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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 |
| 7368492 | Process for the synthesis of glycolonitrile A process to prepare substantially pure glycolonitrile in an aqueous medium is provided by reacting hydrogen cyanide and formaldehyde. The formaldehyde feed stream is heated prior to reacting with hydrogen cyanide, resulting in an aqueous glycolonitrile solution wit... | 05/06/2008 |
| 7342061 | Method for producing organic compounds containing poly-DOPO, and the use of the same The invention relates to a method for producing novel reactive organic compounds containing poly-DOPO and having a higher phosphorus content than known comparable DOPO (9,10-dihydro-9-oxa-10-phospha-phenenthrene-10-oxide) adducts, and to the use thereof for flamepro... | 03/11/2008 |
| 7271276 | Metal complexes for catalytic carbon-carbon bond formation The present invention relates to a complex comprising a novel and stable ligand and a metal center. The ligand contains a ring, particularly a phenyl group, or a hydrocarbon group which links an amino group and PR1R2, NR1R2 | 09/18/2007 |
| 7193098 | Process for producing semiconductor nanocrystal cores, core-shell, core-buffer-shell, and multiple layer systems in a non-coordinating solvent utilizing in situ surfactant generation A process for producing semiconductor nanocrystal cores, core-shell, core-buffer-shell, and multiple layer systems is disclosed. The process involves a non-coordinating solvent and in situ surfactant generation. ... | 03/20/2007 |
| 7115539 | Metal compound, and catalyst component and catalyst for addition polymerization, and process for producing addition polymer A metal compound obtained by a process comprising the step of contacting, in a specific ratio, a compound represented by the formula M1L1r, a compound represented by the formula R1s−1TH, and a compound represe... | 10/03/2006 |
| 7053232 | Lewis acid ionic liquids The present inventions relate to novel ionic liquids comprising a Lewis acid anion such as AlyR3y+1 wherein y is greater than 0 and R is independently selected from the group consisting of an alkyl group and halogen group. The cation of the ion... | 05/30/2006 |
| 7001863 | Monoamide based catalyst compositions for the polymerization of olefins Novel catalyst monoamide precursor compositions and the corresponding single site-like catalysts for olefin polymerization. ... | 02/21/2006 |
| 6930070 | Heterocyclic nitrogen-containing activators and catalyst systems for olefin polymerization An aluminum activator and catalyst system for olefin polymerization is provided. In one aspect, the catalyst system comprises a polymerization catalyst and an activator comprising two or more heterocyclic nitrogen-containing ligands coordinated to a Group 13 atom. P... | 08/16/2005 |
| 6919291 | Fluorinated zwitterionic cocatalyst activators for olefin polymerization Zwitterionic compositions of matter comprising cations [Ct]+ and anions connected together with substantially rigid fluorinated linking groups are described. These zwitterionic compositions serve as cocatalysts. They activate olefin polymerization catalys... | 07/19/2005 |
| 6809209 | Nitrogen-containing group-13 anionic compounds for olefin polymerization The invention addresses an composition of matter comprising a cation [Ct]+ and an anion [A]−, the anion comprises a core Group-13 element bound to partially or completely fluorinated fluoroaryl ligands, at least one of the fluoroaryl ligands ... | 10/26/2004 |
| 6686491 | Aluminum complexes for olefin polymerization It is known to polymerize olefins using transition metal complexes and/or compounds. There is an ongoing search for catalysts for olefin polymerization which do not rely on transition metals as the active center. The present invention provides novel alumi... | 02/03/2004 |
| 6624321 | Process for the preparation of polyether polyols The present invention relates to a process for the preparation of polyether polyols by the reaction of alkylene oxides and compounds containing active hydrogens, in the presence of specific Lewis acid metal compounds as catalysts, novel bis(perfluoroalkyl... | 09/23/2003 |
| 6492474 | Aluminum complexes for olefin polymerization It is known to polymerize olefins using transition metal complexes and/or compounds. There is an ongoing search for catalysts for olefin polymerization which do not rely on transition metals as the active center. The present invention provides novel alumi... | 12/10/2002 |
| 6476250 | Optically active fluorinated binaphthol derivative In order to provide a novel optically active binaphthol derivative useful as an asymmetric catalyst or the like, with which a higher reaction yield and a higher optical yield (selectivity) may be attained in asymmetric synthesis, an asymmetric catalyst us... | 11/05/2002 |
| 6444834 | Aluminum complexes for olefin polymerization It is known to polymerize olefins using transition metal complexes and/or compounds. There is an ongoing search for catalysts for olefin polymerization which do not rely on transition metals as the active center. The present invention provides novel alumi... | 09/03/2002 |
| 6372929 | Esterification catalysts An organometallic compound suitable for use as a catalyst for the preparation of an ester comprises the reaction product of an orthoester or condensed orthoester of titanium, zirconium or aluminum, an alcohol containing at least two hydroxyl groups, an or... | 04/16/2002 |
| 6307097 | Method for producing aluminum salts of cyclic phosphinic acids A process for the preparation of aluminum salts of cyclic phosphinic acids is described, which comprises reacting cyclic phosphinic acids, such as 1-hydroxydihydrophosphole oxides or 1-hydroxyphospholane oxides, with aluminum hydroxide in the presence of ... | 10/23/2001 |
| 6303674 | Aluminium salts of alkylhydroxymethylphosphinic acids Aluminum salts of alkylhydroxymethylphosphinic acids are prepared by reacting phosphonous acids with aluminum hydroxide or paraformaldehyde or trioxane or mixtures thereof in water at 110 to 250° C. under pressure. The resulting aluminumphosphinates are ... | 10/16/2001 |
| 6281154 | Compounds having one group 13 element, bound with one mono- or di-anionic trident ligand, a method of preparation and application thereof as polymerization catalysts Novel compounds having one group 13 element bound with one mono- or di-anionic tridentate ligand, a method of preparation thereof and use thereof as a copolymerization catalyst.... | 08/28/2001 |
| 6252108 | Method for producing aluminium salts of cyclic phosphinic acid The invention relates to a method for producing aluminum salts of cyclic phopshinic acid. According to the invention, cyclic phosphinic acids, such as 1-hydroxydihydrophosphole oxide or 1-hydroxyphospholane oxide, are reacted with a basic aluminum acetate... | 06/26/2001 |
| 6239061 | Aluminum-phosphinimine complexes as catalysts for the (co)polymerization of ethylene Aluminum-phosphinimine complexes function as a component in a catalyst system for the (co)polymerization of ethylene. The inventive catalyst components form a highly productive polymerization system when activated with so-called "ionic activators". The ne... | 05/29/2001 |
| 6235919 | Aluminum complexes for olefin polymerization It is known to polymerize olefins using transition metal complexes and/or compounds. There is an ongoing search for catalysts for olefin polymerization which do not rely on transition metals as the active center. The present invention provides novel alumi... | 05/22/2001 |
| 6184405 | Process for preparing aluminum salts of organic phosphoric acids The invention concerns a process for preparing salts of organic acids of phosphorus. The organic acid is reacted with aluminum hydroxide in the presence of a polar solvent selected from acetic acid, propionic acid, methanol, ethanol, n-propanol, isopropan... | 02/06/2001 |
| 6060614 | Chelating ligands having a tripodal backbone The invention relates to novel chelating ligands which incorporate a tripodal backbone. More particularly, the invention pertains to novel tripodal ligands which form coordination compounds with a variety of metal ions, particularly, but not exclusively, ... | 05/09/2000 |
| 5990053 | Gelling agent for hydrocarbon liquid and method of use A gelling agent for viscosifying liquid hydrocarbon fracturing fluids is an aluminum salt of a phosphate ester made by forming the ester by reacting P2 O5 with a mixture of organic alcohols which include high molecular weight alcohol... | 11/23/1999 |
| 5872272 | Polyvalent metal salts of phosphoric diester and organo(poly)siloxanes modified with polyvalent metal salt of phosphoric diester The present invention relates to polyvalent metal salts of a phosphoric diester represented by formula (1) and organo(poly)siloxanes modified with a polyvalent metal salt of a phosphoric diester having the structural units represented by formulae (9) and ... | 02/16/1999 |
| 5869722 | Process for producing aluminum phosphinates Process for producing aluminum phosphinates The invention relates to a process for producing aluminum phosphinates of the formula (I) ##STR1## where R1 and R2, independently of each other, are linear or branched (C1 -... | 02/09/1999 |
| 5777120 | Cationic aluminum alkyl complexes incorporating amidinate ligands as polymerization catalysts Aluminum amidinate compounds of the formula ##STR1## wherein R.sup., R2, and R3 are selected from the group consisting of C1 to C50 alkyl, aryl, and silyl groups, X is an anionic ligand, preferably a hydroc... | 07/07/1998 |
| 5756789 | Synthesis of metal--containing aluminophosphates with layered structure Disclosed is a novel process for the synthesis of a metal-containing aluminophosphate having a layered structure and novel optically active metal-containing aluminophosphates useful as enantio-selective catalysts, which comprises: a) slurring an aluminum ... | 05/26/1998 |
| 5627294 | Manufacture of dihydrocarbyl dithiophosphates An alcohol and/or a carboxylic acid or carboxylate is used to reduce the proportion of sediment obtained in the manufacture of a metal or ammonium dihydrocarbyl dithiophosphate, for example, a zinc dihydrocarbyl dithiophosphate (ZDDP) for use as an antiwe... | 05/06/1997 |
| 5344948 | Single-source molecular organic chemical vapor deposition agents and use Neutral single-source molecular organic precursors containing tetradentate tripodal chelating ligands are provided that are useful for the preparation of films using chemical vapor deposition. These complexes can be generally represented by the formula ... | 09/06/1994 |
| 5288869 | Pentaerythryl phosphonates and their use in self-extinguishing thermoplastic polymeric compositions A new group of pentaerythryl diphosphonates and poly(pentaerythryl diphosphonates) are described. Flame-retardant compositions are also described, which include a thermoplastic polymer and a certain amount of self-extinguishing agent consisting of one of ... | 02/22/1994 |
| 5241093 | Process for preparing aluminophosphate compounds and substituted derivatives of the structural type VFI A process for preparing aluminophosphate compounds (and substituted derivatives) of the structural type VFI. This preparation process is characterized in that the speed of increase in temperature of the reaction mixture is greater than 250° C./hour, the ... | 08/31/1993 |
| 5234716 | Organometallic adduct compounds The invention relates to the use of stabilised organometallic adduct compounds for the production of thin films and epitaxic layers by gas phase deposition.... | 08/10/1993 |
| 5216155 | Silicon and aluminum complexes Silicon and aluminum complexes having the following formula I, II or III: ##STR1## wherein x is 0 or 1, T is H or ##STR2## each R is independently selected from the group consisting of H, OH, C1-6 alkyl, C1-6 alkoxy, C... | 06/01/1993 |
| 5196554 | Aluminum bis(hydroxymethyl)phosphinate, and a process for the preparation of bis(hydroxymethyl)phosphinates In a process for the preparation of bis(hydroxymethyl)phosphinates of the formula Mn+ [(HOCH2)2 PO2- ]n in which M is Li, Na, K, Ca, Mg, Zn or Al, and n is the valency of the element concerned a... | 03/23/1993 |
| 5174991 | Alkali metal zinc monoalkylphosphate, particles thereof, process for preparing the same, and cosmetic containing the same An alkali metal monoalkylphosphate having a saturated or unsaturated straight-chain or branched hydrocarbon group having from 8 to 32 carbon atoms is described; also described is a process for preparing particles of said alkali metal zinc monoalkylphospha... | 12/29/1992 |
| 5154912 | O17 isotopic peroxides The peroxides which include the O17 isotope, especially the hydrogen peroxides and peroxides and hydroperoxides prepared therefrom, are well adapted as nonradioactive labeled compounds for use in the medicinal and biological arts.... | 10/13/1992 |
| 5149853 | Organometallic compounds In a process for the production of thin films and epitaxial layers by gas-phase deposition, intramolecularly stabilized organometallic compounds are employed as a source of metal.... | 09/22/1992 |
| 5142079 | Fluorinated carbon chain-containing aluminum surface modifier The novel fluorinated carbon chain-containing aluminum compounds which are capable of imparting an SP value of desired level to inorganic materials and hence can be used as surface modifiers for improving the affinity between inorganic materials and fluor... | 08/25/1992 |
