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| Number | Title | Issue Date |
| 7268193 | Branched polyphenylene polymers Branched polyarylene polymers are provided comprising monovalent endcappers, divalent linear units, and polyvalent branching units. The composition of the polymers is controlled by adjusting the ratio of the three types of monomers. ... | 09/11/2007 |
| 7041735 | Vinyl chloride polymer composition The present invention provides a vinyl chloride polymer composition which comprises (i) a vinyl chloride polymer (a) and (ii) a block copolymer (b) having a polymer block (I) comprising of a block copolymer, which may be hydrogenated, of an aromatic vinyl compound p... | 05/09/2006 |
| 7019058 | Halogenated elastomeric compositions having enhanced viscosity The invention provides a method for increasing the viscosity of C4–C7 isoolefin copolymers including halomethylstyrene derived units by mixing the copolymer with a hindered amine or phosphine of the structure R1 R2 R | 03/28/2006 |
| 7009003 | Plastic composition A plastic composition including polymeric nanoparticles having a diameter of 1 to 100 nanometers, and a polymeric component. Also provided is a method for providing such a plastic composition. ... | 03/07/2006 |
| 6930146 | 1,2-polybutadiene, thermoplastic elastomer composition and polymer composition A polymer composition and a thermoplastic elastomer composition containing 1,2-polybutadiene having a 1,2-bond content in the butadiene unit of 70% by weight or more, a melting point in the range of 50 to 140° C., a total halogen content of 30 ppm or less, a viscos... | 08/16/2005 |
| 6875813 | Isobutylene-based elastomer blends The improved green strength, green elongation, and green relaxation properties of isobutylene-based elastomers at elevated temperatures along with improved aging and barrier properties are achieved by blending semi-compatible, semi-crystalline copolymers with the is... | 04/05/2005 |
| 6825281 | Thermoplastic compositions for halogenated elastomers The invention provides a thermoplastic composition of C4-C7 isoolefin copolymers including halomethylstyrene derived units blended with a hindered amine or phosphine of the structure R1 R2 R3 N or R1 ... | 11/30/2004 |
| 6689248 | Process for producing an elastomer substrate web Process for producing an elastomer substrate web, comprising the following process steps: a) feeding in a polymer mixture, in particular into a mixer, b) conveying the ready-prepared polymer mixture to a calender, comprising at least two rollers, c) forming th... | 02/10/2004 |
| 6612351 | Pneumatic tire having dual air retention quasi envelopes A pneumatic rubber tire is provided having inner and outer air retention quasi envelopes which individually substantially envelop the tire air chamber and which are comprised of a first inner quasi envelope as an integral innerliner and a second outer qua... | 09/02/2003 |
| 6602958 | Adhesives for bonding composites Adhesive composition, including a mixture of about 1 percent to about 35 percent by weight of chlorinated polymer, about 1 percent to about 35 percent by weight of a nitrile elastomer, a rubber-modified acrylonitrile copolymer, or mixtures thereof, and ab... | 08/05/2003 |
| 6482892 | Olefinic thermoplastic elastomer composition An olefinic thermoplastic elastomer composition which does not exhibit problems due to a softening agent such as an oil is superior in molding processability. The thermoplastic elastomer composition is produced by a heat crosslinking process of a resin-ru... | 11/19/2002 |
| 6476136 | Polymer compositions derived from vinyl neo C9-C13 carboxylic acid esters The present invention relates generally to compositions prepared by polymerizing vinyl neo C9 -C13 carboxylic acid esters. Such compositions include latex compositions that are formed by polymerizing vinyl neo C9 -C13... | 11/05/2002 |
| 6429239 | Redispersible dispersion powder composition, process for its preparation and its use The invention concerns a dispersion powder composition which is redispersible in water and is made from water-insoluble organic polymers, the composition being characterized in that it contains 0.1 to 30% by wt., relative to the weight of the organic poly... | 08/06/2002 |
| 6403716 | Thermoplastic rubber composition A thermoplastic rubber composition prepared by crosslinking 1-99 parts by weight of a crosslinkable rubbery polymer (A) and 1-99 parts by weight of a polypropylene resin (B) (total amount of (A) and (B) being 100 parts by weight), wherein said (B) compris... | 06/11/2002 |
| 6399706 | Microgel-containing rubber compounds which comprise sulfur-containing organosilicon compounds The present invention relates to rubber compounds comprising at least one rubber which contains double bonds, at least one rubber gel, and at least one sulfur-containing organosilicon compound. Vulcanized materials which can be employed in particular for ... | 06/04/2002 |
| 6333386 | Rubber composition, hose of low fuel permeation, and electroconductive hose of low fuel permeation A relatively small amount of a plasticizer having an SP value of at least 8.8 and a molecular weight of at most 550 is added to blend rubber of NBR-PVC in which NBR has an AN content of from 43 to 50% by weight. The fuel impermeability and the low-tempera... | 12/25/2001 |
| 6326433 | Isobutylene based elastomer blends having improved strength elasticity, and reduced permeability The improved green strength, green elongation, and green relaxation properties of isobutylene based elastomers at elevated temperatures along with improved aging and barrier properties are achieved by blending semi-compatible, semi-crystalline polymers wi... | 12/04/2001 |
| 6262178 | Rubber blend containing cyclized polyisoprene This invention is based upon the discovery that cyclized polyisoprene polymers can be incorporated into tire tread compounds to improve traction, treadwear, and resistance to tear. It is further based upon the discovery that cyclized polyisoprene polymers... | 07/17/2001 |
| 6251996 | Gel-type copolymer bead and ion-exchange resins made therefrom Gel-type copolymer beads are described which are useful as ion exchange resins such as those used in the treatment of power plant condensate water. The subject copolymer beads possess an interpenetrating polymer network of at least two polymer components ... | 06/26/2001 |
| 6242534 | Rubber composition, method of formulating and blending the same and article and tires made therefrom A rubber mixture containing at least one rubber component, at least one filler, and conventional additives that it contain at least one first gel as a filler, which is essentially comprised of a rubber, has a particle size of 3×10-9 to 1×10 | 06/05/2001 |
| 6218473 | Sulfur cured rubber composition containing chlorosulfonated polyethylene and carboxylated nitrile rubber The present invention relates to a sulfur cured rubber composition particularly suited for use in tire treads. The sulfur cured rubber composition is composed of, based on 100 parts by weight of rubber, from about 1.0 to 15 parts by weight of a chlorosulf... | 04/17/2001 |
| 6187868 | Chlorinated polyvinyl chloride compound having excellent physical, chemical resistance and processing properties The present invention relates to a chlorinated polyvinyl chloride compound and an article made therefrom. The compound comprises a two step CPVC resin, chlorinated polyethylene as well as an impact modifier. The compound exhibits good physical properties,... | 02/13/2001 |
| 6187865 | Rubber compositions and laminates thereof These articles relate to rubber compositions and laminates thereof. The laminates bring together materials not easily bonded to each other. The compositions comprise rubber and a resin component containing ethylene-vinyl acetate copolymer (EVA). The lamin... | 02/13/2001 |
| 6172160 | Diene polymer composition, process for the preparation of the same, and rubber composition containing the same The invention provides a diene polymer composition composed of a branched diene polymer component (A) having at least three branched diene polymer chains through a polyfunctional coupling agent and a linear diene polymer component (B) having a quaternary ... | 01/09/2001 |
| 6156842 | Structures and fabricated articles having shape memory made from -olefin/vinyl or vinylidene aromatic and/or hindered aliphatic vinyl or vinylidene interpolymers The present invention pertains to structures and fabricated articles having shape/reshape behavior (and processes for their preparation) comprising; (A) from about 1 to 100 wt % (based on the combined weights of Components A and B) of at least one substantiall... | 12/05/2000 |
| 6140417 | Vinyl chloride resin composition A vinyl chloride resin composition having a greatly improved processability without lowering the transparency wherein the gelation property of a vinyl chloride resin is improved with greatly decreased generation of ungelled substance; which comprises a vi... | 10/31/2000 |
| 6120869 | Pressure sensitive tape for forming water-tight field joints in rubber membranes An adhesive roofing tape is based on a combination of brominated butyl rubber and EPDM. A non-diene block terpolymer is interspersed in the cross-linked polymer network. A plasticizer and tackifier are included to provide resiliency and permanent tack. An... | 09/19/2000 |
| 6046275 | Styrene resin with rubber polymer particles A composition comprises (A) a syndiotactic styrene-based resin and (C) rubber polymer particles such as graft copolymers, butadiene or isoprene block copolymers optionally hydrogenated and/or modified with maleic anhydride, and other rubbers, and, optiona... | 04/04/2000 |
| 6043318 | Nitrile rubber/polyvinyl chloride blends Disclosed is a process for the making a polyvinylchloride/acrylonitrile-butadiene rubber blend by a) coating a polyvinylchloride resin with a stabilizer to form a precoated PVC; b) blending said precoated PVC with one or more acrylonitrile-butadiene ... | 03/28/2000 |
| 6028144 | Composition for the carcass A composition, suitable for use in producing a tire carcass, is provided. The composition comprises a halogen-containing copolymer of a C4 to C7 isomonoolefin and a para-alkylstyrene; a rubber such as a blend of natural rubber and a ... | 02/22/2000 |
| 6013732 | Stainproofing agent The present invention provides a stainproofing agent having the durability capable of maintaining sufficient water- and oil-repellency as well as stainproofing properties before and after cleaning. Disclosed is a stainproofing agent containing (A) a fluro... | 01/11/2000 |
| 6004425 | Rubber-based structural white-shell adhesives One-component hot-curing structural adhesives based on liquid rubbers, which may optionally contain functional groups, solid rubbers, thermoplastic polymer powders and sulfur and also vulcanization accelerators are suitable for bonding metal parts. Tensil... | 12/21/1999 |
| 5981663 | Chlorinated polyvinyl chloride compound having excellent physical, chemical resistance and processing properties The present invention relates to a chlorinated polyvinyl chloride compound and an article made therefrom. The compound comprises a two step CPVC resin, chlorinated polyethylene as well as an impact modifier. The compound exhibits good physical properties,... | 11/09/1999 |
| 5929153 | Vinyl chloride-based polymer-polyurethane composite and method of producing the same Disclosed are a vinyl chloride-based polymer-polyurethane composite comprising vinyl chloride-based polymer (1), polyurethane, plasticizer (4), metal salt of higher fatty acid (6) and hydrocarbon-based lubricant (7), the metal of metal salt of higher fatt... | 07/27/1999 |
| 5855976 | Laminate of vulcanizable rubber composition layers, process for producing rubber laminate, and rubber laminate A laminate of vulcanizable rubber composition layers, which comprises (i) a vulcanizable fluororubber composition layer comprising a fluororubber and a metal oxide and (ii) a vulcanizable nitrile rubber composition layer consisting essentially of a nitril... | 01/05/1999 |
| 5847050 | Graft polymer and thermoplastic resin composition A method for particles agglomeration and enlargement of a diene type polymer rubber latex, which comprises subjecting a diene type polymer rubber latex produced by emulsion polymerization, to particles agglomeration and enlargement to obtain a particles-e... | 12/08/1998 |
| 5739203 | Plastisol composition This invention discloses a process for applying a rubbery coating to a substrate which comprises: (1) dipping the substrate into a plastisol composition in a manner whereby the plastisol composition is applied to the surface of the substrate, wherein the ... | 04/14/1998 |
| 5733621 | Pressure sensitive tape for forming water-tight field joints in rubber membranes An adhesive roofing tape is based on a combination of brominated butyl rubber and EPDM. A non-diene block terpolymer is interspersed in the cross-linked polymer network. A plasticizer and tackifier are included to provide resiliency and permanent tack. An... | 03/31/1998 |
| 5681899 | Impact modifier for polyamides containing an elastomer and a halogenated isoolefin copolymer7 The invention relates to impact modifiers for polyamide compositions which improve the impact strength of the polyamides without adversely affecting the flexural modules of the composition. The impact modifiers comprise blends of general purpose rubbers a... | 10/28/1997 |
| 5656694 | Interpolymer cures of blends comprising halogenated isoolefin/para-alkylstyrene elastomers and unsaturated elastomers Vulcanizable blends containing a halogenated copolymer of a C4 -C7 isomonoolefin and para-alkylstyrene mixed with one or more olefinically unsaturated elastomeric polymers are disclosed. Cure is preferably effected using zinc stearat... | 08/12/1997 |
