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 |
| 8227554 | Reactor system with optimized heating and phase separation A reactor system operable to facilitate a chemical reaction in a reaction medium flowing therethrough. The reactor system includes a heat exchanger for heating the reaction medium and a disengagement vessel for disengaging vapor from the heated reaction medium. ... | 07/24/2012 |
| 7371805 | Hydrogenated copolymer and composition thereof A hydrogenated copolymer obtained by hydrogenating an unhydrogenated copolymer comprising conjugated diene monomer units and vinyl aromatic monomer units, the hydrogenated copolymer containing at least one hydrogenated copolymer block (B) which is obtained by hydrog... | 05/13/2008 |
| 7342064 | Rubber composition for tire and run flat tire having reinforcing layer comprising the same A rubber composition favorably used for a reinforcing layer of a run flat tire, which have both low exothermic property and high strength. A rubber composition for a tire, comprising 10 to 100 parts by weight of carbon black having a nitrogen adsorbing-specif... | 03/11/2008 |
| 7319123 | Use of sulfur containing initiators for anionic polymerization of monomers An initiator is presented for anionically polymerizing monomers, to provide a functional head group on the polymer. A polymer having a functional head group derived from a sulfur containing anionic initiator, and optionally as additional functional group resulting f... | 01/15/2008 |
| 7312264 | Process for obtaining a grafted elastomer having functional groups along the chain and a rubber composition A process for obtaining a grafted diene elastomer having functional groups along the chain, a rubber composition containing this grafted elastomer and having in particular improved hysteresis properties in the cross-linked state, a preparation process for this compo... | 12/25/2007 |
| 7304110 | Polymer, process for producing the polymer and curable composition containing the polymer This invention provides a production method of a vinyl polymer having a functional group at a molecular chain terminus which comprises adding a compound (I) having a functional group and an internal alkenyl group or conjugated polyene compound (II) in the living rad... | 12/04/2007 |
| 7288612 | Initiator composition and method for anionic polymerisation The invention relates to an initiator composition for anionic polymerization, comprising at least one alkali metal hydride selected from LiH, NaH, and KH, and at least one organylaluminum compound, and to a process for the anionic polymerization of styrene monomers ... | 10/30/2007 |
| 7285605 | Batch process for synthesizing rubbery polymers having a high trans microstructure content The present invention is directed to a batch process for synthesizing rubbery polymers, such as styrene-butadiene rubber, having a high trans microstructure. In one embodiment, the batch process involves mixing a catalyst system with styrene and butadiene monomers i... | 10/23/2007 |
| 7220805 | Process for producing contact product; catalyst component for addition polymerization; process for producing catalyst for addition polymerization; and process for producing addition polymer There are provided (1) a process for producing a contact product, which comprises the step of contacting at least a phthalocyanine complex, a porphyrin complex, or their combination with a surfactant; (2) a catalyst component for addition polymerization, which compr... | 05/22/2007 |
| 7208558 | Radical polymerization processes for preparing halogenated polymers, and halogenated polymers Radical polymerization process for the preparation of halogenated polymers employing one or more ethylenically unsaturated monomers, at least one of which is chosen from halogenated monomers, molecular iodine and one or more radical-generating agents chosen from dia... | 04/24/2007 |
| 7182086 | Mouth guard and sheet for mouth guard A mouth guard which is excellent in impact absorbability and durability, is thin and has good fittability, and is able to easily chew thereupon, and does not give vomiting feel; and a sheet for mouth guard which is suitable for producing the mouth guard. The mouth g... | 02/27/2007 |
| 7153919 | Use of sulfur containing initiators for anionic polymerization of monomers An initiator is presented for anionically polymerizing monomers, to provide a functional head group on the polymer. A polymer having a functional head group derived from a sulfur containing anionic initiator, and optionally as additional functional group resulting f... | 12/26/2006 |
| 7101941 | Method for anionic polymerization of α-methylstyrene Process for preparing homopolymers of α-methylstyrene, or copolymers of α-methylstyrene and comonomers, by anionic polymerization in the presence of an initiator composition, which comprises using an initiator composition in which potassium hydride and at least on... | 09/05/2006 |
| 7084209 | Block copolymer hot-melt processable adhesives, methods of their preparation, and articles therefrom Hot-melt processable adhesive, such as pressure-sensitive-adhesive (PSA) or heat-activatable adhesive, compositions of the present invention possess a broad formulation latitude and adequate cohesive strength after application for use in high performance application... | 08/01/2006 |
| 7078473 | Radical polymerization methods and halogenated polymers Radical polymerization process for the preparation of halogenated polymers and block copolymers. Halogenated polymers and block copolymers. ... | 07/18/2006 |
| 7056983 | Block copolymer Processes for producing an AB block copolymer, an ABA block copolymer or a multiblock copolymer are provided, which comprises adding an alkenyl-containing polymer (I) to a living or to an atom transfer radical polymerization system or a living cationic polymerizatio... | 06/06/2006 |
| 7034079 | Radial polymers prepared by stabilized free radical polymerization A process for preparing a radial polymer comprising at least 3 polymeric arms and a central core comprising a polymerized di- or polyfunctional monomer, said process comprising the steps, (a) polymerizing at an elevated temperature... | 04/25/2006 |
| 6994964 | Macromolecular arrays on polymeric brushes and methods for preparing the same Polymeric brush substrates and methods for their preparation are provided. Methods are also provided for preparing macromolecular arrays on such polymeric brush substrates. Using polymeric brush substrates allows control over functional site density as well as wetta... | 02/07/2006 |
| 6992139 | Monodisperse heterotelechelic diol/amine-based polyurethane/urea hybrids for use golf balls A golf ball including a core and a cover layer, where the cover layer includes a curing agent and a polyurethane/urea hybrid prepolymer formed from a polyisocyanate and a monodisperse heterotelechelic polymer having a polydispersity of from about 1.0 to about 1.3, a... | 01/31/2006 |
| 6964996 | Pentablock copolymer and manufacturing method of the same The present invention relates to a ternary copolymer represented by the following formula (1) of the penta-block structure, wherein the molecular weight is 50, 000 to 400,000, pB is more than 70% of 1,4 structure, the content of pS is in range of 5% to 50%, and pB a... | 11/15/2005 |
| 6943250 | Protected aminofunctionalized polymerization initiators and methods of making and using same Anionic polymerization initiators useful in the preparation of polymers having a protected amine functional group. The amine functionality is part of a heterocyclic radical and includes a protecting group. ... | 09/13/2005 |
| 6939916 | Adhesion promoter, coating compositions for adhesion to olefinic substrates and methods therefor The composition is an adhesion promoter that includes a chlorinated polyolefin and an olefin-based block copolymer that has an olefin block that is substantially saturated and at least one (poly)ester or (poly)ether block. The olefin-based block copolymer can be pre... | 09/06/2005 |
| 6908952 | Ring-opened azlactone photoiniferters for radical polymerization Photoiniferters for controlled radical polymerizations are described. The photoiniferters have an azlactone or ring-opened azlactone moiety to provide telechelic (co)polymers. ... | 06/21/2005 |
| 6884849 | Poly alcohol-based binder composition The present invention provides a binder composition comprising a low molecular weight polycarboxylic acid, such as maleic anhydride, and a low molecular weight poly alcohol, such as polyvinyl alcohol, that exhibits improved cure performance with reduced emissions wi... | 04/26/2005 |
| 6818710 | Process for producing modified polymer rubber There is provided a process for producing a modified polymer rubber, which comprises the steps of: (1) reacting one part by mol of an organoalkali metal compound with n±0.7 (n is an integer of 3 or more) parts by mol of a specific... | 11/16/2004 |
| 6765065 | Process for producing modified polymer rubber There is provided a process for producing a modified polymer rubber having modified both ends, which comprises the steps of: (1) reacting a compound represented by the following formula (1) with an organic alkali metal compound to produce a chemical species, ... | 07/20/2004 |
| 6734256 | Block copolymer hot-melt processable adhesives, methods of their preparation, and articles therefrom Hot-melt processable adhesive, such as pressure-sensitive-adhesive (PSA) or heat-activatable adhesive, compositions of the present invention possess a broad formulation latitude and adequate cohesive strength after application for use in high performance application... | 05/11/2004 |
| 6703446 | Hetero-telechelic polymers and processes for making same Hetero-telechelic polymers having the formula: wherein FG is a protected or non-protected functional group; Q is a saturated or unsaturated hydrocarbyl group derived by incorporation of a compound selected from the group consisting of conjugated diene hyd... | 03/09/2004 |
| 6699939 | Hetero-telechelic polymers and processes for making same Hetero-telechelic polymers having the formula: wherein FG is a protected or non-protected functional group; Q is a saturated or unsaturated hydrocarbyl group derived by incorporation of a compound selected from the group consisting of conjugated diene hyd... | 03/02/2004 |
| 6593430 | Transparent, impact-resistant polystyrene on a styrene-butadiene block copolymer basis Block copolymers comprise at least two hard blocks S1 and S2 made from vinylaromatic monomers and, between these, at least one random soft block B/S made from vinylaromatic monomers and from dienes, where the proportion of the hard b... | 07/15/2003 |
| 6506862 | Process for the preparation of a diene elastomer by anionic polymerization The present invention provides a process for the preparation of a diene elastomer having a reduced amount of vinyl linkages, by anionic polymerization of one or more monomers comprising at least one conjugated diene monomer. The process for preparing the ... | 01/14/2003 |
| 6476133 | Method for producing a solution of diene polymers in vinyl aromatic compounds and method for producing resistant vinyl aromatic polymers by polymerizing the same solution A process for preparing a solution of high molecular weight polymers of conjugated dienes in a vinylaromatic hydrocarbon by anionic polymerization of the diene in the presence of an alkyllithium as catalyst and a process for preparing impact-modified poly... | 11/05/2002 |
| 6462137 | Star-block interpolymers and preparation of the same The present invention relates to star-block interpolymers having the following structure (X-Y)n -C, wherein X represents a random copolymer block derived from conjugated diene and monovinyl aromatic monomer; Y represents a polyconjugated diene ... | 10/08/2002 |
| 6444767 | Method for retarded anionic polymerization In a process for the homopolymerization of vinylaromatic monomers or the copolymerization of vinylaromatic monomers and dienes, the monomers are polymerized in the presence of at least one alkali metal organyl, at least one magnesium organyl and at least ... | 09/03/2002 |
| 6350834 | Method for retarded anionic polymerization In a process for the homopolymerization of vinylaromatic monomers or the copolymerization of vinylaromatic monomers and dienes in the presence of at least one alkali metal compound and at least one compound of an element of group 3a of the Periodic Table ... | 02/26/2002 |
| 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 |
| 6197891 | Functionalized chain extended initiators for anionic polymerization A process for the preparation of hydrocarbon solutions of monofunctional ether initiators of the following general structure: M--Qn --Z--O--[A(R1 R2 R3)] wherein M is an alkali metal selected from the group consisting of ... | 03/06/2001 |
| 6160054 | Hetero-telechelic polymers and processes for making same Hetero-telechelic polymers having the formula: FG--(Q)d --Z--J--[A(R1 R2 R3)]x (I) wherein FG is a protected or non-protected functional group; Q is a saturated or unsaturated hydrocarbyl group derived by inc... | 12/12/2000 |
| 6153706 | Protected multi-functionalized star polymers and processes for making the same This invention provides novel protected, multi-functionalized multi-arm polymers, their optionally hydrogenated analogues and optionally deprotected analogues thereof, and processes for making these compounds. In the invention, monomers are polymerized us... | 11/28/2000 |
| 6127487 | Process to produce coupled block copolymers and said copolymers This invention provides a process to produce coupled block copolymers and said coupled block copolymers.... | 10/03/2000 |
