OMPI – Búsqueda en las colecciones de patentes nacionales e internacionales

1.WO/1982/001302MACHINE FOR LASTING SIDE PORTIONS OF SHOES

WO - 29.04.1982

Clasificación Internacional A43D 21/00 Nº de solicitud PCT/US1981/001391 Solicitante USM CORPORATION Inventor/a BERGER, Jean-Pierre

A side lasting machine has a last support (10), on which a last can be supported, bottom uppermost, and two side lasting assemblies (16), arranged one at each side of the last support. Each assembly (16) comprises a plurality of lasting fingers (46), a plurality of clamp pads (72), disposed each beneath a pair of the fingers (46) and mounted for limited pivotal movement about a vertical axis (136), and a plurality of lasting bands (128), depending one from each finger (46) and interposed between the pads (72) and shoe upper. In operation, as the fingers (46) move inwardly, the bands (128), held against the upper with sufficient pressure to allow slip between the bands (128) and pads (72), are drawn upwardly and the upper is thus updrafted, before being secured to the insole. In the rest condition, the fingers (46) are disposed above the level of the insole. As they move inwardly they also move downwardly on to the shoe, thus avoiding any need to set their heightwise position for different shoe styles.

2.WO/1983/003060METHOD TO SPREAD A PULP FOR ITS NATURAL DRYING

WO - 15.09.1983

Clasificación Internacional B01D 24/20 Nº de solicitud PCT/FR1983/000046 Solicitante SOCIETE METALLURGIQUE LE NICKEL - S.L.N. Inventor/a CARDINI, Jean-Louis

Method to spread a pulp of which the solid fraction has a d₈₀ lower than 100 micrometers, for its natural drying. The method is characterized in that it comprises the following consecutive steps: a) adjustment of the proportion of solid material of the pulp to a value comprised between 2 and 25 %; b) addition and mixture of a flocculant to the pulp, the dose of flocculant being comprised between 2 thirds and 98 % of the optimum dose required to flocculate such a pulp; c) spreading at the open air in a basin of which the edges are permeable and of which the bottom has a gradient lower than 5 per thousand, said spreading being carried out within a time delay from 1 to 20 minutes after the addition and mixing of said flocculant.

3.WO/1996/033969METHOD OF HYDROCYANATING UNSATURATED NITRILES INTO DINITRILES

WO - 31.10.1996

Clasificación Internacional C07C 253/10 Nº de solicitud PCT/FR1995/000546 Solicitante RHONE-POULENC CHIMIE Inventor/a HUSER, Marc

The present invention concerns a method of hydrocyanating ethylenically unsaturated dinitriles into saturated dinitriles, in particular hydrocyanating pentene nitriles into adiponitrile, one of the base compounds for the production of polyamide 66. More precisely, the invention concerns a method of hydrocyanating an ethylenically unsaturated aliphatic nitrile by reaction with hydrogen cyanide in the presence of an aqueous solution of a catalyst comprising a transition metal-sulphonated phosphine compound. The invention is characterized in that the solution also contains a co-catalyst comprising at least one Lewis acid.

4.WO/1998/047691IMPROVED BUTT WELDING METHOD

WO - 29.10.1998

Clasificación Internacional B29C 65/20 Nº de solicitud PCT/FR1998/000804 Solicitante GAZ DE FRANCE (G.D.F.) SERVICE NATIONAL Inventor/a SAURON, Jean

The invention concerns a method for butt welding parts in plastic material(s), consisting in correcting on the basis of room temperature taken (45) in the surroundings of the parts (7,9) at the time of welding, at least one of the following parameters: contact and/or welding pressure of the parts, electric power to be supplied to the means (13, 17) displacing said parts, relative displacements of said parts, time required to obtain seams at the ends of the parts during the phase of heating the parts.

5.WO/1996/034127ALKALINE NITRATE SALT BATH COMPOSITION FOR OXIDISING A FERROUS METAL AND IMPROVING THE CORROSION RESISTANCE THEREOF

WO - 31.10.1996

Clasificación Internacional C23C 8/80 Nº de solicitud PCT/FR1995/000560 Solicitante CENTRE STEPHANOIS DE RECHERCHES MECANIQUES HYDROMECANIQUE ET FROTTEMENT Inventor/a TERRAT, Jean-Paul

A salt bath composition is provided for forming on the surface of ferrous metal, particularly pre-nitrided, parts, an Fe₃O₄ magnetite layer so as to protect the underlying iron against corrosion, said layer being a sealing and ordered crystal layer, thus providing a deep black coloration and a corrosion potential of more than 1 000 mV. The composition includes at least nitrate anions and sodium and lithium cations in a range of 0.1-5 % by weight of the bath, and preferably of 0.5-1.75 %. The preferred compositions contain sodium, potassium and lithium cations, and nitrate, carbonate and hydroxyl anions within the following percentage ranges: 8.5 ≤ CO₃^2- ≤ 26, 15 ≤ NO₃^- ≤ 41,5, 4.7 ≤ OH^- ≤ 21.5. In addition to the exceptional reliability of the oxidizing treatment, the presence of lithium combined with sodium and potassium and nitrate or carbonate anions reduces the formation of carbonated slurries in the bath, probably due to the formation of low melting point ternary nitrate or carbonate compounds.

6.WO/2001/024974TOOL WITH HANDLE-FIXING MEANS

WO - 12.04.2001

Clasificación Internacional B25G 3/04 Nº de solicitud PCT/EP2000/009675 Solicitante MOERMAN NV Inventor/a ADRIAENSSENS, Stephan

The invention concerns a tool provided with a linking element (1) for linking the tool to a handle or a grip, more particularly a cleaning tool, such as, for instance, a floor scrubber, wherein a linking element (1) is fixed to the tool being maintained by a locking edge (14) integral with the tool. Preferably, the linking element (1) is provided with an internal thread (9) and two elastic lips (4) with projections (5) and can be provided in a socket (10) of the tool with the projections opposite the lower edge of a ring (11) enclosing the socket (10). Said handle-linking is simple and efficient and can be done without cumbersome projecting parts.

7.WO/2001/010976DIVALENT CATION-CONTAINING WELL DRILLING AND SERVICING FLUIDS

WO - 15.02.2001

Clasificación Internacional C09K 8/08 Nº de solicitud PCT/US2000/020933 Solicitante TEXAS UNITED CHEMICAL COMPANY, LLC. Inventor/a DOBSON, James, W., Jr.

The invention provides clay-free, preferably biopolymer free, well drilling and servicing fluids comprising an aqueous divalent cation-containing water soluble salt, a bridging agent, and a pre-gelatinized crosslinked amylopectin starch suspending agent and fluid loss control additive. The concentration of the starch derivative is sufficient to provide the fluid with the following characteristics: (a) a low shear rate viscosity less than about 10,000 centipoise; (b) a high shear rate viscosity at 511 sec^-1 in the range from about 15 to about 70 centipoise measured at 120 °F; (c) a fluid loss less than about 10 milliliters as measured at 185 °F and 250 psi differential pressure across a 5 micron disk for 30 minutes; and (d) anti-settling characteristics as exhibited upon static aging the fluid for 16 hours at 185 °F. The low shear rate viscosity of the fluids can be increased without increasing the high shear rate viscosity above about 70 centipoise by incorporating magnesium oxide and/or dipotassium hydrogen phosphate in the fluids. The invention also provides a method of making the clay-free well drilling and servicing fluid and a process of drilling, completing, and working over a well with the clay-free fluid.

8.WO/1983/002241WATER TREATMENT DEVICE

WO - 07.07.1983

Clasificación Internacional C02F 1/48 Nº de solicitud PCT/US1982/001793 Solicitante CORNEY, John, D. Inventor/a CORNEY, John, D.

A fluid ionization device as per figs 1 and 2, having a casing (6) and outer ring of magnets (27) secured equally about the inner circumference of the magnet and an inner ring of magnets (38) secured equally from the outer ring so as to form a annulus (40) between the inner and outer rings which permits constant flow of fluid therebetween at a constant rate to maintain equal ionization of the fluid.

9.WO/1988/005829PROCESS FOR PRODUCING LOW-CARBON FERROCHROMIUM

WO - 11.08.1988

Clasificación Internacional C22C 33/00 Nº de solicitud PCT/JP1988/000085 Solicitante NIPPON KOKAN KABUSHIKI KAISHA Inventor/a OHTA, Kazumi

A process for producing low-carbon ferrochromium, which comprises melting ores containing oxies of Cr and Fe a melting furnace, taking up the molten metal in a ladle, adding thereto a reducing agent such as SiCr, and introducing thereinto an oxidizing gas or an inert gas at a rate of more than 7.0 and at most 29.0 l/min per ton of the molten metal to thereby stir it by bubbling. An arbitrary amount of bubbling gas is introduced into the molten metal after the addition of the reducing agent to stir and, after lowering the temperature of the molten metal by this bubbling, the molten metal is reladled to reduce the concentration of nitrogen.

10.WO/1990/007342PROCESS FOR PREPARING ISOTHIOCYANATO FUNCTIONALIZED METAL COMPLEXES

WO - 12.07.1990

Clasificación Internacional A61K 51/04 Nº de solicitud PCT/US1989/005785 Solicitante THE DOW CHEMICAL COMPANY Inventor/a FAZIO, Michael, J.

The present invention is directed to a novel process for preparing isothiocyanate functionalized chelates by reacting amino functionalized chelates with thiophosgene.

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