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| Number | Title | Issue Date |
| 4238305 | Electrodialytic process for the conversion of impure soda values to sodium hydroxide and carbon dioxide An electrodialytic process for the conversion of soda sources containing anionic and optionally nonionic impurities to high purity, high strength sodium hydroxide and carbon dioxide gas is disclosed.... | 12/09/1980 |
| 4197182 | Cathode assembly for plural cell electrolyzer A cathode assembly for a plural cell electrolyzer is provided which comprises a rigid cathode support joined to a cathode by a first set of connecting members and to an anode in an adjacent cell by a second set of connecting members. The cathode support a... | 04/08/1980 |
| 4174419 | Stabilized magnetic shields A composite mechanically stabilized, magnetic shield is provided which comprises a superposed layer adhesively bonded to a glassy metal alloy sheet (e.g. ribbon or fabric). Further, a procedure for providing mechanical stabilization for glassy metal alloy... | 11/13/1979 |
| 4140815 | Method of making single film, high performance bipolar membrane Novel single film bipolar membranes, of substantially improved efficiency and durability, i.e. having an ion selectivity above 80% in an electrolyte medium of about one mole, are prepared from pre-swollen films containing a relatively high amount, i.e. at... | 02/20/1979 |
| 4126665 | Preparation of polymeric alkaline earth metaphosphate glasses Polymeric metaphosphate glasses, [M(PO3)b ]n, having chemical durabilities at least 40-400 times greater than those of the prior art are provided. In the formula, M is selected from the group consisting of Al, Be, Mg, Ca, ... | 11/21/1978 |
| 4116889 | Bipolar membranes and method of making same Stable bipolar membranes of high permselectivity and low potential drop are prepared using either an anion or cation preformed first layer upon which a second layer or coating of an ion exchange resin of the opposite charge carried in a matrix polymer is ... | 09/26/1978 |
| 4115682 | Welding of glassy metallic materials A process is provided for welding metal bodies together, at least one of the metal bodies comprising a metallic material that is at least 50% glassy. The process comprises (a) clamping overlapped portions of the bodies between electrodes and applying a cl... | 09/19/1978 |
| 4066217 | Tail end grip mechanism An apparatus which grips the tail end of a rapidly traversing metal filament that has been wound onto a winding reel. The apparatus comprises a triggering means, which when actuated, pivots a grip lever that is mounted on the rotating reel support and loc... | 01/03/1978 |
| 4064757 | Glassy metal alloy temperature sensing elements for resistance thermometers Glassy metal alloys of compositions in the Be-Ti-Zr system suitable as temperature sensing elements for resistance thermometers are provided. The compositions consist essentially of about 20 to 45 atom percent beryllium, about 2 to 80 atom percent zirconi... | 12/27/1977 |
| 4062839 | Resolution of -amino-e-caprolactam optical isomers A complex containing three moles of alpha-amino-e-caprolactam and one mol of magnesium chloride, as such or containing also one mol of ethanol or isopropanol. The complex is useful for resolution of the alpha-amino-e-caprolactam optical isomers, in supers... | 12/13/1977 |
| 4057481 | High performance, quality controlled bipolar membrane Improved novel single film bipolar membranes having an ion selectivity above 80% in an electrolyte medium of about one mole, are prepared containing a relatively high amount, i.e. at least 15% of an insoluble cross-linked aromatic polymer. Before the styr... | 11/08/1977 |
| 4056973 | Testing viscoelastic solids An apparatus and method for testing viscoelastic solids, such as tire cord. The apparatus includes: holding means, pretension means, first and second displacement generators, and mechanical-electrical transforming means. The holding means holds the materi... | 11/08/1977 |
| 4055606 | Novel copolyester-polyepoxide compositions Novel copolyester-polyepoxide compositions possessing a high green strength and tack before curing and characterized by having a single discernible glass transition temperature are produced. The compositions are composed of a copolyester and a polyepoxide... | 10/25/1977 |
| 4049779 | Crystalline salt monomers for stable phosphate glasses Precursors for the preparation of phosphate glasses are provided. Controlled preparation of the precursors in precise stoichiometric proportions enable the preparation of glasses which are stable and possess superior optical properties of an order similar... | 09/20/1977 |
| 4040410 | Thermal energy storage systems employing metal hydrides Thermal energy storage systems employing metal hydrides are useful for storing thermal energy produced, for example, by solar radiation. The metal hydrides, examples of which include FeTiH and the VH-VH2 reaction system, evidence ease of revers... | 08/09/1977 |
| 4038073 | Near-zero magnetostrictive glassy metal alloys with high saturation induction A new series of glassy metal alloys with near-zero magnetostriction is disclosed. The glassy alloys have the composition (Cox Fe1.sub.-x)a Bb Cc, where x ranges from about 0.84 to 1.0, a ranges from a... | 07/26/1977 |
| 4036638 | Binary amorphous alloys of iron or cobalt and boron Binary amorphous alloys of iron or cobalt and boron have high mechanical hardnesses and soft magnetic properties and do not embrittle when heat treated at temperatures employed in subsequent processing steps, as compared with prior art amorphous alloys. T... | 07/19/1977 |
| 4030892 | Flexible electromagnetic shield comprising interlaced glassy alloy filaments A flexible electromagnetic shield is provided. The shield comprises interlaced filaments of at least one glassy metal alloy. The glassy alloy has a maximum permeability of at least about 50,000 and a coercivity of less than about 0.08 Oe.... | 06/21/1977 |
| 4024169 | Titanium complexes with nitrogen Complexes of the titanium cyclopentadienyl compound ##STR1## and nitrogen, having the probable structure: ##STR2## where the symbol N.apprxeq.N represents a bonding state intermediate between the azo-N=N- bond and the hydrazine =N-N= bond; such ... | 05/17/1977 |
| 4024043 | Single film, high performance bipolar membrane Novel single film bipolar membranes, of substantially improved efficiency and durability, i.e. having an ion selectivity above 80% in an electrolyte medium of about one mole, are prepared from pre-swollen films containing a relatively high amount, i.e. at... | 05/17/1977 |
| 4017301 | Plant growth regulants A method of improving the yield of plants such as legumes by the application thereto of plant growth regulants comprising nitro-oximino alkanoic acids and derivatives thereof having the general formula: ##STR1## wherein n is an integer from 1 to 12 a... | 04/12/1977 |
| 4011149 | Photoelectrolysis of water by solar radiation Photoelectrolysis of water by solar radiation to produce hydrogen is achieved using semiconducting thin film electrodes. The cell comprises (a) an electrode comprising at least one thin film semiconducting layer disposed on a substrate, each layer having ... | 03/08/1977 |
| 3999946 | Time-temperature history indicators Compositions containing at least two conjugated acetylene groups (-C.tbd.C-C.tbd.C-) are suitable as integral time-temperature history indicators. These compositions exhibit sequences of irreversible color changes at combinations of times and temperatures... | 12/28/1976 |
| 3997853 | Chromium-doped beryllium aluminate lasers Single crystals of chromium-doped beryllium aluminate find advantageous use in optical applications and, in particular, in lasers capable of operating at room temperature.... | 12/14/1976 |
| 3989517 | Titanium-beryllium base amorphous alloys Amorphous metal alloys are prepared from titanium-beryllium base compositions comprising about 48 to 68 atom percent titanium and about 32 to 52 atom percent beryllium, with up to about 10 atom percent of beryllium replaced by additional alloying elements... | 11/02/1976 |
| 3983051 | Doped beryllium lanthanate crystals Novel single crystals of doped beryllium lanthanate having up to 50 atomic percent dopant substituted for lanthanum are provided which find advantageous use in optical applications and, in particular, as laser hosts.... | 09/28/1976 |
| 3981722 | Amorphous alloys in the U-Cr-V system Amorphous uranium-base alloys are disclosed having the general formula Ux Cry Vz, where x ranges from about 60 to 80 atom percent and y and z each range from about 0 to 40 atom percent, with the total of y and z ranging fr... | 09/21/1976 |
| 3961024 | Fluoro compound production 1. The process for cleaving substituted ammonia compounds containing nitrogen-hydrogen bonds selected from the group consisting of alkali metal amides, urea, biuret, sulfamide, formamide, hydrazine, ethylenediamine, cyanoguanidine and melamine and fluorin... | 06/01/1976 |
| 3954949 | Process for making oxygen difluoride 1. The process for making oxygen difluoride which comprises subjecting alkali metal dioxide in a reaction zone, at temperature substantially in the range of 20°-150° C., to the action of elemental fluorine to effect reaction of fluorine with the alkali ... | 05/04/1976 |
| 3953585 | Manufacture of oxygen difluoride The process of making oxygen difluoride which comprises subjecting alkali metal hyponitrite containing 2-5 oxygen atoms, at temperature not substantially above 40°C., to the action of elemental fluorine in quantity and for a time sufficient to effect rea... | 04/27/1976 |
