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A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 4855346 | Rubber stabilizers derived from N-phenyl-p-phenylenediamine There are disclosed novel compounds of the formula: ##STR1## wherein n=0 or 1, R1 is selected from the group consisting of a hydrogen atom, straight chain and branched chain alkyl groups and alkoxy groups, and cycloalkyl groups and cycloal... | 08/08/1989 |
| 4801753 | Biologically active tricyclic compounds and pharmaceutical compositions containing same The present invention relates to novel biologically active tricyclic compounds, of the general formula I: ##STR1## and salts thereof, in which R1 represents hydrogen, alkyl of 1-6 carbon atoms, an optionally substituted aralkyl group or an... | 01/31/1989 |
| 4774017 | Thickening agent for detergent containing preparations A thickening agent comprising polyether derivatives of the general formula: ##STR1## wherein R1 is a substituted or unsubstituted hydrocarbon radical or an alkylphenol radical having 10 or more carbon atoms, n is 10 to 100, m is 0 to 25, a... | 09/27/1988 |
| 4612147 | Process for the manufacture of hydrophilic polyester fibers Polyester fibers containing one or more oxalate complexes of the general formula are drawn and subjected to a hydrosetting process at temperatures of 90° to 170° C. in the presence of liquid water, the water containing one or more of the following surfa... | 09/16/1986 |
| 4603885 | Apparatus and structure for joining pipe A pipe and sleeve telescoped joint with the pipe and sleeve in sealing engagement and keys embedded in both pipe and sleeve at their interface. The size and number of the keys are calculated from the size and strength of the pipe. The sleeve is sized and ... | 08/05/1986 |
| 4601937 | Temporary compaction of fiber non-wovens A method of temporarily densifying a bulky non-woven matting or fabric for handling and storage is disclosed, wherein the non-woven is heated, preferably to a temperature above 100° C. but below the softening temperature while in a compacted state, then ... | 07/22/1986 |
| 4586523 | Cleaning control through measurement of electrical conductivity There is disclosed a process for cleaning the interior wall of a metal vessel or pipe comprising flooding or turbulently impacting the interior wall of said vessel or pipe with a strongly alkaline or strongly acidic cleaning fluid, simultaneously measurin... | 05/06/1986 |
| 4586982 | Process for the de-inking of printed waste paper There is disclosed an improvement to the process for the de-inking of printed waste paper which comprises (1) treating the waste paper in a pulper at an alkaline pH with alkali silicate, an oxidatively active bleaching agent, one or more acid components s... | 05/06/1986 |
| 4558135 | Process for the preparation of dithiazolyl disulfides A process for the preparation of dithiazolyl disulfides by the catalytic oxidation of a 2-mercaptothiazole with ammonia and either oxygen or an oxygen-containing gas at a temperature of between 0° and 150° C.... | 12/10/1985 |
| 4554121 | Method of forming latent-contractable elastomeric composite yarns This invention relates to a process for forming composite yarns comprising an elastic filament and at least one relatively inelastic filament, which process comprises entangling a latent-contractable elastomer producing polymer filament with a relatively ... | 11/19/1985 |
| 4545949 | Process for the manufacture of flame-resistant and hydrophilic polyester fibers Polyester fibers containing an oxalate complex of the general formula are obtained by transesterification of terephthalic acid with ethylene glycol where, in addition to conventional transesterification catalysts, such as bivalent zinc, calcium, magnesium and ... | 10/08/1985 |
| 4533790 | Electrical conductor assembly A flexible free-stripping composite cable assembly having a plurality of groups of electrical conductors including power supply, telephone and CATV/DATA conductors. Each group of conductors is contained within a distinct portion of a common insulation jac... | 08/06/1985 |
| 4521945 | Yarn bulking jet A bulking device for making loop yarn, comprising a base with a blowing chamber, a pin insert with a yarn feeding channel and a jet insert with a yarn delivery channel, followed by a diffusor having resonance chamber just behind the inlet cross section fr... | 06/11/1985 |
| 4521326 | Thickening agent based on polyether derivatives A thickening agent comprising polyether derivatives of the general formula: ##STR1## wherein R1 is a substituted or unsubstituted hydrocarbon radical or an alkylphenol radical having 10 or more carbon atoms, n is 10 to 100, m is 0 to 25, a... | 06/04/1985 |
| 4515641 | Cleaning control through measurement of electrical conductivity There is disclosed a process for cleaning the interior wall of a metal vessel or pipe comprising flooding or turbulently impacting the interior wall of said vessel or pipe with a strongly alkaline or strongly acidic cleaning fluid, simultaneously measurin... | 05/07/1985 |
| 4479887 | Polyether derivatives, their use as emulsifiers, and emulsions containing the new polyether derivative New polyether derivatives obtained by gradually adding at temperatures between 100° and 200° C. a long-chain 1,2-epoxide having a chain length of 10 to 32 carbon atoms to either (1) polyethylene glycol monoalkyl ether whose mean molecular weight is 400 ... | 10/30/1984 |
| 4473714 | Cable shield bond connector There is provided a termination assembly for a cable shield which is particularly useful in connecting the shield to ground. The termination includes a tubular rivet for compressing a serrated ring into the shield for making electrical and mechanical term... | 09/25/1984 |
| 4467595 | Latent contractable elastomers, composite yarns therefrom and methods of formation and use This invention relates to melt extruded latent contractable elastic filaments which are formed by melt extruding certain segmented crosslinked thermoplastic polymers to form filaments, which filaments, when heat processed at elevated temperatures, signifi... | 08/28/1984 |
| 4468526 | Process for the preparation of thiuram disulfides A process for the preparation of thiuram disulfides substituted with aliphatic, cycloaliphatic, araliphatic, or aromatic hydrocarbon radicals, said process comprising reacting a suitably substituted secondary amine with carbon disulfide and in the presenc... | 08/28/1984 |
| 4467114 | Preparation of trans cyclohexane 1,4-diurea A process is disclosed for selectively making trans-cyclohexane-1,4-diisocyanate, trans-cyclohexane-1,4-diamine, a trans-cyclohexane-1,4-diurethane, a trans-cyclohexane-1,4-diurea and trans-cyclohexane-1,4-disulphonyl urea by reacting ammonia with a mixtu... | 08/21/1984 |
| 4466840 | Hydroxybenzyl amines as corrosion inhibitors and paint adhesion promoters A method for inhibiting corrosion of a metal surface is disclosed. The method comprises contacting said metal surface with a corrosion inhibitor of the formula ##STR1## wherein R is selected from the group consisting of aliphatic radicals contai... | 08/21/1984 |
| 4465310 | Clamping and high pressure containment devices An improved split body clamping or pressure containment device is provided where the body members are retained together through the use of a plurality of double ended links. The ends of each of the links are juxtaposed to and associated respectively with ... | 08/14/1984 |
| 4459424 | Process for the preparation of thiuram disulfides A process for the preparation of thiuram disulfides substituted with aliphatic cycloaliphatic, araliphatic, or aromatic hydrocarbon radicals, said process comprising reacting a suitably substituted secondary amine having a pKa ࣙ8 with carbon ... | 07/10/1984 |
| 4457871 | Preparation of trans cyclohexane,1,4-diisocyanate and related compounds A process is disclosed for selectively making trans-cyclohexane-1,4-diisocyanate, trans-cyclohexane-1,4-diamine, a trans-cyclohexane-1,4-diurethane, a trans-cyclohexane-1,4-diurea and trans-cyclohexane-1,4-disulphonyl urea by reacting ammonia with a mixtu... | 07/03/1984 |
| 4457900 | Silicic acid for the filtration of beverages, particularly beer A finely divided silicic acid simultaneously suitable as a filtering auxiliary and as a beer stabilizing agent in the filtration of beer. The acid is particulate, and the particles are of an essentially spherical or spheroidal shape with SiO2 c... | 07/03/1984 |
| 4448682 | Production of purified brine An apparatus for the purification of salt brine having magnesium and calcium hardness includes means for treating a saturated salt brine containing magnesium and calcium ions with an alkali metal carbonate and an alkali metal hydroxide in a preselected se... | 05/15/1984 |
| 4447489 | Filament yarns of multicomponent fibers and utilization therefor in textile fabrics Filament yarns composed of multicomponent fibers of the matrix/segment type are produced and processed into textile fabrics by false-twist texturing the multicomponent fibres made up of segments of varying deniers to cause softening the matrix to bond the... | 05/08/1984 |
| 4442010 | Polyalkoxylated amines as dewatering aids for feldspathic minerals A process for the concentration and dewatering of an aqueous suspension of feldspathic minerals, comprising adding to the suspension a filter aid having the general formula: ##STR1## wherein R1 is an alkyl group of between 8 and 18 carbon ... | 04/10/1984 |
| 4439370 | Preparation of trans cyclohexane 1,4-diisocyanate A process is disclosed for selectively making trans-cyclohexane-1,4-diisocyanate, trans-cyclohexane-1,4-diamine, a trans-cyclohexane-1,4-diurethane, a trans-cyclohexane-1,4-diurea and trans-cyclohexane-1,4-disulphonyl urea by reacting ammonia with a mixtu... | 03/27/1984 |
| 4436844 | Process for the manufacture of a foundry core or mould There is disclosed an improved process for the manufacture of a foundry core or mould, comprising forming into the foundry core or mould a composition comprising a granular filler, a synthetic resin which cures under the action of an acid and a desensitiz... | 03/13/1984 |
| 4433135 | Method for the prevention of hydrolysis of polyesterification catalysts The use of aluminum sulfate as a dessicant for drying the starting materials used in polymerization reactions employing readily hydrolyzable catalysts is disclosed. The aluminum sulfate is allowed to remain in the reaction mixture during polymerization, a... | 02/21/1984 |
| 4431246 | Insulation piercing contact An improved insulation piercing contact for use in an electrical connector is provided. The contact is made of a sheet metal stamping, which includes a top portion for making electrical contact with a first conductor, and a bottom portion which includes a... | 02/14/1984 |
| 4429023 | Magnetic recording medium A method for complexing metal oxide particles in an organic medium is disclosed. The method comprises incorporating into said medium an effective amount of a complexing agent of the formula: ##STR1## wherein R1 is selected from the group c... | 01/31/1984 |
| 4425444 | Polyols for urethane-modified isocyanurate foams A method for the manufacture of urethane-modified polyisocyanurate foams in which an isocyanate is blended with a "B" side comprising a polyol blend, a surfactant, a blowing agent, and a catalyst. The polyol blend comprises at least 5% (wt.) of a mixture ... | 01/10/1984 |
| 4421439 | Supporting fabric for bearing bulk material and a method of building a road, dike or dam embankment The invention relates to a supporting fabric having a width of at least 30 cm, and preferably more than 2-5 m, and containing warp and weft yarns of a synthetic material, for bearing one or more layers of sand, gravel, stones, clay, loam or similar bulk o... | 12/20/1983 |
| 4419140 | Alkoxylated diquaternary ammonium compounds Asphalt emulsifying compositions comprising alkoxylated diquaternary ammonium compounds, the cationic portion of the compound preferably including aliphatic radicals containing from about 12 to about 18 carbon atoms. The compounds may be prepared by treat... | 12/06/1983 |
| 4419322 | Method for dilating plastics using volatile swelling agents A novel method for dilating cold shrink articles such as insulating tubing is disclosed. The method makes use of a two phase bath comprising two immiscible liquids in which the lower phase is a swelling agent for the cold shrink material and the upper pha... | 12/06/1983 |
| 4418211 | Preparation of trans-cyclohexane-1,4-disulphonyl urea A process is disclosed for selectively making trans-cyclohexane-1,4-diisocyanate, trans-cyclohexane-1,4-diamine, a trans-cyclohexane-1,4-diurethane, a transcyclohexane-1,4-diurea and trans-cyclohexane-1,4-disulphonyl urea by reacting ammonia with a mixtur... | 11/29/1983 |
| 4418022 | Phosphoramidates containing a p-phenylenediamine group Novel phosphoramidates of the general formula: ##STR1## wherein R, R' and R" represent certain specified substituent groups, are useful as stabilizing agents for organic materials, such as natural and synthetic rubbers and lubricating oils. The combi... | 11/29/1983 |
| 4416698 | Shaped cellulose article prepared from a solution containing cellulose dissolved in a tertiary amine N-oxide solvent and a process for making the article A solution containing cellulose dissolved in a tertiary amine N-oxide solvent containing a nonsolvent for cellulose such as water is shaped by extrusion or other shaping process to form a shaped cellulose fiber, rod, plate, tubing or film. The extruded sh... | 11/22/1983 |
