Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 6302952 | Process for the production of black iron oxide pigments A process for the production of a black iron oxide pigment from Fe2 O3 hematite iron oxide which may be an impure oxide produced by the "Ruthner" process or by other means, or which may be a mineral hematite. The process may be used ... | 10/16/2001 |
| 5571379 | Colloidal composition and its use in the production of paper and paperboard The composition comprises a water dispersible colloidal siliceous material, such as a swelling clay, in intimate association with a low molecular weight water soluble high charge density organic polymer, such as a polyacrylic acid or a polyamine, the ioni... | 11/05/1996 |
| 5218132 | Removal of benzopyrene from edible oils using an activated carbonized adsorbent Adsorbents suitable for use to remove aromatic or polyaromatic hydrocarbons from liquids such as oils may be produced from an acid-activated siliceous clay containing adsorbed oil by treating to carbonize the oil and to activate the carbon so produced on ... | 06/08/1993 |
| 5171376 | Fluxes for aluminium brazing or welding Fluxes for aluminium brazing or welding may be produced by grinding the slag by-product of aluminium boron master alloy production. The grinding is preferably to below 75 microns size but particularly preferably to below 30 microns size. The fluxes may be... | 12/15/1992 |
| 5109805 | Absorbent material Small animal litter comprises an absorbent material containing an odor-reducing quantity of an aliphatic halo-nitro-bactericide such as those available under the Tradenames Bronopol, Bronidox or Myacide.... | 05/05/1992 |
| 5015334 | Colloidal composition and its use in the production of paper and paperboard The composition comprises a water dispersible colloidal siliceous material, such as a swelling clay, in intimate association with a low molecular weight water soluble high anionic charge density organic polymer, such as a polyacrylic acid or a polyamine, ... | 05/14/1991 |
| 4882285 | Process for monitoring the quantity of dimethyl hydantoin Pool or spa water can be monitored for dimethyl hydantoin content, as a residue of disinfection with halogenated hydantoin, by determining the quantity of base required to adjust the pH to 9.3. The pH may be judged by a suitable indicator for example thym... | 11/21/1989 |
| 4804494 | Wood preservative compositions and a process for their production A copper arsenate composition suitable for incorporation in a copper/chrome/arsenic wood preservative composition is made by reacting copper metal with a source of 5-valent arsenic such as arsenic acid under the oxidizing influence of hydrogen peroxide. T... | 02/14/1989 |
| 4797281 | Process for preparing wood preservative compositions Wood preservative compositions containing as active ingredients compounds of copper, of chromium and of arsenic are produced by mixing copper arsenate and sodium dichromate in an aqueous medium into which is introduced strong acid, for example sulphuric a... | 01/10/1989 |
| 4775521 | Process for the production of ferrous sulphide Ferrous sulphide is produced by forming a melt of a source of sulphur, suitably flotation grade iron pyrites, and a source of iron, suitably steel, in an electric induction furnace until reaction has ocurred, allowing a slag to form and removing the slag ... | 10/04/1988 |
| 4687871 | Process for the resolution of a racemate A racemate may be resolved into its enantiomers by stereoselective adsorption on a crystalline molecular sieve having an assymetric crystal structure for example zeolite ZSM11. The resolution may be assisted by the presence of an enantiomer of a compound ... | 08/18/1987 |
| 4661157 | Production of shaped bodies of boron compounds Boron compounds such as alkali metal or alkaline earth metal borates capable of forming hydrates or higher hydrates may be formed into shaped bodies by forming into a paste with water and allowing the water to be bound to form a solid shaped body. The bod... | 04/28/1987 |
| 4657881 | Absorbent materials Absorbent material comprising clay mineral particles, the particles comprising compacted masses of relatively smaller particles is found to have high absorbency which may be further increased by the use of additives such as silicates, pyrophosphates, swel... | 04/14/1987 |
| 4622214 | Method for the preparation of crystalline molecular sieve materials wherein the organic template is an enantiomer Crystalline molecular sieve materials such as high silica zeolites are manufactured using an organic template comprising an optically active enantiomer such as an enantiomer of 3(&#b1;) methyl piperidine -N,N-dimethyl bromide. A new zeolite materials is i... | 11/11/1986 |
| 4605059 | Heat exchanger The heat exchanger (1) comprises a plurality of coils (61 -65) of tubing of a flexible plastics material, the coils being of cylindrical conformation and of differing diameters each coil being mounted coaxially about the coil of next... | 08/12/1986 |
| 4591581 | Method for making absorbent materials A process for the manufacture of adsorbent clay mineral particles comprises first selecting clay mineral particles smaller than 2 millimeter in size, drying the clay mineral particles to a moisture content not exceeding 15% by weight and mixing the dried ... | 05/27/1986 |
| 4519987 | Treatment of oxidic materials In the fluidized bed chlorination of oxidic materials, for example minerals such as bauxite, tantalite, columbite, wolframite or scheelite, the separation of metal values giving vaporous chlorides at the reaction temperature is enhanced by maintaining a z... | 05/28/1985 |
| 4487747 | Production of metal chlorides In the fluidized bed chlorination of materials containing, for example, magnesium, manganese, calcium, iron or chromium oxides which tend to accumulate as chlorides in the bed leading to bed agglomeration, the hot partially chlorinated bed is treated with... | 12/11/1984 |
| 4455288 | Arrangement for the entrainment of particulate materials In a process for the production of titanium dioxide by the vapour phase oxidation of titanium tetrachloride in which process entrained inert particulate material is passed through equipment used to reduce or prevent the deposition of solids thereon, the q... | 06/19/1984 |
| 4448609 | Process for the production of aqueous dispersions of pigmentary titanium dioxide Stable high concentration aqueous slurries of pigmentary metal oxide particles having a hydrous oxide surface-treatment comprising alumina, for example alumina surface-treated pigmentary titanium dioxide, may be formed by the use of a specified combinatio... | 05/15/1984 |
| 4418048 | Aluminophosphorus compounds The present invention provides the following: (a) An aluminophosphorus compound wherein the atomic ratio of P to Al exceeds 1:1 and having anion exchange properties. (b) A process for preparing such an aluminophosphorus compound comprising treating an aluminou... | 11/29/1983 |
| 4355637 | Surgical masks It has already been suggested that chronic exposure of humans to nitrous oxide is a potential health hazard. There is especial concern for those working in the vicinity of a patient to whom nitrous oxide is administered as an anaesthetic. The present inve... | 10/26/1982 |
| 4356156 | Zeolites bearing fluoride anions The present invention provides the following: (a) A fluoride-treated zeolite in which the number of equivalents of fluoride exceeds the sum of the numbers of equivalents of all cations except for hydrogen, aluminium and silicon cations in the zeolite. (b) A pr... | 10/26/1982 |
| 4288650 | Electrical insulation device Electrical insulation may be provided between two parts of a structure intended for exposure to high temperature radiation from a heat source, e.g. the interior wall of an electrical discharge furnace, by providing slot in the structure positioned so that... | 09/08/1981 |
| 4279640 | Process for upgrading iron-containing materials Material containing iron in combination with chromium, such as chromite ore or sand, may be upgraded by removing at least some iron by a fluidized bed process in which iron is chlorinated to ferrous chloride in the presence of carbon and the ferrous chlor... | 07/21/1981 |
| 4269725 | Washing compositions The present invention provides washing compositions in which all or part of the detergent builder salt is provided by a mixture of zeolites 13X and 4A. Preferably the weight ratio of 13X to 4A is in the range of 50:50 to 85:15 and especially from 65:35 to... | 05/26/1981 |
| 4246022 | Processing metal chlorides Metal may be recovered from metal chlorides, for example a mixed metal chloride residue from the fluidized bed chlorination of a titaniferous ore in the presence of carbon to produce titanium tetrachloride by heating, in the presence of a scavenging agent... | 01/20/1981 |
| 4223206 | Method and apparatus for electrically heating corrosive vapors A heating device for heating corrosive vapours includes a casing defining a vapour flow path having an inlet and an outlet. A tubular metallic electric resistance heating element is disposed in the flow path and arranged such that the vapours being heated... | 09/16/1980 |
| 4203861 | Inorganic compounds Titanium disulphide particles comprising orthogonally intersecting plates, and having a relatively high surface area, e.g. above 4 m2 /g, in relation to its size, e.g. average largest diameter 2-16 microns, and a method for its preparation by t... | 05/20/1980 |
| 4131545 | Water treatment Phosphate containing basic aluminum solutions are provided by reaction aluminum sulphate solution with phosphoric acid, adding chloride, basifying by precipitation of calcium sulphate from solution and cooling the resultant solution in a controlled manner... | 12/26/1978 |
| 4115144 | Method of preparing metal oxide slurries A high solids metal oxides coated titanium dioxide aqueous slurry requires a negative charge and a high pH for use in aqueous paint media. A hot ageing of the coated titanium dioxide can alter the isoelectric point of the slurry and make practicable the a... | 09/19/1978 |
| 4049780 | Production of magnesium silicates Hydrous magnesium silicates having a crystal structure similar to that of natural hectorite may be produced by a precipitation process in which silica is precipitated into a preformed aqueous suspension of a water insoluble magnesium compound. The process... | 09/20/1977 |
| 4046854 | Recovery of titanium tetrachloride The recovery of titanium tetrachloride from a mixed titanium tetrachloride/ferric chloride vapor, suitably as produced by the fluidized bed chlorination of an iron containing titaniferous ore such as ilmenite is by treating the vapor with excess oxygen ov... | 09/06/1977 |
| 4046853 | Production of titanium tetrachloride The simultaneous chlorination of the iron and titanium values in an iron containing titaniferous ore such as ilmenite is advantageously conducted to convert the iron values to ferrous chloride but the resulting gaseous effluent is difficult to process to ... | 09/06/1977 |
| 4033764 | Recovery of metals Metal ions may be scavenged from solution by means of a complexing agent comprising an inorganic substrate, such as a clay mineral, with covalent organic molecules, such as onium compounds, chemically bonded to the substrate, the covalent organic molecule... | 07/05/1977 |
| 4019978 | Process for the production of alumina Low bulk density alumina consisting essentially of pseudoboehmite can be produced by forming aqueous solutions of sodium aluminate and aluminium sulphate having concentrations within defined ranges, controlling the rate of introduction of the sodium alumi... | 04/26/1977 |
| 4016246 | Manufacture of synthetic zeolites The invention provides a method of preparing zeolite Y of high degree of purity and having a silica to alumina molar ratio of from greater than 3 up to about 6.2 which comprises preparing an aluminosilicate reaction mixture having oxide molar ratios of Si... | 04/05/1977 |
| 4002693 | Process for the production of o-phenylphenol A method of preparing an o-phenyl phenol from a cyclohexanone which comprises the steps of forming an o-cyclohexenyl cyclohexanone from the cyclohexanone by condensing the cyclo-hexanone in the presence of an inherently sulphur-free condensation catalyst,... | 01/11/1977 |
| 3993640 | Treatment of cellulosic materials The present invention provides compositions for treating cellulosic materials, and in particular for sizing paper or waterproofing textiles with a reactive agent. The reactive agent is a cyclic imide substituted by an aliphatic hydrophobic group and N-sub... | 11/23/1976 |
| 3948997 | Vapour phase oxidation process In the oxidation of , ଲ-diols to , ଲ-diones with oxygen, the use of a catalyst comprising at least one metal selected from Cu, Ag and Au and at least one element selected from Ge, Sn, Pb, N, P, As, Sb, Bi. In the oxidation of eth... | 04/06/1976 |
