Room temperature curable compositions
OF THE INVENTION Diorganopolysiloxanes having terminal condensable groups which have or could have been used heretofore in the preparation of compositions which may be stored under anhydrous conditio... Read More
Inventors: Innertsberger, Ernst; Sommer, Oswin; Bosch, Erhard; Muller, Johann; Schiller, August;, Assignee: Wacker-Chemie GmbH (Munich, DE) |
Method for the formation of abrasion-resistant coating film
What is claimed is: 1. In a method for forming an abrasion-resistant coating film by heat-curing a coating composition on the surface of a substrate, said composition composed mainly of a partially hy... Read More
Inventors: Yuyama, Masahiro; Futagami, Mikio;, Assignee: Sumitomo Chemical Company, Limited (Osaka, JP) |
Silicone resin coating composition with improved shelf life
OF THE INVENTION The improved coating compositions of this invention are prepared by hydrolyzing a trialkoxysilane or a mixture of trialkoxysilanes of the formula R'Si(OR).sub.3, wherein R' is alkyl ... Read More
Inventors: O'Malley, William J.; Vaughn, Jr., Howard A.;, Assignee: General Electric Company (Waterford, NY) |
Diorganopolysiloxanes containing itaconate functional groups
OF THE PREFERRED EMBODIMENTS OF THE INVENTION More particularly according to the present invention, the "other" siloxy recurring units of the subject novel diorganopolysiloxanes preferably have the f... Read More
Inventors: Chizat, Francois;, Assignee: Rhone-Poulenc Chimie (Courbevoie, FR) |
Ethylene polymerization using supported vanadium catalyst
OF THE INVENTION The invention relates to a high activity, catalyst composition and process for producing polyethylene. The polyethylene so produced possesses a superior balance of properties in flui... Read More
Inventors: Beran, Debra L.; Cann, Kevin J.; Jorgensen, Robert J.; Karol, Frederick J.; Maraschin, Norma J.; Marcinkowsky, Arthur E.;, Assignee: Union Carbide Chemicals and Plastics Company Inc. (Danbury, CT) |
Catalyst and process for producing alpha-olefin polymers using the same
OF THE INVENTION The present invention will be explained specifically below. (a) Titanium compound The titanium compound used in the present invention is represented by the general formula Ti(OR.sup.... Read More
Inventors: Sasaki, Toshio; Katao, Masaaki; Kawai, Kiyoshi; Shiga, Akinobu;, Assignee: Sumitomo Chemical Company, Limited (Osaka, JP) |
Method for producing a wax isomerization catalyst
What is claimed: 1. A method for producing a catalyst for use in wax isomerization processes, said method comprising the steps of: (1) depositing a hydrogenation metal component on a refractory metal ... Read More
Inventors: Cody, Ian A.; Hamner, deceased, Glen P.; Sawyer, Willard H.; Schorfheide, James J.;, Assignee: Exxon Research and Engineering Company (Florham Park, NJ) |
Catalyst for the preparation of polyalpha-olefins having broad molecular weight distributions
We claim: 1. A catalyst for the polymerization of alpha-olefins consisting essentially of (A) an organometallic promoter and (B) a solid component which is the reaction product of an alkylaluminum dih... Read More
Inventors: Melquist, John L.; Kildahl, Nicholas K.; Fotis, Peter;, Assignee: Standard Oil Company (Indiana) (Chicago, IL) |
Mordenite-based catalyst containing at least one metal from group VIII and its use for isomerizing a C.sub.8 aromatic fraction
We claim: 1. A catalyst comprising a mordenite and at least one metal from group VIII of the periodic classification of elements, wherein said mordenite is such that its skeleton Si/Al atomic ratio is... Read More
Inventors: Travers, Christine; Raatz, Francis; Marcilly, Christian;, Assignee: Institut Francais du Petrole (Rueil Malmaison, FR) |
Activated cobalt catalyst and synthesis gas conversion using same
What is claimed is: 1. A process for the preparation of a catalyst which comprises subjecting a cobalt carbonyl-impregnated alumina or silica support to an activation procedure comprising the steps of... Read More
Inventors: Kobylinski, Thaddeus P.; Kibby, Charles L.; Pannell, Richard B.; Eddy, Elizabeth L.;, Assignee: |
Branched polyphenylene-mica composites
I claim: 1. A high temperature resistant composite comprising from about 50 to 90 wt. % mica and from about 10 to 50 wt.% branched polyphenylene having at least about 8% by weight of its benzene ring ... Read More
Inventors: Wang, Chen-Shen;, Assignee: Standard Oil Company (Indiana) (Chicago, IL) |
Additive for air-entrained super plasticized concrete, concrete produced thereby and method of producing air-entrained super plasticized concrete
What is claimed is: 1. In the method of preparing an air entrained, super plasticized concrete having a bubble spacing factor of a maximum of 0.008 in. as defined by ASTM standard C457 the steps of ad... Read More
Inventors: Bobrowski, Gregory S.; Connolly, James D.;, Assignee: American Admixtures and Chemicals Corporation (Chicago, IL) |
Polyethylene containing hot melt adhesives
We claim: 1. An adhesive composition capable of being used as a hot melt adhesive containing as adhesive components a blend essentially consisting of a. about 50 to 80 percent by weight of at least on... Read More
Inventors: Combs, Robert L.; McConnell, Richard L.; Meyer, Jr., Max F.;, Assignee: Eastman Kodak Company (Rochester, NY) |
Polypyrrole thiophene
The present inventor has diligently studied to solve the problems described above. As a result, it has been found that a heterocyclic compound polymer constituted of particular repeat units wherein a ... Read More
Inventors: Naitoh, Shigeki;, Assignee: Research Dev. Corp. (Tokyo, JP); Sumitomo Chemical Company (Osaka, JP) |
Olefin polymerization catalysts adapted for gas phase processes
We claim: 1. A multi-component Ziegler or Ziegler-Natta type high activity catalyst composition consisting of: (a) about 50 to 95 weight % of solid inert particulate organic support material having an... Read More
Inventors: Gross, Laurence H.; Noshay, Allen;, Assignee: Union Carbide Corporation (Danbury, CT) |
Polymer supported Ziegler-Natta catalysts
OF THE INVENTION The catalyst of the present invention can be conveniently prepared by contacting the organic polymeric material containing the covalently bonded aromatic polyhydric compound and the ... Read More
Inventors: Bedell, Stephen A.; Howell, Jr., William R.; Coleman, III, William M.;, Assignee: The Dow Chemical Company (Midland, MI) |
Process for the production of elastomeric primarily isotactic polyolefins and catalysts for use in said process
OF THE INVENTION The "normal" well known polypropylenes discussed above are generally high molecular weight materials which consist of blocks of monomer units of relatively or extremely long average ... Read More
Inventors: Job, Robert C.;, Assignee: Shell Oil Company (Houston, TX) |
Ziegler catalysts
What we claim is: 1. In a Ziegler catalytic system formed by the combination of an organo-metallic compound of a metal of Group I, II or III of the Periodic System of the Elements according to Mendele... Read More
Inventors: Ligorati, Ferdinando; Invernizzi, Renzo; Collu, Carlo; Fontanesi, Maurizio;, Assignee: Euteco S.p.A. (Milan, IT) |
Vibrating member for acoustic transducer and method for manufacturing the same
The present invention relates to a vibrating member of the type mentioned above and a method for fabricating the vibrating member. An object of the present invention is to improve the ratio E/.rho. of... Read More
Inventors: Tsukagoshi, Tsunehiro; Suzuki, Shin-ichi; Ogino, Hitomi;, Assignee: Pioneer Electronic Corporation (Tokyo, JP) |
Vermicular expanded graphite composite material
OF THE INVENTION Compressed forms of vermicular expanded graphite-resin material are conventionally produced by blending a supply of the vermicular expanded graphite with an inorganic or organic resi... Read More
Inventors: Caines, Ronald S.;, Assignee: The Dow Chemical Company (Midland, MI) |
Graphite refractory article having dense structure with low porosity
An object of the present invention is therefore to provide a graphite refractory article having a dense structure with a low porosity. Another object of the present invention is to provide a graphite ... Read More
Inventors: Yoshino, Shigeo; Zenbutsu, Tadashi; Asami, Hajime; Suma, Miki;, Assignee: Shinagawa Shirorenga Kabushiki Kaisha (Tokyo, JP); Toshin Seiko Kabushiki Kaisha (Tokyo, JP) |
Crank mechanism lubricating system
We claim: 1. Crank mechanism comprising crankshaft means journalled on crankcase means through main bearing means and having crankarm and crankpin means, connecting rod means connected with said crank... Read More
Inventors: Tamba, Shinichi; Yamamoto, Hitoshi; Uda, Ryoji;, Assignee: Kawasaki Jukogyo Kabushiki Kaisha (Kobe, JP) |
Modified 8-ring zeolites as catalysts
OF THE INVENTION Zeolites can be generically described as complex aluminosilicates characterized by a three-dimensional framework structure enclosing cavities occupied by ions and water molecules, al... Read More
Inventors: Bergna, Horacio E.; Corbin, David R.; Sonnichsen, George C.;, Assignee: E. I. Du Pont de Nemours and Company (Wilmington, DE) |
Solid catalyst component for olefin polymerization
What is claimed is: 1. A solid catalyst component for olefin polymerization comprising a hydrocarbon-insoluble product (III) obtained by reacting (A) a silicon compound selected from the group consist... Read More
Inventors: Hanji, Katsumi; Kawai, Kiyoshi;, Assignee: Sumitomo Chemical Company, Limited (Osaka, JP) |
Catalytic composite product for the oxidation of mercaptans and its use for the sweetening of petroleum fractions
OF THE INVENTION The present invention thus has as its object a new catalytic composite product intended for use in a fixed-bed process for the sweetening of the mercaptans contained in petroleum fra... Read More
Inventors: Marty, Claude; Blondeau, Rene;, Assignee: Compagnie De Raffinage et de Distribution Total France (Levallois-Perrett, FR) |
Rare earth stabilized aluminum deficient zeolite
In accordance with the invention, there is provided an aluminum deficient crystalline aluminosilicated zeolite having the crystal structure of a faujasite and having a composition, in its anhydrous st... Read More
Inventors: Pine, Lloyd A.;, Assignee: Exxon Research and Engineering Company (Florham Park, NJ) |
Blends of poly(arylene sulfide) and copoly(arylene sulfide) modified with diphenyl ether
We claim: 1. A composition comprising an admixture of (A) from 99.9 to 90 weight percent, based on the weight of the admixture, of a polymer having repeating units corresponding to the structure ##STR... Read More
Inventors: Fagerburg, David R.; Watkins, Joseph J.; Lawrence, Paul B.;, Assignee: Eastman Kodak Company (Rochester, NY) |
Impact resistant polytetrafluoroethylene and preparation thereof
What is claimed is: 1. A substantially unoriented, shaped PTFE composition prepared by hot compression molding consisting essentially of PTFE and 0 to about 15% by weight of one or more low molecular ... Read More
Inventors: Howard, Jr., Edward G.; Moss, Arthur Z.;, Assignee: E. I. Du Pont de Nemours and Company (Wilmington, DE) |
Process for the vapor phase polymerization of monomers in a horizontal, quench-cooled, stirred-bed reactor using essentially total off-gas recycle and melt finishing
What is claimed is: 1. A process for continuously polymerizing from the vapor state at least one polymerizable monomer comprising: a. introducing said monomer into one or more vapor recycle inlets whi... Read More
Inventors: Jezl, James L.; Peters, Edwin F.; Hall, Robert D.; Shepard, John W.;, Assignee: Standard Oil Company (Chicago, IL) |
Vapor phase reactor off-gas recycle system for use in the vapor state polymerization of monomers
What is claimed is: 1. An essentially isobaric, essentially total, reactor off-gas recycle process comprising: a. removing from a horizontal, vapor state reactor operating at polymerization conditions... Read More
Inventors: Peters, Edwin F.; Spangler, Michael J.; Michaels, Glenn O.; Jezl, James L.;, Assignee: Standard Oil Company (Indiana) (Chicago, IL) |
Adhesives and Rubbers 
