Organophosphite accelerators for epoxide curing
I claim: 1. A curable epoxide composition comprising an epoxide resin, a triaryl phosphite accelerator and a poly(alkylene oxide)polyamine or an amino alkyl piperazine epoxide resin hardener. 2. The c... Read More
Inventors: Goel, Anil B.;, Assignee: Ashland Oil, Inc. (Ashland, KY) |
Inidazoline thiocyanates as cure accelerators for amine curing of epoxide resins
I claim: 1. An adhesive composition comprising a mixture of a polyepoxide, an amine curing agent and a thiocyanate salt of a compound having the formula ##STR7## wherein R represents an alkyl group ca... Read More
Inventors: Goel, Anil B.;, Assignee: Ashland Oil, Inc. (Ashland, KY) |
Rapid curing epoxy compositions
I claim: 1. A rapid curing composition comprising a mixture of (A) a polyepoxide and an amine curing agent and (B) a thiocyanate salt of the reaction product of an alkylene polyamine and a bicyclic am... Read More
Inventors: Goel, Anil B.;, Assignee: Ashland Oil, Inc. (Ashland, KY) |
Composition containing epoxy resin and alkyl hindered polyaromatic diamine and monoaromatic amine curing agents
What is claimed is: 1. A curable epoxy resin composition comprising (a) a low viscosity liquid epoxy resin; (b) an alkyl hindered aromatic primary diamine curing agent having at least two aromatic rin... Read More
Inventors: Kershaw, Jacqueline A.;, Assignee: Shell Oil Company (Houston, TX) |
Latent, curable, catalyzed mixtures of epoxy-containing and phenolic hydroxyl-containing compounds
OF THE INVENTION The catalysts employed in the present invention are prepared by simply mixing in the desired proportions and stirring to insure intimate contact the onium, amine or nitrogen-containi... Read More
Inventors: Bertram, James L.; Walker, Louis L.; Muskopf, John W.;, Assignee: The Dow Chemical Company (Midland, MI) |
Quinoline and pyridine compounds and inhibition of 5-lipoxygenases therewith
What we claim is: 1. A compound of the formula I ##STR23## in which formula I X stands for O, S, ##STR24## R.sub.1 and R.sub.2 which can be the same or different stand for hydrogen, straight or branch... Read More
Inventors: Nielsen, Ole Bent T.; Ahnfelt-Ronne, Ian;, Assignee: Leo Pharmaceutical Products Ltd. (Ballerup, DK) |
Latent, curable, catalyzed mixtures of epoxy-containing and phenolic-hydroxyl-containing compounds containing compounds or complexes formed from contacting organic phosphines or arsines with weak nucleophilic acids
OF THE INVENTION The catalysts employed in the present invention are prepared by simply mixing in the desired proportions and stirring to insure intimate contact, the phosphine or arsine compound wit... Read More
Inventors: Muskopf, John W.; Walker, Louis L.; Bertram, James L.;, Assignee: The Dow Chemical Company (Midland, MI) |
Precatalyzed catalyst compositions, process for preparing epoxy resins curable compositions, articles resulting from curing the resultant compositions
OF THE INVENTION The precatalyzed compositions of the present invention can contain catalytic amounts of the phosphine or phosphonium compound or they can contain greater amounts so as to act as a ma... Read More
Inventors: Pham, Ha Q.; Cavitt, Michael B.; Hardcastle, Pamela A.;, Assignee: The Dow Chemical Company (Midland, MI) |
Hardenable epoxide resin mixtures containing a latent hardener, an amine and a thiol
What is claimed is: 1. A hardenable mixture, comprising (a) an epoxide resin, (b) a latent epoxide resin hardener which starts to react only at a temperature of at least 80.degree. C. (measured by DSC... Read More
Inventors: Setiabudi, Frans; Gruber, Urs;, Assignee: Ciba-Geigy Corporation (Ardsley, NY) |
Optical method for determining relative positions of two pieces and device for its implementation
We claim: 1. A device for positioning a first piece opposite or in an opening in second piece, comprising: (a) a light emitter for emitting a substantially parallel light beam during use, (b) a light ... Read More
Inventors: Vareille, Aime; Schiltz, Andre; Hauuy, Jean C.;, Assignee: France Telecom (Paris, FR) |
Nuclear waste solidification
The drawing illustrates apparatus that may be used in practicing this invention. The calciner vessel 10 includes a lower reaction section 12 and an upper recovery of disengaging section 14 which is o... Read More
Inventors: Bjorklund, William J.;, Assignee: The United States of America as represented by the United States Energy (Washington, DC) |
Method and apparatus for producing multicolor patterns and sheet material produced thereby
It has now been found that the foregoing and related objects may be readily obtained by a differentially colored extruded thermoplastic sheet material which has bands of differentially colored resin e... Read More
Inventors: Randall, Robert E.;, Assignee: Rowland Products, Incorporated (Berlin, CT) |
Modified polyester compositions containing mineral filler
I claim: 1. A thermoplastic composition comprising: (a) a polyester composition comprising: (i) a poly(1,4-butylene terephthalate) resin; (ii) a blend of a poly(1,4-butylene terephthalate) resin and a... Read More
Inventors: Dieck, Ronald L.;, Assignee: General Electric Company (Pittsfield, MA) |
Process for the production of molded foams
What is claimed is: 1. In a process for the production of molded foams having a compact surface and cellular core and an integral density distribution over the cross-section of the body, comprising re... Read More
Inventors: Meyborg, Holger; Mormann, Werner; Grogler, Gerhard; Schwindt, Jurgen;, Assignee: Bayer Aktiengesellschaft (Leverkusen, DE) |
Process for extruding stabilized expanded polystyrene composition
What is claimed is: 1. A process of preparing expanded polystyrene which comprises preparing a foam extruder feed material comprising from about 20 to about 50 parts by weight of solid pellets of prev... Read More
Inventors: Hargreaves, Brian; Richmond, Michael H.;, Assignee: Polysar Limited (Sarnia, CA) |
Unfired refractory composition
OF THE PREFERRED EMBODIMENTS In the present invention, a siliceous binder, a carbonizable organic binder and a phosphate type hardening agent are used in combination as the binder. If these three com... Read More
Inventors: Naito, Hiroyuki; Maruya, Takashi; Gotoh, Kyugo; Ohmori, Hideyo;, Assignee: Mizusawa Kazahu Kogyo Kabushiki Kaisha (Osaka, JP); Mitsubisha Corporation (Tokyo, JP); Yamato Refractives & Co. (Chiba, JP) |
Polymers possessing imide groups
We claim: 1. A process for preparing a polymer possessing imide groups, which consists essentially of reacting, at 50.degree. to 300.degree. C., cyanamide and a product possessing imide groups selecte... Read More
Inventors: Gruffaz, Max; Lefebvre, Gerard;, Assignee: Rhone-Poulenc Industries (Paris, FR) |
Process for coating electric or electronic elements
We claim: 1. An improved coating process for electronic elements which comprises the steps of: (1) forcibly impregnating the element with a liquid thermosetting resin, (2) applying a powdered resin to... Read More
Inventors: Kikuga, Toyoji; Nakamura, Masayuki; Goto, Tateo; Amakawa, Tosaku;, Assignee: Sumitomo Durez Company, Ltd. (Tokyo, JP) |
Process for demisting transparent materials
What is claimed is: 1. A process for demisting a transparent material comprising the steps of: (1) coating onto a surface of the transparent material a copolymer obtained by subjecting 2-hydroxyethyl ... Read More
Inventors: Ohno, Toshiaki; Niizeki, Kiyoshi;, Assignee: Hoya Lens Corporation (Tokyo, JP) |
Method and apparatus for electrostatic coating
The apparatus shown in the drawings comprises a casing 1 provided with a powder hopper 2 having a lid 3 and a stand 4 including a ring 6 and a hook 7. Fitted to the casing is a main on-off switch 8, ... Read More
Inventors: Haig, Frederic David;, Assignee: |
Electrostatic coating apparatus
We claim: 1. Electrostatic coating apparatus comprising, in combination, a store of solid pulverulent coating material, a rotary discharge member having a sharp peripheral edge of circular configurati... Read More
Inventors: Probst, Richard O.;, Assignee: Ransburg Corporation (Indianapolis, IN) |
Minimization of spangling on hot dip galvanized steel strip
Referring initially to FIG. 1, illustrated at 10 is an uncoated steel strip which is moved along rollers 11, 11 located within a hood 12 which extends into a vat 13 containing a bath 14 of galvanizin... Read More
Inventors: Kim, Yong-Wu; Coduti, Phillip L.; Sok, Brian A.; Carter, William A.;, Assignee: Inland Steel Company (Chicago, IL) |
System for the phase locking synthesized high frequency pulses to a low frequency signal
It is an object of this invention to provide apparatus for locking a synthesized high frequency signal to a low frequency signal without utilizing a phase locked loop. It is a further object of this i... Read More
Inventors: Jarrett, Douglas G.;, Assignee: Exxon Research & Engineering Co. (Florham Park, NJ) |
Process and apparatus for forming silicate products
What we claim is: 1. A process in which a stable aqueous dispersion of a complex alkali metal-aluminium-silicate having a pH of 3 to 7.5, which contains up to 5% silicate, measured as SiO.sub.2, and w... Read More
Inventors: Smith, Fred;, Assignee: Anglian Water Authority (Huntingdon, EN) |
Process for the preparation of substituted guanidines
What I claim is: 1. In a process for preparing a guanidine which comprises reacting a substituted (aminomethylene) ammonium halide and a primary amine, the improvement consisting of carrying out the r... Read More
Inventors: Mark, Victor;, Assignee: General Electric Company (Mt. Vernon, IN) |
Liquid crystal composition
What is claimed is: 1. A liquid crystal composition having a liquid crystal temperature range encompassing the range of -10.degree. C to 60.degree. C, comprising in combination a. at least one compone... Read More
Inventors: Inukai, Takashi; Sato, Hideo; Ishibe, Tetsuya;, Assignee: Chisso Corporation (Osaka, JA) |
Electro-optic device
What we claim is: 1. In an electro-optical matrix display device having a cell containing a liquid crystal composition exhibiting a cholesteric to nematic phase transition upon applied voltage, which ... Read More
Inventors: Tsukamoto, Masahide; Ohtsuka, Tetsuro; Morimoto, Kazuhisa; Murakami, Yoshinobu;, Assignee: Matsushita Electric Industrial Co., Ltd. (JA) |
Infrared thermography for determining equipment temperatures in oil well fires
It is therefore a specific object of the present invention to provide a technique whereby infrared thermography can be applied for determining temperatures of equipment in an oil well complex, such as... Read More
Inventors: Faulkner, Kenneth F.;, Assignee: Infrared Surveys, Incorporated (Houston, TX) |
Measurement of heat transfer between a specimen and an ambient medium
We claim: 1. Method for measuring heat transfer between a specimen of condensed matter and an ambient gas, comprising directing a pencil of light substantially parallel and close to a surface of the s... Read More
Inventors: Badoz, Jacques; Boccara, Albert; Fournier born Juillard, Daniele;, Assignee: Agence Nationale de Valorisation de la Recherche (ANVAR) (Neuilly sur Seine, FR) |
Concrete encapsulation for spent nuclear fuel storage
While concrete structures have been utilized in the nuclear industry as a shielding spaced from reactor structures, concrete has never been considered as a mixture useful in long-term storage of spent... Read More
Inventors: Fleischer, Leonard R.; Gunasekaran, Muthian;, Assignee: Westinghouse Electric Corp. (Pittsburgh, PA) |