodiimide pulp improved in heat resistance, etc. and a process allowing for easy production of said polycarbodiimide pulp. The polycarbodiimide pulp of the present invention consists substantially of a... | 11/23/1993 |
| 5264307 | Solid, polymeric, polyether based electrolyte A solid, polymeric electrolyte is prepared by: 1) blending: (a) a macromer of formula (I) ##STR1## wherein R =methyl, ethyl, n is an integer comprised within the range of from 2 to 20, x is an integer comprised within the range of from 2 to 5; (b) a difun... | 11/23/1993 |
| 5262580 | Musical instrument digital interface processing unit A musical information digital interface processing unit is interposed between a host processor, such as a personal computer, and an electronic musical instrument for interfacing the host processor and the electronic musical instrument by converting the da... | 11/16/1993 |