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Results: 121-150 of 2972
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Titanium(II) or zirconium(II) complexes and addition polymerization catalysts therefrom
According to the present invention there are provided metal complexes containing one and only one cyclic, delocalized, anionic, .pi.-bonded group, said complexes corresponding to the formula: ##STR1##... Read More
Inventors: Devore, David D.; Timmers, Francis J.; Wilson, David R.; Rosen, Robert K.;, Assignee: The Dow Chemical Company (Midland, MI) |
Method for preparing ethylene copolymer
What is claimed is: 1. A method for preparing an ethylene copolymer which comprises the step of copolymerizing ethylene with an aromatic vinyl compound to obtain a random copolymer of ethylene and the... Read More
Inventors: Inoue, Norihide; Shiomura, Tetsunosuke; Kouno, Masahiro;, Assignee: Mitsui Toatsu Chemicals, Inc. (Tokyo, JP) |
Ethylene-aromatic vinyl compound copolymer and method for its production
It is an object of the present invention to provide an ethylene-aromatic vinyl compound copolymer containing an aromatic vinyl compound in an amount of from 1 to less than 55% by molar fraction, where... Read More
Inventors: Arai, Toru; Nakamura, Akihiko; Suzuki, Shigeru; Otsu, Toshiaki; Okamoto, Akio;, Assignee: Denki Kagaku Kogyo Kabushiki Kaisha (Tokyo, JP) |
Polyvinylidene fluoride weather resistant coating compositions including polymethyl methacrylate
OF THE PREFERRED EMODIMENT In the following description, the invention is described in terms of a preferred embodiment, but such description should not limit the scope of the invention, which is set ... Read More
Inventors: Lin, Shiow-Ching; Kamsler, Craig; Argasinski, Karol;, Assignee: Ausimont USA, Inc. (Thorofare, NJ) |
Composite closure
An improved composite plastic closure for bottles and other containers has a plastic cap with a novel liner retention arrangement that is adapted to provide a secure mechanical or thermal inter-connec... Read More
Inventors: Wilde, Sheldon L.; McCandless, Thomas J.; Saunders, Robert M.;, Assignee: H-C Industries, Inc. (Crawfordsville, IN) |
Polypropylene closure with removable liner
OF THE INVENTION In the drawings, a compression molded polypropylene closure or cap 5 is shown, the closure having an inside top surface 10. An elastomeric liner 20 is provided, the liner having a su... Read More
Inventors: Schloss, Francis M.;, Assignee: Owens-Illinois Closure Inc. (Toledo, OH) |
Plastic closure with compression molded sealing liner
I claim: 1. A plastic closure comprising a base wall, a peripheral skirt, means on said skirt adapted to attach the closure to a container, and a sealing liner compression molded in situ on the interi... Read More
Inventors: Burzynski, Dennis J.;, Assignee: Owens-Illinois Closure Inc. (Toledo, OH) |
Optically non-linear active waveguiding material comprising donor and acceptor groups-containing triphenylcarbinols
We claim: 1. An optically non-linear active waveguiding material comprising an optically transparent polymer and an optically non-linear active dopant comprising a donor-.pi.-acceptor unit, characteri... Read More
Inventors: Engbersen, Johannes F. J.; Kelderman, Erik; Reinhoudt, David N.; Verboom, Willem;, Assignee: Akzo Nobel NV (Arnhem, NL) |
High melt strength, propylene polymer, process for making it, and use thereof
This invention in one aspect comprises a normally solid, high molecular weight, non-linear, substantially gel-free, propylene polymer material, the molecular chains of which have a substantial amount ... Read More
Inventors: DeNicola, Jr., Anthony J.; Smith, Jeanine A.; Felloni, Massimo;, Assignee: Himont Incorporated (Wilmington, DE) |
Thermoplastic polypropylene blends with mixtures of ethylene/butene and ethylene/octene copolymer elastomers
Thermoplastic compositions formed of olefinic, polymer blends and which have superior physical properties and adherence for coating materials such as paints are disclosed. These blends may be formed f... Read More
Inventors: Srinivasan, Satchit; Szczepaniak, Edward; Shah, Sunit S.; Edge, David K.;, Assignee: Solvay Engineered Polymers (Grand Prairie, TX) |
Impact modified thinwall polymer compositions
Modified compositions useful in thinwall thermoforming and molding applications have now been discovered to have a good balance of high flowability, good impact performance and good modulus retention.... Read More
Inventors: Whetten, Alan R.; Cirihal, Stephanie C.; Hoenig, Stephen M.; Markovich, Ronald P.;, Assignee: The Dow Chemical Company (Midland, MI) |
Acrylic sheet having uniform distribution of coloring and mineral filler before and after thermoforming
OF THE INVENTION Referring to FIG. 1A, the recommended (DuPont Corian Technical Bulletin CTDC-110, October, 1987) minimum bending radius of three inches for a prior art one-half inch thick flat sheet... Read More
Inventors: Minghetti, Ettore;, Assignee: Aristech Acrylics LLC (Florence, KY) |
Flow formable composites having polymodal fiber distributions
OF THE INVENTION The process of this invention involves (1) an aqueous medium, preferably (2) a binder, usually at least partially in the form of a latex which contains either anionic or cationic bou... Read More
Inventors: Lee, Walter J.; Davis, Scott M.; Kaler, Barbara E.; Arick, Daniel R.;, Assignee: General Electric Company (Pittsfield, MA) |
Transceiver site selection a cellular communications system
The various features of the invention will now be described with respect to the figures, in which like parts are identified with the same reference characters. Referring to FIG. 2A, a block diagram o... Read More
Inventors: Hagstrom, Ulf E.; Isaksson, Magnus B.;, Assignee: Telefonaktiebolaget LM Ericsson (Stockholm, SE) |
Edge strengthened substrate of a data storage disk and method for fabricating same
The present invention is an edge strengthened substrate of a data storage disk and a method for fabricating same. A strengthening agent is preferably applied to selected portions of a disk-shaped glas... Read More
Inventors: Starcke, Steven Francis; Amundson, John David; Piltingsrud, Douglas Howard;, Assignee: International Business Machines Corporation (Armonk, NY) |
Thermoplastic olefin resin composition and laminated film or sheet thereof
What we claim is: 1. A thermoplastic olefin resin composition composed of a blend of (i) 5 to 95% by weight, based on the weight of the blend, of a random copolymer consisting essentially of 55 to 85 ... Read More
Inventors: Matsuda, Akira; Tojo, Tetsuo; Iwata, Kazuo;, Assignee: Mitsui Petrochemical Industries Ltd. (Tokyo, JP) |
Blends of a propylene/.alpha.-olefin copolymer with isotactic prolypropylene
According to this invention there is provided a composition consisting essentially of a blend of an elastomeric copolymer of 45-90 mole percent of propylene and 10-55 mole percent of a C.sub.6 -C.sub.... Read More
Inventors: Su, Aaron C. L.;, Assignee: E. I. Du Pont de Nemours and Company (Wilmington, DE) |
Acrylic multilayer polymer powder
In light of these circumstances, the present inventors studied the structures of coagulated powders of relatively rigid acrylic multilayer polymers, and with a melt-initiating point of 235.degree. C. ... Read More
Inventors: Matsuda, Kaoru; Uno, Hirofumi; Toritani, Akihiro; Nakauchi, Jun;, Assignee: Mitsubishi Rayon Company Ltd. (Tokyo, JP) |
Process for extrusion
We claim: 1. A process for the co-extrusion of an inner layer around a conductive medium and an outer layer around the inner layer comprising: (i) introducing into an extruder adapted for profile co-e... Read More
Inventors: Caronia, Paul J.; Shurott, Salvatore F.;, Assignee: Union Carbide Chemicals & Plastics Technology Corporation (Danbury, CT) |
Ethylene-.alpha.-olefin copolymer and composition, and film, laminate and electrical insulating material comprising same
An object of the present invention to provide an ethylene-.alpha.-olefin copolymer excellent in various properties such as mechanical strength, moldability, thermal stability, chemical stability, elec... Read More
Inventors: Watanabe, Hideo; Sato, Masahiko; Ikeda, Masaaki; Hattori, Takaaki; Hatakeyama, Yoshihiro; Miwa, Naoki; Kamiya, Tatsuyuki; Sakuma, Hisao; Umeshima, Yuka;, Assignee: Nippon Petrochemicals Co., Ltd. (Tokyo, JP) |
Thermoplastic elastomeric blend of monoolefin copolymer rubber, amorphous polypropylene resin and crystalline polyolefin resin
I claim: 1. A thermoplastic elastomer which is a blend of: A. a monoolefin copolymer rubber which is a copolymer of ethylene and an alpha-monoolefin of the formula CH.sub.2 .dbd.CHR where R is an alky... Read More
Inventors: Rinehart, Robert E.;, Assignee: Uniroyal, Inc. (New York, NY) |
Olefine thermoplastic elastomer sheet
OF THE INVENTION The present invention is described in more detail. First, the olefin thermoplastic elastomer sheet of the present invention is described below. The olefine polymer rubber (A) used in... Read More
Inventors: Makino, Makoto; Hamanaka, Tatsuo;, Assignee: Sumitomo Chemical Company, Limited (Osaka, JP) |
Odor free polylactic acid modified aqueous emulsion paints free of volatile coalescing organic solvent
OF THE INVENTION The air dry emulsion latex paint of this invention comprises a film forming matrix polymer of aqueous emulsion copolymerized ethylenically unsaturated monomers, where the polymeric m... Read More
Inventors: Craun, Gary P.; Rademacher, Jude Thomas;, Assignee: The Glidden Company (Strongsville, OH) |
Coextruded chewing gum containing a soft non-SBR gum core portion
What is claimed is: 1. A coextruded chewing gum having a soft gum center portion, comprising an extruded soft gum core portion formed of chewing gum containing at least about 5% up to about 10% by wei... Read More
Inventors: Cherukuri, Subraman R.; Roy, Raymond L.; Friello, Dominick R.; Wolf, Stephen H.;, Assignee: Nabisco Brands, Inc. (New York, NY) |
Aqueous dispersion of polymer composition
We claim: 1. An aqueous dispersion of a polymer composition comprising (A) a copolymer which comprises (a.sub.1) a unit derived from a vinyl monomer having a hydrolyzable silyl group and (a.sub.2) ano... Read More
Inventors: Gyotoku, Hiroaki; Kuriyama, Satoshi; Murata, Kaoru; Ohsumi, Tatsuya;, Assignee: Sanyo Chemical Industries, Ltd. (Kyoto, JP) |
Thermoplastic polymer blends comprising EPDM and EP
The thermoplastic polymer blends of this invention comprise a physical mixture of two polymer components and, optionally, a third polymer component; i.e., (1) at least one ethylene-propylene-diene (E... Read More
Inventors: Herman, Richard M.; Batiuk, Martin;, Assignee: The B. F. Goodrich Company (Akron, OH) |
Viscosity index improver and method for producing the same
OF THE INVENTION The olefinic polymers to be used in this invention as component (1) are generally polymers or copolymers of olefins such as ethylene, propylene, isobutylene, butadiene, isoprene, etc... Read More
Inventors: Ohsumi, Tatsuya; Yoshida, Shigeyuki; Kano, Yoshio; Sakai, Kouzou;, Assignee: Sanyo Chemical Industries, Ltd. (Kyoto, JP) |
Alkyd resins and coating compositions therefrom based on copolymers of allyl alcohol propoxylates and vinyl aromatic monomers
OF THE INVENTION The copolymers of the invention have recurring units of a vinyl aromatic monomer and a propoxylated allyl alcohol. Vinyl aromatic monomers useful in the invention are aromatic compou... Read More
Inventors: Guo, Shao-Hua;, Assignee: ARCO Chemical Technology, L.P. (Greenville, DE) |
Method for making free flowing coated rubber pellets
It has surprisingly been found that a rubber pellet composition comprising an elastomer and plastic insoluble in the elastomer can be caused to coat itself with a plastic skin by control of compositio... Read More
Inventors: Kresge, Edward N.; Hazelton, Donald R.;, Assignee: Exxon Research & Engineering Co. (Florham Park, NJ) |
Films of LLDPE, PP and EPR having improved stiffness, tear and impact strength
OF THE INVENTION The thermoplastic blends of this invention generally comprise 60 to 95 weight percent of a linear low density copolymer of ethylene and an olefin having 4 to 10 carbon atoms (LLDPE);... Read More
Inventors: Bahl, Surinder K.; Canterino, Peter J.; Shaw, Richard G.;, Assignee: Mobil Oil Corporation (New York, NY) |
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Adhesives and Rubbers 
