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 |
| 7981970 | Sulfonated block copolymers having acrylic esterand methacrylic ester interior blocks, and various uses for such blocks, and various uses for such block copolymers A sulfonated block copolymer which is solid and non-dispersible in water having at least two polymer end blocks A and at least one interior block B wherein each A block is a polymer block resistant to sulfonation and each B block is a polymer block susceptible to su... | 07/19/2011 |
| 7723439 | Process for producing a polyfluoroalkyl (meth)acrylate A process for producing a polyfluoroalkyl (meth)acrylate, which comprises isolating, from a reaction mixture containing a polyfluoroalkyl (meth)acrylate obtained by reacting a polyfluoroalkyl iodide of the formula CnF2n+1(CH2)m | 05/25/2010 |
| 7402632 | 2-Component crosslink of end-functionalized polyacrylates Method for increasing the molecular weight of polyacrylates, in which polyacrylates, functionalized at least in part of their chain ends by functional groups X, are reacted with a compound having at least functional groups Y capable of linking reactions with functio... | 07/22/2008 |
| 7332459 | Method for scale inhibition in oil wells A method of inhibiting scale formation in a subterranean formation comprising: (a) injecting a suspension comprising particles of a controlled release scale inhibitor suspended in an aqueous medium into a formation through an injection well wherein the particles hav... | 02/19/2008 |
| 7276574 | Process for producing vinyl polymer The present invention provides a method for producing a vinyl polymer including the steps of polymerizing a vinyl monomer by atom transfer radical polymerization with a transition metal complex as a polymerization catalyst, and bringing the resultant vinyl polymer i... | 10/02/2007 |
| 7241843 | Rubber composition for tread A rubber composition for a tread optimizing a vulcanization speed in a vulcanization step and, further, improving heat aging resistance is provided. A rubber composition for a tread comprising 20 to 90 parts by weight of silica, 0.5 to 2 parts by weigh... | 07/10/2007 |
| 7232520 | Ion exchange porous resins for solid phase extraction and chromatography Embodiments of the present invention are directed to porous resins for solid phase extractions. The resins feature at least one hydrophobic component, at least one hydrophilic component and at least one ion exchange functional group. The resins exhibit superior wett... | 06/19/2007 |
| 7199175 | Tread for a tire having a rigidity gradient A tire tread comprising a rubber composition based on (phr: parts by weight per hundred parts of elastomer): (i) a diene elastomer; (ii) more than 50 phr of an inorganic filler as reinforcing filler; | 04/03/2007 |
| 7141646 | Method of purifying vinyl polymer The present invention provides a method of purifying a vinyl polymer to be used as a component of a composition capable of undergoing hydrosilylation. The present invention provides a vinyl polymers obtainable by atom transfer radical polymerization can be pu... | 11/28/2006 |
| 7129299 | Sulphonated comb polymers having a selected lithium/sodium ratio and preparations including such polymers Water-soluble and/or water-dispersible comb polymers comprising a polymer main chain and polyester side-arms which contain sulfonic acid groups and which are linked to the polymer main chain via ester groups, wherein said side-arms have been at least partially neutr... | 10/31/2006 |
| 7041825 | Additive compound for curing halogenated polymers The present invention relates to 1,3,4-thiadiazole reaction products useful as accelerators and/or curing agents for halogenated polymers in rubber vulcanization processes, and to halogenated polymer compositions containing the thiadiazole derivatives, as well as a ... | 05/09/2006 |
| 7026408 | Sulphonated comb polymers and preparations, in particular hair cosmetic preparations, based on such sulphonated comb polymers Water-soluble and/or water-dispersible comb polymers consisting of a polymer main chain and polyester side-arms which contain sulphone groups and are linked to said polymer main chain via ester groups. ... | 04/11/2006 |
| 6943219 | Polymer and epoxy resin compositions The present invention provides a vinyl polymer with an epoxy group terminally introduced therein and an epoxy resin composition comprising (A) an epoxy resin and (B) a vinyl polymer which has a main chain produced by living radical polymerization and has a reactive ... | 09/13/2005 |
| 6890524 | Hydrolyzable delivery system using cross-linked polymeric resins as vehicles This invention provides a method of preparing a polymeric delivery system for active ingredients. The delivery system is formed either by attaching the active ingredient to a linker through a hydrolyzable covalent bond, then forming a covalent bond between the linke... | 05/10/2005 |
| 6794461 | Method for purification of vinyl polymers This invention provides a method for purification of a vinyl polymer which comprises the atom transfer radical polymerization of a vinyl monomer using a transition metal complex as the polymerization catalyst, said vinyl polymer being brought into cont... | 09/21/2004 |
| 6784256 | End-functionalized polymers by controlled free-radical polymerization process and polymers made therefrom A controlled free-radical polymerization process for forming end-functionalized polymers is disclosed, particularly by degenerative iodine transfer. The end-functionalized polymers are characterized by a polydispersity less than 2.5 and a predetermined molecular wei... | 08/31/2004 |
| 6767980 | Reactive diluent and curable resin composition The present invention provides a reactive diluent composition which overcomes drawbacks of both the radical-cure and the cationic-cure reactive diluents and can be applied in a broad variety of uses such as paints, inks, adhesives, pressure sensitive adhesives, surf... | 07/27/2004 |
| 6759442 | Packing material for solid phase extraction and solid phase extraction method An object of the present invention is to provide a packing material for solid phase extraction, ensuring excellent recovery of not only a hydrophobic substance but also an ionic substance by having hydrophobicity and an ion exchange group at the same time, and a sol... | 07/06/2004 |
| 6753383 | Removal of free aldehydes A process for reducing free aldehydes in dispersions, suspensions, emulsions and solutions which comprises including therein thioamine compound of the formula IV and optionally a thioamine of the formula III: where R | 06/22/2004 |
| 6747099 | Tack free surface cures of polymers by organic peroxides in the presence of air Compositions are disclosed which comprise mixtures of at least one compound selected from silicone elastomers, bis-, tri- or higher polymaleimides and/or bis-, tri- or higher polycitraconimides, and at least one compound selected from p-phenylene-diamine based antio... | 06/08/2004 |
| 6703432 | Moisture adsorbing and desorbing material An object of the present invention is to provide a water adsorbing/desorbing organic polymer material having excellent water adsorbing/desorbing performance and which is inexpensive and readily disposable by incineration or the like. In order to attain th... | 03/09/2004 |
| 6610791 | Photosensitive compound and photosensitive resin The invention provides a photosensitive compound which can be used to prepare a photosensitive resin, and a photosensitive resin obtained from the compound. The compound has a moiety represented by formula (I) or (II): ##STR1## wherein R1 | 08/26/2003 |
| 6525143 | Dendritic macromolecules for metal-ligand catalyzed processes This invention relates to dendritic macromolecules and their use in metal-dendritic macroligand complex catalyzed processes, e.g., hydroformylation. The use of metal-dendritic macroligand complex catalysts in such processes facilitates the separation of d... | 02/25/2003 |
| 6492454 | Rubber composition containing rubber, mercapto-triazine and epoxy grafter polymer A rubber composition having high adhesiveness to a metal, high modulus, high set resistance and high heat resistance, comprising raw material rubber, 2,4-dimercapto-6-substituted-1,3,5-triazine and a polymer having epoxy groups crosslinkable with the raw ... | 12/10/2002 |
| 6462138 | Method for reducing residual monomers in liquid systems by adding an oxidation-reduction initiator system A process is described for reducing the residual monomer content in a liquid solution, mixture, melt, suspension or dispersion of a polymer by postpolymerization with addition of a redox initiator system at a reaction temperature appropriate to it and wit... | 10/08/2002 |
| 6451967 | Method of drying saponified ethylene-vinyl acetate copolymers A method of drying saponified ethylene-vinyl acetate copolymers which includes melting and kneading a mixture including one or more saponified ethylene-vinyl acetate copolymer species and having a water content of 5 to 60% by weight until the mixture has ... | 09/17/2002 |
| 6350819 | Dendritic macromolecules for metal-ligand catalyzed processes This invention relates to dendritic macromolecules and their use in metal-dendritic macroligand complex catalyzed processes, e.g., hydroformylation. The use of metal-dendritic macroligand complex catalysts in such processes facilitates the separation of d... | 02/26/2002 |
| 6274680 | Sulfenyl halide polymerization terminators A method of preparing a functionalized polymer comprising the steps of initiating the formation and propagation of an anionically-polymerized living polymer, and terminating the propagation of the living polymer by reacting the polymer with a terminating ... | 08/14/2001 |
| 6248839 | Mercapto-containing block copolymers having polymethacrylic acid and polyalkylene oxide repeating groups The invention relates to polymethacrylate acid-polyalkylene oxide block copolymers, to a process for their preparation and to their use as dispersants or suspension stabilizers for pigments and fillers, e.g. for metal oxides in ceramic materials, for pigm... | 06/19/2001 |
| 6242161 | Acrylic copolymer and reflection-preventing film-forming composition containing the same A reflection-preventing film-forming composition including a copolymer having structural units represented by the following general formulas (1) and (2) and a solvent: ##STR1## wherein R1 represents a hydrogen atom, a halogen atom, a hydrocarbo... | 06/05/2001 |
| 6232394 | Master batches containing vulcanizing agents The invention relates to thermoplastic master batches having at least one copolymer (A) of ethylene and of at least one unsaturated carboxylic acid ester as support and comprising vulcanization agents for rubbers. The invention also relates to a process f... | 05/15/2001 |
| 6221991 | Methacrylate and acrylate polymers and processes for making same Polar polymers having the following formula: FG-(Q)d -Rn -Z-J-[A(R1 R2 R3)]x (I) wherein FG is H or a protected or non-protected functional group; Q is a polar hydrocarbyl group derived by incorpor... | 04/24/2001 |
| 5990238 | Release coating for adhesive articles and method A polymer includes an ethylene-containing backbone having substituents attached thereto, wherein the substituents include a urethane linked nitrogen-bonded hydrocarbon side chain having about 5 carbon atoms or more in length and a terminal methyl group; a... | 11/23/1999 |
| 5985514 | Imaging member containing heat sensitive thiosulfate polymer and methods of use An imaging member is composed of a hydrophilic imaging layer having a hydrophilic heat-sensitive polymer containing heat-activatable thiosulfate groups, and optionally a photothermal conversion material. Upon application of energy that generates heat, suc... | 11/16/1999 |
| 5981662 | Rubber compounds containing polymeric bis-succinimide polysulfides The present invention relates to rubber compounds containing polymeric bis-succinimide polysulfides of the formula: ##STR1## wherein R is selected from the group consisting of phenylene and xylylene; R1 is selected from the group consistin... | 11/09/1999 |
| 5965094 | Polymerization process with anti-scaling agents According to the invention, there are provided a novel process for preparing an anti-scaling coating on the walls of a polymerization vessel by using aromatic compounds reacted with sodium hydroxymethanesulphinate, and an anti-scaling coating obtained by ... | 10/12/1999 |
| 5919868 | Ablatively photodecomposable compositions The present invention provides an ablatively photodecomposable polymer having a photoabsorber bound to the polymer (the "ablatively photodecomposable polymer") which does not phase separate, nor does it crystallize. The ablatively photodecomposable polyme... | 07/06/1999 |
| 5916938 | Polyacrylate resin solutions having improved color number, and their use in coating compositions The present invention relates to a solution of a polyacrylate resin in one or more organic solvents, containing one or more phosphites, characterized in that the solution contains from 0.05 to 1.0% by weight, based on the solids content of the acrylate re... | 06/29/1999 |
| 5898043 | Powder coating composition The present invention provides a powder coating composition comprising a resin powder comprising a film-forming resin and a crosslinking agent capable of giving rise to a crosslinking reaction with the resin, wherein the resin powder has a volume-average ... | 04/27/1999 |
| 5886102 | Antireflective coating compositions The invention provides new light absorbing crosslinking compositions suitable for use as an antireflective composition (ARC), particularly for deep UV applications. The ARCs of the invention in general comprise a crosslinker and novel ARC resin binders th... | 03/23/1999 |
