Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 5571494 | Temperature-activated polysilicic acids A temperature-activated polysilicic acid is prepared by heating an acidified aqueous alkali metal silicate. The temperature-activated polysilicic acid is used in the production of paper for improvement of retention and water removal.... | 11/05/1996 |
| 5551975 | Structured pigment compositions, methods for preparation and use Pigments for use in paper are comprised of structured aggregate clays which are reaction products of kaolin clays and colloidal silicas. Silica modified clays of low treatment level can under certain high-shear mixing conditions be attritioned back to the... | 09/03/1996 |
| 5419888 | Low temperature method of making very high structure silica Precipitated silica gels having high surface areas and low oil absorption values are produced by a low temperature synthesis precipitation process. The precipitated silicas have unique flatting characteristics and are additionally useful as conditioning a... | 05/30/1995 |
| 5385239 | Low brightness functional pigment from process by-product A low brightness pigment and method is provided from a heretofore rejected waste kaolin stream. Kaolin processing rejects are high in iron-stained TiO2. After separating the stained TiO2 from the high brightness kaolin and concentrat... | 01/31/1995 |
| 5352287 | Precipitated encapsulated paper pigments and methods A composite pigment product useful as a paper filler pigment comprises a mineral nucleus coated with a substantially continuous substantially uniform coating of an active paper pigment. The active paper pigment coating is preferably formed in situ under a... | 10/04/1994 |
| 5316576 | High performance pigments of low oil absorption: preparation, properties and end-use applications Sodium Aluminosilicates (SAMS) are produced by silicate/clay reactions under hydrothermal conditions, the SAMS being characterized by low oil absorption values and high total pore volumes. The SAMS products are useful as coating pigments for paper, paper ... | 05/31/1994 |
| 4884773 | Computer terminal stand A compact computer support stand that includes an open frame having a pair of vertically disposed front legs and a second pair of vertically disposed shorter rear legs. A keyboard table is horizontally disposed from the top of the front legs so that the t... | 12/05/1989 |
| 4883533 | Modified synthetic hydrotalcite A phosphate-containing synthetic hydrotalcite of the following empirical formula: xMgO.multidot.Al2 O3 .multidot.yPO4 .multidot.zH2 O wherein, x, y and z are integers indicating the number of moles present of MgO, PO... | 11/28/1989 |
| 4793985 | Method of producing ultrafine ground calcium carbonate A process for producing ultrafine ground calcium carbonate is disclosed in which a dry feed stone is slurried to a 15 to 60% by weight solids slurry and dispersed with an organic dispersant. The dispersed slurry is fed to an attrition mill where it is bea... | 12/27/1988 |
| 4765755 | Roller mill An improved roller-type grinding mill wherein antifriction thrust-type roller bearings and an improved packing are utilized to improve the loading stress absorption characteristics and to prevent dust from entering into the mill structure and thereby shor... | 08/23/1988 |
| 4643890 | Perforated reactor tube for a fluid wall reactor and method of forming a fluid wall A reactor tube 20 for a high-temperature fluid wall reactor has a generally cylindrical shape and is made of a refractory material which permits the tube to be heated to incandescence. The reactor tube in turn radiates energy inwardly to a reaction zone t... | 02/17/1987 |
| 4623631 | Filtration of zeolites The filtration of zeolites, for example sodium alumino silicates, from aqueous slurries containing the zeolites is improved by washing the filter cake with an aqueous solution of any salt which has the capacity to produce a stabilized slurry of the zeolit... | 11/18/1986 |
| 4612342 | Rubber compositions containing small particle size zeolites Rubber compositions which contain zeolite particles having particle sizes of no more than 1.6 microns in diameter with at least 90% of the weight of the particles being between 0.1 and 3.2 microns in diameter, a binding agent, water, and a solubilizing ag... | 09/16/1986 |
| 4609532 | Reactor feed tube adjustable mounting assembly and method A mounting assembly 4 is provided for a feed tube 12 of a high-temperature fluid-wall reactor of the type having a vertically oriented reactor tube heated to incandescence for emitting radiation radially inward to a reaction zone. The mounting assembly 4 ... | 09/02/1986 |
| 4605248 | Insulating union and method An improved insulating union is provided of the type designed to prevent electrolytic corrosion in flow lines. The tail sub is physically separated from both the threaded sub and nut by a plastic layer. An annular groove is conventionally provided in the ... | 08/12/1986 |
| 4592897 | Input assembly for high-temperature chemical reactor A feed input assembly 2 for a high-temperature chemical reactor 4 includes a feed tube 6 having a feed inlet opening 8 and a feed-discharge opening 12. A cooling jacket 14 surrounds a length of the feed tube 6 extending from the feed-discharge opening 12.... | 06/03/1986 |
| 4589566 | Pressure responsive safety interlock A safety interlock device is provided for preventing the opening of a vessel containing a pressurized fluid. In a typical application, the interlock device may be used in industrial applications to prevent the inadvertent unscrewing of a cap from the end ... | 05/20/1986 |
| 4584330 | Synthetic alkali metal aluminum silicates as pigment/colorant extenders and property enhancers in plastics Plastic compositions having enhanced tensile, reinforcing, viscosity, opacity, brightness or pigment-extending properties comprise a plastic material having dispersed therein a synthetic sodium aluminum silicate with an average particle size of about 3.0 ... | 04/22/1986 |
| 4576986 | Rubber compositions containing small particle size zeolites and mixtures Rubber compositions which contain zeolite particles as fillers which have particle sizes of no more than 2.2 microns in diameter with at least 90 percent of the weight of the particles being between 0.1 and 5.0 microns in diameter.... | 03/18/1986 |
| 4560176 | Inverted cone stuffing box A stuffing box for use in oil and gas wells having improved sealing. A plurality of ring-like packing glands each has an outer surface defining an inverted frusto-conical shape and a bore therethrough also defining an internal inverted frusto-conical surf... | 12/24/1985 |
| 4557916 | Synthetic calcium silicates and methods of preparation Alkaline earth metal alumino silicates of the formula: wherein Me is an alkaline earth metal, B is an alkali metal, and X is an integer of 1 to 3, are amorphous very high structure absorbents. The products are prepared by reaction of a reactive clay with an al... | 12/10/1985 |
| 4539191 | Preparation of sodium silicate solutions Sodium silicate solutions are prepared by dissolving sand in sodium hydroxide solution at a pressure of at least 100 psig and at a temperature of at least 130° C. to produce a sodium silicate solution having a silica to sodium oxide molar ratio of betwee... | 09/03/1985 |
| 4498895 | Folding pallet jig A jig construction having adjustable spacers which may be positioned to accommodate various sizes of pre-cut paperboard or cardboard sheets from which folded pallets are formed. The jig includes manually and semi-automatically actuated mechanisms for adju... | 02/12/1985 |
| 4443422 | Synthesis of zeolites of small and uniform size having a high magnesium exchange capacity Zeolites of small and uniform size are formed having high magnesium exchange capacities. Zeolite A is disclosed having an average particle size less than 1.7 microns, a calcium carbonate exchange capacity of more than 230 mg calcium carbonate per gram zeo... | 04/17/1984 |
| 4424124 | Method and magnetic separator for removing weakly magnetic particles from slurries of minute mineral particles A method and a magnetic separator are disclosed particularly for the removal of particles of low magnetic susceptibility, present usually as impurities and often largely of submicron sizes, from aqueous slurries of clay or other minute mineral particles. ... | 01/03/1984 |
| 4422880 | Precipitated siliceous products A method for producing a precipitated silicon dioxide having a new combination of physical and chemical properties is disclosed. The pigments are produced by acidulating a solution of an alkali metal silicate with an acid under controlled precipitation co... | 12/27/1983 |
| 4421527 | High fluoride compatibility dentifrice abrasives and compositions Novel precipitated silicon dioxide abrasive compositions which can be incorporated into therapeutic toothpaste compositions containing both soluble fluoride salts and soluble phosphate salts are disclosed. The abrasives comprise low structure precipitated... | 12/20/1983 |
| 4420312 | Method for production of high fluoride compatibility dentifrice abrasives and compositions Novel precipitated silicon dioxide abrasive compositions which can be incorporated into therapeutic toothpaste compositions containing both soluble fluoride salts and soluble phosphate salts are disclosed. The abrasive comprise low structure precipitated ... | 12/13/1983 |
| 4416805 | Synthesis of zeolites of small and uniform size having a high magnesium exchange capacity Zeolites of small and uniform size are formed having high magnesium exchange capacities. Zeolite A is disclosed having an average particle size less than 1.7 microns, a calcium carbonate exchange capacity of more than 230 mg calcium carbonate per gram zeo... | 11/22/1983 |
| 4391638 | Method for reclaiming ink waste An improved method for reclaiming waste printing ink is provided wherein waste offset ink is diluted and, thereafter, free water and waste fibrous material is separated through specific gravity differential. A centrifugal method is provided to facilitate ... | 07/05/1983 |
| 4372221 | Folding pallet A pallet is disclosed which is particularly adapted for supporting in stacked relation thereon groups of articles so as to facilitate fork lift handling and which is fabricated by cutting, scoring and folding a generally rectangular sheet of foldable mate... | 02/08/1983 |
| 4356093 | Method of increasing the effectiveness of or the effective production rate of a process by integrated feed A method of increasing the production or efficiency of a process in which a fluid is passed through a matrix the efficiency of which decreases with use in which the matrix is initially filled at a high rate, and an initial flow rate on the order of not mo... | 10/26/1982 |
| 4340584 | Therapeutic dentifrices in unlined container and methods The corrosion and staining of unlined aluminum tube surfaces by dentifrices such as toothpastes, particularly when the dentifrices contain therapeutic agents, is substantially prevented by incorporation into the dentifrice of a controlled amount of an alk... | 07/20/1982 |
| 4340583 | High fluoride compatibility dentifrice abrasives and compositions Novel precipitated silicon dioxide abrasive compositions which can be incorporated into therapeutic toothpaste compositions containing both soluble fluoride salts and soluble phosphate salts are disclosed. The abrasive comprise low structure precipitated ... | 07/20/1982 |
| 4336245 | Novel precipitated siliceous products and methods for their use and production A method for producing a precipitated silicon dioxide having a new combination of physical and chemical properties is disclosed. The pigments are produced by acidulating a solution of an alkali metal silicate with an acid under controlled precipitation co... | 06/22/1982 |
| 4336219 | Method for pelletizing silica A method of making pellets from silica, sodium silicates and sodium aluminosilicates by pelletizing the materials in the presence of ammonium stearate. Upon removal from the pelletizer, the formed pellets are dried.... | 06/22/1982 |
| 4330518 | Removal of contaminants from zeolite mother liquors The contaminants level of a mother liquor can be reduced in the process of forming solutions of sodium aluminate and sodium silicate, adding together the two solutions to produce a reaction mixture comprising a mother liquor and an amorphous sodium alumin... | 05/18/1982 |
| 4315844 | Organic elastomers containing kaolin clay modified with isocyanate coupling agents and mercaptoethanol An organic elastomer of low heat buildup is made by blending into the elastomer a kaolin clay which has been surface treated with a diisocyanate compound. One method of treating the kaolin clay is to vaporize the diisocyanate compound and contact the vapo... | 02/16/1982 |
| 4312845 | Method of producing amorphous silica of controlled oil absorption A new silica is formed by hydrothermally reacting an aqueous dispersion of silica and sodium hydroxide, under certain conditions, to form a partly polymerized silicate; spray drying the mixture to form spheres of polysilicate; reacting the polysilicate wi... | 01/26/1982 |
| 4311609 | Method of producing inorganic water-softening beads A non-water dispersible water-softening bead is disclosed having from 80 to 90% sodium alumino silicate and from 10 to 20% low density polyethylene. The bead has a diameter of between 200 and 1000 microns and a calcium capacity of at least 200 mg calcium ... | 01/19/1982 |
