Vulcanizable compositions based on copolymers of vinylidene fluoride and containing vulcanization accelerators which are aminophosphinic compounds
We claim: 1. Vulcanizable compositions consisting of: (I) 100 parts by weight of an elastomeric copolymer of vinylidene fluoride, with at least one fluorinated or chlorofluorinated, ethylenically unsa... Read More
Inventors: Moggi, Giovanni; Mancini, Livio;, Assignee: Montedison S.p.A. (Milan, IT) |
Covulcanizable compositions from fluoroelastomers based on vinylidene fluoride and copolymers tetrafluoroethylene-propylene
What we claim is: 1. Composition of elastomers suitable to be vulcanized, comprising: (a) a fluoroelastomer based on vinylidene fluoride (40-83% by moles), perfluoropropene (15%-35%) and tetrafluoroet... Read More
Inventors: Geri, Sergio; Moggi, Giovanni; Lagana, Carlo;, Assignee: Montedison S.p.A. (Milan, IT) |
Curable composition of elastomeric vinylidene fluoride copolymer
We claim: 1. A curable composition comprising an elastomeric vinylidene fluoride copolymer, a polyhydroxy compound selected from the group consisting of polyhydroxy aromatic compounds and fluorine-con... Read More
Inventors: Ito, Yasumichi; Wachi, Hiroshi;, Assignee: Asahi Glass Company, Ltd. (Tokyo, JP) |
Vinylidene fluoride resin composition
In the present invention, as the VdF resin (A), a VdF resin containing not less than 75% by weight of VdF is preferred from the viewpoint of giving the chemical resistance to the obtained film. As th... Read More
Inventors: Yoshimura, Tatsushiro; Tomihashi, Nobuyuki; Chida, Akira;, Assignee: Daikin Industries, Ltd. (Osaka, JP) |
Fluoropolymer compositions
OF THE INVENTION The thermoplastic copolymer used in accordance with this invention is a copolymer of vinylidene fluoride and hexafluoropropylene. The term copolymer used in this context includes pol... Read More
Inventors: Johnson, Rodger G.; Weber, Carl J.;, Assignee: Raychem Corporation (Menlo Park, CA) |
Melt-processable fluoroplastic
What we claim is: 1. A melt-processable fluoroplastic composition comprising a blend of (a) a major amount of a melt-processable, thermoplastic fluoropolymer component of interpolymerized units derive... Read More
Inventors: Blong, Thomas J.; Lavallee, Claude;, Assignee: Minnesota Mining and Manufacturing Company (St. Paul, MN) |
Method for the production of nitrile rubber
OF THE INVENTION The nitrile rubber containing emulsion used in the process of this invention can be synthesized by standard emulsion polymerization techniques. It is synthesized by the copolymerizat... Read More
Inventors: Grimm, Donald Charles;, Assignee: The Goodyear Tire & Rubber Company (Akron, OH) |
Phosphate monoester adhesive composition
OF THE INVENTION The adhesive composition of this invention is characterized by containing a compound of the formula I or II as an adhesive monomer. A compound of the formula I containing an organic ... Read More
Inventors: Omura, Ikuo; Yamauchi, Junichi; Nagase, Yoshinori; Uemura, Fumiko;, Assignee: Kuraray Co., Ltd. (Kurashiki, JP) |
Exposure method and exposure mask with monitoring patterns
Accordingly, an object of the present invention is to provide an exposure method and an exposure mask which makes it possible to judge the amount of exposure and the placement error with the use of fe... Read More
Inventors: Hashimoto, Takeo;, Assignee: NEC Corporation (Tokyo, JP) |
In-line revolving safety reflector assembly
Referring now to FIGS. 1-3, reference numeral 10 designates generally the reflector assembly of the present invention. Portions of a conventional spoked cycle wheel to which it is attached are also s... Read More
Inventors: Sundahl, Edwin G.;, Assignee: |
UV curing process employing flash photolysis
We claim: 1. In a process for ultraviolet curing of an ultraviolet photopolymerizable paint film disposed within an air inhibiting atmosphere, said paint film being irradiated with ultraviolet energy,... Read More
Inventors: De Sorga, Miksa; McGinniss, Vincent D.;, Assignee: SCM Corporation (New York, NY) |
Process for the manufacture of antistatic and biaxially oriented polypropylene film
The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows: 1. A process for preparing a biaxially stretched, crystalline polypropylene film that po... Read More
Inventors: Shima, Keizo; Iwamiya, Seizi; Yano, Hirosi;, Assignee: Daicel, Ltd. (Osaka, JA) |
Flatness control of thermoplastic film
We claim: 1. Method for continuously producing molecularly oriented heat set polymer film, comprising the steps of extruding a linear organic, crystallizable thermoplastic polymer to form a molten lay... Read More
Inventors: De Smedt, Felix F.; Gilles, Charles A.;, Assignee: AGFA-GEVAERT N.V. (Mortsel, BE) |
Process for manufacture of surface-modified oriented polymeric film
OF THE INVENTION The Applicant has discovered that conventionally-manufactured, biaxially-oriented polymeric film may be modified to enhance its heat seal adhesion. More particularly, the surface of ... Read More
Inventors: Caines, R. Scott;, Assignee: American Hoechst Corporation (Somerville, NJ) |
Half-ester reaction products of maleated alpha-olefins and monohydric alcohols
What is claimed is: 1. A composition of the formula ##EQU4## wherein R and R.sup.1 represent hydrocarbyl groups, d and e represent repeating alkylene units of 1 to 5 carbon atoms inclusive, f is an in... Read More
Inventors: Stowell, James K.;, Assignee: A. E. Staley Manufacturing Company (Decatur, IL) |
Poly(1,4-benzamide) copolymers
What is claimed is: 1. A copolymer having an inherent viscosity of at least 0.2 measured at 30.degree. C using a solution containing 0.5 gm of the polymer in 100 ml of N,N-dimethylacetamide containing... Read More
Inventors: Morgan, Paul Winthrop;, Assignee: E. I. Du Pont de Nemours and Company (Wilmington, DE) |
Cycloalkyl carbonyl end-capped aromatic polycarbonates
OF THE INVENTION Aromatic polycarbonates can be prepared by any of the usual procedures. These polymers can be prepared by reacting a dihydric phenol with a carbonate precursor in an interfacial poly... Read More
Inventors: Rosenquist, Niles R.;, Assignee: General Electric Company (Mt. Vernon, IN) |
Ferroelectric liquid crystal device and method of driving the same
An object of the present invention is to provide a device structure and a driving method thereof for constructing a liquid crystal device having a large number of scanning lines and a large quantity o... Read More
Inventors: Ohwada, Junichi; Kondo, Katsumi;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Display apparatus
An object of the present invention is to provide an electro-optical effect display apparatus wherein the number of bus-lines is reduced and hence the area of the display element is enlarged. The elect... Read More
Inventors: Takeda, Etsuya; Nanno, Yutaka; Kawaguchi, Takao; Nagata, Seiichi;, Assignee: Matsushita Electric Industrial Co., Ltd. (Kadoma, JP) |
Photographic camera
A first object of the present invention is to provide a photographic camera having a structure that can be made compact when carried compared to conventional ones. A second object of the present inven... Read More
Inventors: Ito, Fumio; Yazaki, Mutsunobu;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Neutralization of electrostatic charges
In accordance with the teachings of the present invention, apparatus is provided for neutralizing electrostatic charges on charge-retaining materials. The apparatus includes an electrically conductive... Read More
Inventors: Kisler, Semyon;, Assignee: Polaroid Corporation (Cambridge, MA) |
Low voltage electrostatic charge regulating apparatus
In accordance with the teachings of the present invention, apparatus is provided for establishing a relatively uniform charge level on charge-retaining materials. The apparatus includes an electricall... Read More
Inventors: Kisler, Semyon;, Assignee: Polaroid Corporation (Cambridge, MA) |
Method and apparatus for uniformly charging a moving web
In accordance with the teachings of the present invention, a method and apparatus is provided for uniformly charging an electrostatically chaged web having random bounded and unbounded electrostatic c... Read More
Inventors: Kisler, Semyon;, Assignee: Polaroid Corporation (Cambridge, MA) |
Electromagnetically driven shutter
It is an object of the present invention to provide regulating means which can regulate a holding power with simple means when shutter blades are held at their starting positions in a magnetic manner ... Read More
Inventors: Shimada, Fumio; Date, Nobuaki;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP); Canon Denshi Kabushiki Kaisha (Saitama, JP) |
Solid state regulated power transformer with waveform conditioning capability
What is claimed is: 1. A solid state regulating power transformer which provides variable step up or step down voltage transformation and which provides a regulated AC output signal from an unregulate... Read More
Inventors: Brooks, James L.; Staab, Roger I.; Bowers, James C.; Nienhaus, Harry A.;, Assignee: The United States of America as represented by the Secretary of the Navy (Washington, DC) |
Brushless DC motor
Accordingly, an object of the present invention is to provide a brushless DC motor having a protecting function which detects the temperature of the drive transistors and restricts the rise of the tem... Read More
Inventors: Akeda, Takafumi; Gotou, Makoto; Igarashi, Yoshiaki; Hosokawa, Yoshiteru;, Assignee: Matsushita Electric Industrial Co., Ltd. (Osaka, JP) |
Electric sewing machine motor control device
In view of the forgoing, the main object of this invention is to provide a motor control device wherein the time delay of the control system can be reduced and the speed control can be stabilized and ... Read More
Inventors: Chieng, Yu S.;, Assignee: Yong Huei Hsing Electric Industries Corp. (Taichung, TW) |
DC motor drive system for reducing start-up current
We claim: 1. A direct-current motor drive system comprising: a DC motor; means, connected to said DC motor, for detecting a rotation of a rotor of said DC motor and outputting a rotational signal; pow... Read More
Inventors: Shinohara, Tooru; Iwatsubo, Masahito;, Assignee: Fujitsu Limited (Kawasaki, JP) |
D.c. motor with a current-limiting arrangement
OF THE PREFERRED EMBODIMENTS FIG. 1 depicts a d.c. motor 10 which can be constructed as a conventional collector-commutated, low- or fractional-horsepower motor, a free-running diode 11, as will be e... Read More
Inventors: Muller, Rolf;, Assignee: Papst Licensing GmbH (Spaichingen, DE) |
Mixing apparatus for mixing paint compositions and the like slurry products
I claim: 1. A mixing apparatus having a cage rotatable about its transversal axis, said cage including two plates rotatable about their central axes and adapted to receive and hold a product vessel th... Read More
Inventors: Gargioni, Domenico;, Assignee: |
LCD 
