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.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7825243 | Process for the production of isocyanatosilane and silylisocyanurate A process is provided for the production of isocyanatosilane from silylorganocarbamate in a cracking zone with a predetermined portion of purged reaction medium undergoing conversion in a trimerization zone to silylisocyanurate. ... | 11/02/2010 |
| 7553963 | Liquid partially trimerized and allophanized polyisocyanates based on toluene diisocyanate and diphenylmethane diisocyanate This invention relates to storage-stable, liquid, partially trimerized and allophanized polyisocyanates having an NCO group content of 15 to 41% by weight, and comprising 5 to 85% by weight of toluene diisocyanate, 5 to 85% by weight of a polyisocyanate of the diphe... | 06/30/2009 |
| 7439357 | Process for preparing thiazole by aminomethylation A process for preparing a thiazole compound of formula (3): wherein X1 represents a hydrogen atom or a halogen atom comprising reacting a compound of formula (1): wherein X1 is as defined above, and X2 represents a halogen atom, with... | 10/21/2008 |
| 7329717 | Polyisocyanate-modified polycarboxylic acids A process for preparing polyisocyanate-modified polycarboxylic acids by conversion of anhydride-group-free polycarboxylic acids with isocyanate-functional compounds. The process includes reacting A) an anhydride-group-free polycarboxylic-acid component with B) an is... | 02/12/2008 |
| 7317112 | Catalysts for selective isocyanate dimerization A method of dimerizing isocyanates using sulphonamide anions as a dimerization catalyst for the isocyanates and also to a process for preparing oligomeric isocyanates using such catalysts. ... | 01/08/2008 |
| 7223478 | Aqueous polyurethane preparations Aqueous polyurethane formulations, their use and substrates which are coated with such formulations are described. ... | 05/29/2007 |
| 7205374 | Two-part polyurethane adhesive for bonding insulation boards to a roof deck A method of preparing an adhesive, the method comprising combining an isocyanate, a polyhydroxyl phenol-containing compound, a polyol, and a trimerization catalyst. ... | 04/17/2007 |
| 7196134 | High-solids binder combinations for scratch-resistant topcoats High-solids binder combinations comprising polyisocyanates, special lactone-based polyols and polyacrylate-polyols, a process for preparing such binders, and their use for producing coatings. The lactone-based polyols include ε-caprolactone-based polyols hav... | 03/27/2007 |
| 7138470 | Fluoroelastomers with improved low temperature property and method for making the same A compound is prepared, suitable for forming fluoroelastomers, having the unique features of a low glass transition temperature and desirable physical properties. The compound generally comprises an elastomeric copolymer, a curable component, and at least one minera... | 11/21/2006 |
| 7091341 | Catalyst and a method for the trimerization of isocyanates A method is described of preparing (poly)isocyanurate polyisocyanates by catalytic cyclotrimerization of isocyanates. A catalytic system is used which includes a cyclotrimerization catalyst based on a quatemary ammonium salt and imidazole as a cocatalyst. ... | 08/15/2006 |
| 7060817 | Sulfonamide anions as catalysts for NCO oligomerization The present invention relates to the use of sulphonamide salts as catalysts for oligomerizing isocyanates and also to a process for NCO oligomerization using the catalysts of the invention. ... | 06/13/2006 |
| 7008508 | Composition for increasing wet strength of paper including water-soluble blocked urethane prepolymers For use as a wet strength agent, a water-soluble blocked urethane prepolymer having a hydrophilic group and a blocked isocyanate group is combined with a cationic charge-adjusting agent. The adsorption and retention of the water-soluble blocked urethane prepolymer t... | 03/07/2006 |
| 7001973 | Catalyst and process for preparing low-viscosity and color-reduced polyisocyanates containing isocyanurate groups A low-viscosity polyisocyanate of reduced color, containing isocyanurate groups is prepared by partially trimerizing an aliphatic and/or cycloaliphatic diisocyanate in the presence of 0.02 to 2% weight, based on the weight of the diisocyanate starting material, of a... | 02/21/2006 |
| 6998508 | Tertiary alkanolamines containing surface active alkyl groups The present invention relates to novel tertiary alkanolamines useful as catalysts for preparing polyurethane foams and as additives to reduce the dynamic surface tension of aqueous solutions. The tertiary alkanolamines may be represented by formula (I): ... | 02/14/2006 |
| 6992186 | Process for preparing low-monomer-content TDI trimers The invention relates to a novel process for preparing low-monomer-content trimers based on 2,4- and/or 2,6-diisocyanatotoluene (TDI). A catalytic trimerization is carried out in a mixture of from 20 to 80% by weight of a diisocyanate component containing at least 8... | 01/31/2006 |
| 6936678 | Process for preparing low-monomer-content TDI trimers The invention relates to a novel process for preparing low-monomer-content trimers based on 2,4- and 2,6-diisocyanatotoluene (TDI) and to the use thereof in coatings. The trimers are produced from a mixture of from 20 to 80% by weight of diisocyanate component conta... | 08/30/2005 |
| 6927251 | Mixtures of aqueous binders The present invention relates to aqueous silica sol-modified PU dispersions and their use as coating materials, in particular [lacuna] textiles and leather. ... | 08/09/2005 |
| 6875243 | Catalysts for preparing polyisocyanates containing isocyanurate groups, and their use Catalysts and processes for preparing polyisocyanates containing isocyanurate groups, and their use, wherein the catalysts are represented by the following formula (1): [Hl⊕Xm⊕Fn⊖] | 04/05/2005 |
| 6800721 | Unsaturated oligophenol cyanates The unsaturated oligophenol cyanates of the general formula [A—]n[B—A—]xB[—A]m (I) in which A is a group of formula: and B is a group of form... | 10/05/2004 |
| 6797739 | Triazene-based compound comprising functionalized alkylthio groups, and photopolymerization initiator The preset invention relates to a photosensitive composition, and provides a triazine-based compound comprising new functionalized alkylthio groups of which long term storage characteristics at room temperature as well as photochemical activity as a photopolymerizat... | 09/28/2004 |
| 6765111 | Process for the production of polyisocyanates containing isocyanurate groups and their use The present invention is directed to a process for the production of polyisocyanates containing isocyanurate groups by trimerizing a portion of the isocyanate groups of hexamethylene diisocyanate using N,N,N-trialkyl-N-benzyl-quaternary ammonium hydroxides as the tr... | 07/20/2004 |
| 6703471 | Preparation of low-odor-storage-stable monomer-containing polyisocyanurates based on isophorone diisocyante Low-odor, storage-stable monomer-containing polyisocyanurate is prepared from isophorone diisocyanate by conducting a partial trimerization for 3 minutes to 3 hours in the presence of 0.05-2% by weight of a catalyst, based on the weight of the diisocyanat... | 03/09/2004 |
| 6653432 | Condensation polymerization method for isocyanates The invention concerns a (cyclo)trimerisation method for isocyanates having at least two isocyanate functions, characterised in that it comprises: a) reacting initial isocyanate monomers having at least two isocyanate functions, optionally in the presence... | 11/25/2003 |
| 6642382 | Method for obtaining slightly colored branched polyisocyanate(s), and the resulting composition The invention concerns a method for cyclotrimerization of isocyanate functions by action of a catalyst based on quaternary ammonium or phosphonium. The invention is characterised in that said isocyanate functions are branched and said onium ions are selec... | 11/04/2003 |
| 6635761 | Catalyst and method for trimerization of isocyanates This invention relates to the use as catalyst for the cyclotrimerization reaction of isocyanates of a hydrogencarbonate of a cation which either as it is or in the form complexed with a complexing agent has an average molecular or ionic radius of more tha... | 10/21/2003 |
| 6613863 | Catalyst and process for preparing low-viscosity and color-reduced polyisocyanates containing isocyanurate groups A low-viscosity polyisocyanate of reduced color, containing isocyanurate groups is prepared by partially trimerizing an aliphatic and/or cycloaliphatic diisocyanate in the presence of 0.02 to 2% by weight, based on the weight of the diisocyanate starting ... | 09/02/2003 |
| 6596819 | Polyisocyanate curing agent for laminate adhesive and process for production thereof A polyisocyanate curing agent for laminate adhesive, comprising: (A) an isocyanate group-terminated prepolymer having isocyanurate group and urethane group, obtained by reacting an organic polyisocyanate containing at least (a1) an aromatic diisocyanate with a... | 07/22/2003 |
| 6515125 | Liquid partially trimerized polyisocyanates based on toluene diisocyanate and diphenylmethane diisocyanate This invention relates to storage-stable, liquid, partially trimerized polyisocyanates having an NCO group content of 24 to 40% by weight, and comprising 20 to 88% by weight of toluene diisocyanate and 12 to 80% by weight of a polyisocyanate of the diphen... | 02/04/2003 |
| 6495650 | 1,4-Diisocyanato-2,2,6-trimethylcyclohexane polyisocyanates containing isocyanurate groups, a process for the preparation and use The invention provides polyisocyanates containing isocyanate groups from 1,4-diisocyanato-2,2,6-trimethylcyclohexane, having a trimer fraction of more than 80% by weight and an NCO content of at least 19.3%.... | 12/17/2002 |
| 6452003 | Process for preparing low-odor and storage-stable monomer-containing polyisocyanurates from isophorone diisocyanate The present invention provides a process, which includes: partially trimerizing isophorone diisocyanate in the presence of a catalyst having the formula: [R--NX3 ].sym. Y.crclbar. wherein R and X are butyl groups and Y- i... | 09/17/2002 |
| 6444814 | Optically active epoxy compound Optically active ଲ-type tris-(2,3-epoxypropyl)-isocyanurate is obtained by a method of reacting isocyanuric acid with an optically active epihalohydrin, or a method of optically resolving a racemic modification of tris-(2,3-epoxypropyl)-isocyanurate... | 09/03/2002 |
| 6420508 | Light-fast polyisocyanates having good solubility in non-polar solvents The present invention relates to polyisocyanate mixtures prepared from aliphatic and/or cycloaliphatic diisocyanates and having a) an average isocyanate functionality of at least 2.0, b) a content of isocyanate groups (calculated as NCO; molecular weight=42) o... | 07/16/2002 |
| 6372435 | Methods of surveying for CC (Beta) chemokine receptor variants and their association with HIV-1 transmission and/or disease progression The present invention provides methods of correlating genetic variants in the beta-chemokine receptor 5 (CCR5) locus, more specifically CCR5 promoter alleles and genotypes, with HIV-1 transmission and/or disease progression in individuals and populations.... | 04/16/2002 |
| 6197844 | Floor finish compositions A monomer useful in the formulation of a radiation curable coatable composition comprises (a) polyfunctional isocyanurate having at least three terminal reactive groups reacted with (b) hydroxyalkyl acrylate and (c) tertiary amine alcohol in a molar ratio... | 03/06/2001 |
| 6136827 | Cyclic amine modulations of chemokine receptor activity The present invention is directed to cyclic amines of the formula I: ##STR1## (wherein R1, R2, R3, m and n are defined herein) which are useful as modulators of chemokine receptor activity. In particular, these compou... | 10/24/2000 |
| 6127308 | Trimer catalyst system for aliphatic and aromatic isocyanates This invention relates to a novel trimerization catalyst system, and to a process for trimerizing organic polyisocyanates in the presence of thermally active catalyst systems. These catalyst systems comprise (A) compounds selected from the group consistin... | 10/03/2000 |
| 6107484 | Process for preparing polyisocyanates containing iminooxadiazinedione groups The present invention relates to a process for the production of trimerized polyisocyanates containing at least 30 mole % of iminooxadiazinedione groups (asymmetric trimers) in the trimer mixture by catalytically trimerizing a starting isocyanate selected... | 08/22/2000 |
| 6093817 | Process for preparing a reduced-color isocyanurate-functional polyisocyanate prepared from 1-isocyanato-3,3,5-trimethyl-5-isocyanatomethylcyclohexane (IPDI) A reduced-color isocyanurate-functional polyisocyanate is prepared by partially trimerizing 1-isocyanato-3,3,5-trimethyl-5-isocyanatomethylcyclohexane (IPDI) having a low total chlorine content of less than 80 mg/kg in the presence of a catalyst, the... | 07/25/2000 |
| 6090939 | Process for preparing polyisocyanates containing iminooxadiazinedione groups The present invention relates to a process for the preparation of trimerized polyisocyanates that contain at least 30 mole % of iminooxadiazinedione groups (asymmetric trimers) in the trimer mixture, by catalytically trimerizing a starting isocyanate sele... | 07/18/2000 |
| 6028212 | Solid vinyl ether terminated urethane curing agent Solid vinyl ether terminated curing agents for powder coatings can be prepared by reacting an aliphatic diisocyanate with a polyol and then with a hydroxy vinyl ether, or by reacting an aliphatic polyisocyanate with a hydroxy vinyl ether. Powder coatings ... | 02/22/2000 |