| Patent Number |
Title Of Patent |
Date Issued |
| RE30582 |
Process for preparing latex |
April 21, 1981 |
| A process for preparing a latex by efficiently homogenizing an aqueous mixture containing an emulsifier and a water-insoluble solvent for the monomer(s) to be polymerized, adding monomer and if desired further water to the homogenized mixture and also a water-soluble polymerization i |
| 7333639 |
Method and apparatus for measuring structures in a fingerprint |
February 19, 2008 |
| A plurality of images of portions of a fingerprint surface is generated by measuring structural features the portions of the surface with a sensor array as the surface is moved relative to the array. A two-dimensional image of the fingerprint surface is constructed from a portion of the |
| 7110577 |
Method and apparatus for measuring structures in a fingerprint |
September 19, 2006 |
| Method and apparatus for the measuring of structures in a fingerprint or the like, comprising the measuring of chosen characteristics of the surface of the fingerprint, e.g. by measuring capacitance or resistivity, using a sensor array comprising a plurality of sensors, being positioned |
| 6595063 |
Sensor element especially for pressure sensors |
July 22, 2003 |
| A system and corresponding method for bulge testing films (e.g. thin films, coatings, layers, etc.) is provided, as well as membrane structures for use in bulge testing and improved methods of manufacturing same so that resulting membrane structures have substantially identical known geo |
| 6086729 |
Method of manufacturing thin metal membranes |
July 11, 2000 |
| Method for manufacturing a composite membrane structure comprising a thin metal membrane, for example of silver, palladium or palladium alloys, for use in selective diffusion of gasses. The metal material for the membrane is applied by sputtering as a coating on a base member having a lo |
| 5108625 |
Process for removing sodium sulfate from aqueous buffer solutions |
April 28, 1992 |
| Process for removing sodium sulphate from an aqueous citrate, adipate or phosphate buffer solution used for absorption of SO.sub.2 from exhaust gases, by evaporating an aqueous buffer solution at atmospheric pressure at a temperature near its boiling point, thereafter separating the |
| 4948572 |
Process for the recovery of sulfur dioxide from gas flows |
August 14, 1990 |
| SO.sub.2 containing gas is purified by means of an aqueous absorption solution, and SO.sub.2 is regenerated from this solution. There is used an absorption solution containing a phosphate buffer, and SO.sub.2 is removed from the absorption solution together with water by evaporation. |
| 4774265 |
Process for preparing magnetic polymer particles |
September 27, 1988 |
| Magnetic polymer particles prepared by treating compact or porous polymer particles with a solution of iron salts and, if desired, salts of other metals which are capable of forming magnetic ferrites, in which the solution swells or penetrates into the particles. Iron hydroxide and p |
| 4731386 |
Process for the preparation of methanol in liquid phase |
March 15, 1988 |
| A process for preparing methanol in a liquid reaction medium by reaction of carbon monoxide and hydrogen in the presence of a catalyst system consisting of an alkali metal alcoholate and a copper catalyst, wherein the liquid reaction medium in the reactor in addition to methanol and |
| 4654267 |
Magnetic polymer particles and process for the preparation thereof |
March 31, 1987 |
| Magnetic polymer particles prepared by treating compact or porous polymer particles with a solution of iron salts and, if desired, salts of other metals which are capable of forming magnetic ferrites, in which the solution swells or penetrates into the particles. Iron hydroxide and other |
| 4565634 |
Method for the removal of oxygen from water |
January 21, 1986 |
| Water intended for injection into an oil reservoir is freed from oxygen by gravitating the water through a vacuum tower. Gases liberated from the water by the vacuum process are drawn off at the bottom of the respective stages of the tower. Liberated nitrogen at the top of each stage wil |
| 4563510 |
Process for the preparation of polymer latex |
January 7, 1986 |
| The invention provides a process for the preparation of polymer latex by emulsification of an initiator or initiator mixture and optionally a solvent in the presence of emulsifier in water in a first step and adding a monomer and polymerizing in a second step. The process is carried out |
| 4559212 |
Process for purifying gases containing sulphur dioxide |
December 17, 1985 |
| Process for removal of sulphur dioxide from exhaust gases by absorption in an aqueous solution containing ions of adipic acid, and stripping of sulphur dioxide with steam. Solid adipic acid is added to the absorption solution before or during the steam stripping in such an amount that al |
| 4536273 |
Diffusion barrier for aluminium electrolysis furnaces |
August 20, 1985 |
| Diffusion barrier for electrolysis furnaces for the preparation of aluminium by electrolysis of alumina dissolved in a fluoride melt. The diffusion barrier comprises a material which reacts with sodium fluoride to form compounds which are solid at the operation temperature of the fur |
| 4530956 |
Process for the preparation of aqueous dispersions of organic material and possible further conv |
July 23, 1985 |
| Process for preparing aqueous dispersions of a somewhat water-soluble low-molecular organic material, in which swellable particles prepared in a first step are swelled with the organic material in the second step. When the organic material is a polymerizable monomer the dispersion prepar |
| 4459378 |
Monodisperse polymer particles and dispersions thereof |
July 10, 1984 |
| The invention provides monodisperse polymer particles and dispersions thereof, said particles having a diameter of preferably 5 .mu.m or more. Such polymer dispersions are prepared by in a first step preparing a dispersion of smaller monodisperse polymer particles containing one or m |
| 4312054 |
Acoustic beacons |
January 19, 1982 |
| Acoustic beacon for use at sea and having a pipe-shaped housing in the one nd of which is space for a battery which drives a transmitter disposed coaxially around the housing at the other end where there is arranged a pressure switch covered by a membrane. The transmitter is switched on b |
| 4289949 |
Plasma burners |
September 15, 1981 |
| Plasma burner provided with an electrode holder for the support of a cently arranged electrode and an outer electrode, a device for applying an electrical voltage for producing an electric arc between the electrodes and a device for the supply of gas to the electric arc area of the |
| 4186120 |
Process for producing finely divided aqueous emulsions from materials of limited water solubilit |
January 29, 1980 |
| Process for producing finely divided aqueous emulsions from materials of ited water solubility. These materials are diffused into pre-formed particles dispersed in water which are formed from vinyl compounds by emulsion polymerization under conditions which cause the pre-formed seed |
| 3940526 |
Braced insulating element and method for its manufacture |
February 24, 1976 |
| The invention relates to insulating elements particularly intended for use as a supporting core material in wall structures and the like, e.g. of the sandwich type. The insulating element consists of an insulating body of a non-supporting material such as mineral wool, which is intersect |
