Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 7728072 | Epichlorohydrin amine polymers used for treating the surface of leather An epichlorohydrinamine polymer has a ratio of amine units to epichlorohydrin units of from 0.8:1.2 to 1.0:1.0, dimethylaminopropylamine and benzylamine preferably being used as amine and/or ammonium units. The novel epichlorohydrinamine polymer is used, for example... | 06/01/2010 |
| 7323516 | Peroxide curable butyl formulations for rubber articles The present invention is directed to a peroxide curable rubber compound containing a butyl rubber polymer and an olefin polymer of ethylene and at least one α-olefin. The present invention is also directed to a peroxide curable rubber compound containing a butyl po... | 01/29/2008 |
| 7169839 | Acrylic rubber composition and heat-resistant hose An acrylic rubber composition in which the base material is an acrylic rubber comprising monomer units of ethyl acrylate, n-butyl acrylate, and cure site monomer, with a ratio (B/A) of the amount of n-butyl acrylate (B) with respect to ethyl acrylate (A) of 1.0 or l... | 01/30/2007 |
| 7019077 | Resin composition for primer The present invention provides a resin composition for a primer comprising (a) 100 parts by weight of a chlorinated polyolefin having a chlorine content of 5–50 wt. % and a weight-average molecular weight of 30000–120000, and (b) 15–80 parts by weight of a hyd... | 03/28/2006 |
| 6939921 | Colorable elastomeric composition Transparent and colorable elastomeric compositions are provided. The transparent elastomeric compositions can be covulcanized with rubbers such as polybutadiene, polyisoprene, styrene-butadiene rubber, styrene-isoprene-butadiene rubber, isoprene-butadiene rubber, or... | 09/06/2005 |
| 6907911 | Thermoplastic blend The invention generally relates to thermoplastic blends having improved properties. Optionally, these blends may be dynamically vulcanized. More specifically, this invention is directed to a composition comprising a blend of chloromethylated(styrene-isobutylene) pol... | 06/21/2005 |
| 6844371 | Material having separating function An object of the present invention is to provide a separation functional material having more excellent adsorptive separation performance than previously. In order to attain this object, separation functional materials of the present invention are characterized in t... | 01/18/2005 |
| 6843292 | Thermoplastic blend The invention generally relates to thermoplastic blends having improved properties. Optionally, these blends may be dynamically vulcanized. More specifically, this invention is directed to a composition comprising a blend of chloromethylated(styrene-isobutylene) pol... | 01/18/2005 |
| 6759480 | Thermoplastic resins modified by copolymers based on heavy acrylates The invention relates to thermoplastic compositions comprising: −40 to 97 parts of a thermoplastic polymer (M) forming a matrix, chosen from polyamides, polyamide block copolymers, fluoro polymers, polycarbonate, styrene resins, PMMA, thermoplastic polyuret... | 07/06/2004 |
| 6670419 | Method of toughening thermoplastic polymers and thermoplastic compositions produced thereby A method of forming a toughened article from a blend of a thermoplastic polymer and a comb copolymer is disclosed, along with the toughened article produced thereby. Compositions such as solids blends and melt blends, including a thermoplastic polymer and... | 12/30/2003 |
| 6476128 | Low-gloss blends containing poly(meth)acrylate rubber-based graft copolymer and process for making thereof A process for controlling the surface gloss of a molded composition of: (a) a polyvinyl chloride resin and (b) a graft copolymer comprising a discontinuous poly(alkyl(meth)acrylate) rubber phase and a rigid thermoplastic phase, wherein at least a portion ... | 11/05/2002 |
| 6433091 | Adhesive composition A methacrylate ester or acrylate ester two-part reactive adhesive composition including vinyl-terminated liquid rubber and polymeric elastomer. The vinyl-terminated liquid rubber is preferably methacrylate-terminated or acrylate-terminated polybutadiene; ... | 08/13/2002 |
| 6376598 | Thermoplastic blend The invention generally relates to thermoplastic blends having improved properties. Optionally, these blends may be dynamically vulcanized. More specifically, this invention is directed to a composition comprising a blend of chloromethylated(styrene-isobu... | 04/23/2002 |
| 6346571 | Thermoplastic blend containing engineering resin A thermoplastic composition which may be unvulcanized or vulcanized is provided which comprises a polymer blend of an elastomeric thermoplastic engineering resin and a halogen-containing copolymer of a C4 to C7 isomonoolefin and a pa... | 02/12/2002 |
| 6277915 | Block chlorinated polyolefins for use as impact modifier enhancers for PVC or CPVC Block chlorinated polyolefins are disclosed as performance enhancer of high rubber graft copolymers or chlorinated polyethylenes impact modifier in PVC and/or CPVC resins. The block chlorinated polyolefins (e.g. block chlorinated polyethylene) provide goo... | 08/21/2001 |
| 6255389 | Star-branched rubber thermoplastic elastomer vulcanizates The present invention relates to a curable composition comprising a thermoplastic polyolefin resin and a curable star-branched rubber, a thermoplastic elastomeric vulcanizate obtainable therefrom by dynamically vulcanizing said curable composition in the ... | 07/03/2001 |
| 6136918 | Rubber latexes, graft copolymers, and thermoplastic resin compositions A rubber latex with its particles grown through cohesion by adding 100 weight parts of (B) a rubber latex (solid), 0.1-15 weight parts (solid) of (A) an acid group-containing latex having an average particle size of 50-500 nm prepared by polymerizing a mo... | 10/24/2000 |
| 6136200 | Treatment for paint and lacquer waste water A composition for the detackification and clarification of acid and alkaline paint and lacquer waste waters and paint spray booth wastes, comprising: an inorganic-organic and/or organic adduct alloy polymer composition having the formula: A.multidot.B | 10/24/2000 |
| 6100331 | Graft copolymer and styrene-based resin composition Disclosed is a graft copolymer (A+B) of a styrene-based monomer (A) and a terminal styrene derivative-modified olefin-based macromer (B) of formula (1), having a high degree of syndiotacticity for the stereospecificity of the chains derived from the styre... | 08/08/2000 |
| 6087435 | Composition of styrene resin, thermoplastic resin and rubber particles A polystyrene-based resin composition, comprising (A) a styrene-based resin with a mainly syndiotactic configuration, (B) a polyolefin, and (C) rubber polymer particles as main components, exhibits excellent heat resistance and impact resistance.... | 07/11/2000 |
| 6051655 | Styrene-based resin composition with thermoplastic resin A composition amenable to injection molding and extrusion comprises a syndiotactic styrene resin, a thermoplastic resin such as a polyolefin and an inorganic filler optionally contains a rubber.... | 04/18/2000 |
| 6048610 | Primer coating for polyolefin-backed tapes A primer coating composition for use in polyolefin-backed pressure sensitive tape comprising a maleic anhydride modified chlorinated polyolefin covalently bonded to a maleic anhydride modified A-B-A block copolymer, where A is a thermoplastic polystyrene ... | 04/11/2000 |
| 6013727 | Thermoplastic blend containing engineering resin A thermoplastic composition which may be unvulcanized or vulcanized is provided which comprises a polymer blend of an elastomeric thermoplastic engineering resin and a halogen-containing copolymer of a C4 to C7 isomonoolefin and a pa... | 01/11/2000 |
| 5965666 | Thermoplastic resin composition with high impact strength at low temperatures This invention relates to a resin composition having high impact strength at low temperatures, comprising a polyamide, a graft copolymer obtained by graft polymerizing a monomer mixture of an aromatic vinyl monomer and a vinyl cyanide monomer to a conjuga... | 10/12/1999 |
| 5959015 | Conductive modification of paintable mold-in color capable, thermoplastic olefin formulation A electrical conductivity modified thermoplastic olefin (TPO) polymer blend with improved electrostatic painting efficiency, the blend comprising a substantially uniform mixture of: I. polymeric material being the reaction product of: (a) polypropylene, (... | 09/28/1999 |
| 5834558 | Weather resistant theromplastic resin composition A styrenic thermoplastic resin composition comprising a mixture of: (A) 50-90 wt % of a styrenic polymer; (B) 5-35 wt % of a chlorinated polyethylene; (C) 5-35 wt % of a modified ethylene-propylenic rubber; and (D) 0-10 wt % of vinyl graft copolymer has s... | 11/10/1998 |
| 5775779 | Polyurethane thermoplastic elastomer membrane for seat suspension A seat suspension membrane is provided which consists substantially of a biaxially oriented film of a polyurethane thermoplastic elastomer composition, which composition is characterized by substantially linear polymer molecules containing alternate rigid... | 07/07/1998 |
| 5719232 | ABS type thermoplastic moulding compounds ABS type thermoplastic moulding compounds obtainable by A) producing a rubber latex with an average particle diameter d50 of 30 to 160 nm and a gel content of 75 to 100 wt. % B) emulsion polymerization of an amount of butadiene and optionally up to ... | 02/17/1998 |
| 5717028 | Thermoplastic elastomer composition containing chlorinated polyolefin graft copolymer A thermoplastic elastomeric composition is provided exhibiting reduced levels of hardness and enhanced levels of elongation. The composition contains a chlorinated polyolefin and graft copolymer having a rubber substrate present at a level of 65 to 90 per... | 02/10/1998 |
| 5700871 | Compatibilized elastomer blends containing grafted polymers of an isoolefin and alkylstyrene A compatibilized polymer blend composition is provided which comprises a mixture of an elastomeric polymer and an acid-grafted polymer of an isomonoolefin and an alkylstyrene such as a blend of EPDM and a maleic anhydride-grafted copolymer of isobutylene ... | 12/23/1997 |
| 5574100 | Polymer composition and core-shell elastomer used therefor A polymer composition comprising [A] a polymer selected from a copolymer of -olefin having at least 2 carbon atoms and a specific cyclic olefin, a ring-opening polymer of said specific cyclic olefin and a hydroganted, ring-opening polymer thereof a... | 11/12/1996 |
| 5574099 | Rubber-reinforced styrene resin composition and process for producing the same A rubber-reinforced styrene resin composition consisting essentially of: (1) 2-30% by weight of a grafted rubbery polymer wherein less than 30 parts by weight of a polymer of at least an aromatic alkenyl compound and an alkenyl cyanide compound are grafted ont... | 11/12/1996 |
| 5504155 | Rubbery polymer There is a need for polymers which are utilized in automotive interiors which offer increased heat and ultraviolet light resistance. It is particularly critical for polymers which are utilized in making skin compounds for automotive instrument and door pa... | 04/02/1996 |
| 5459174 | Radiation curable isoolefin copolymers A radiation curable functionalized polymer is disclosed. The functionalized polymer is a copolymer of an isoolefin of 4 to 7 carbon atoms and para-alkylstyrene, wherein the para-alkylstyrene is functionalized with an acrylate or a mixture of acrylates and... | 10/17/1995 |
| 5457157 | Transparent, impact-resistant molding materials Molding materials contain from 5 to 50% by weight of a first polymer obtained by polymerizing a C1 -C20 -alkyl ester of methacrylic or acrylic acid; from 5 to 50% by weight of a second polymer obtained by polymerizing a monomer mixtu... | 10/10/1995 |
| 5418276 | Graft copolymer, process for production thereof and resin composition containing same There are disclosed a graft copolymer formed by grafting a styrenic monomer onto a high polymer having double bonds in the side chain to constitute highly syndiotactic polystyrenic chain as the graft component, the graft copolymer having a content of graf... | 05/23/1995 |
| 5407993 | Polychloroprene blend composition Blends of chloroprene homopolymers or copolymers with chloroprene/acrylate or chloroprene/methacrylate graft copolymers provide compositions especially useful as components of latex adhesive formulations.... | 04/18/1995 |
| 5360867 | Process for preparing block or graft copolymers using amino or hydrazino peroxides This invention relates to novel reactive amino or hydrazino peroxides (hereinafter generally referred to as "AHP's") and derivatives all having a Structure A: ##STR1## in which the definitions of P, R11, R22, X, Q and x, y and z are given in the... | 11/01/1994 |
| 5352739 | Compatibilization of elastomer blends This invention relates to a compatibilized rubber composition and a process for compatibilizing polar/nonpolar rubber blends comprising blending compatiblizers such as ethylene/vinyl acetate copolymer, ethylene/methacrylate copolymer EPDM or EP rubber gra... | 10/04/1994 |
| 5294352 | Compositions for the detackification of paint spray booth water and waste water A composition for the detackification and clarification of acid and alkaline paint and lacquer waste waters and paint spray booth wastes, comprising: an inorganic-organic and/or organic adduct alloy polymer composition having the formula: A.multidot.B | 03/15/1994 |