Ingredient Contains A Metal Atom Patents (Class 521/123)
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Patent number: 4266042Abstract: Polyether-based polyurethane foams including as the flame-retardant, an antimony compound, chlorine derived from at least one chlorinated paraffin and alumina trihydrate, and the polyol used to prepare the foams being a diol- or triol-based polyol wherein at least 50% of the hydroxyl end groups are primary hydroxyl end groups, having good flame-retardancy and without any significant fall-off in physical properties as the foams are able to tolerate relatively high levels of the flame retardant.Type: GrantFiled: June 27, 1979Date of Patent: May 5, 1981Assignee: Henderson's Industries LimitedInventor: Ronald S. Park
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Patent number: 4264744Abstract: The use of methylene chloride as a blowing agent for resinous foams, particularly urethane foams is improved by incorporating a low molecular weight polyhydroxy aliphatic compound having more than two hydroxyl groups. Simultaneously with the addition the amount of gelling catalyst (e.g., stannous octoate) required to obtain good foam, particularly the very soft foams, is reduced over that required using the methylene chloride without the addition of the polyhydroxy compound. Similarly, when the polyhydroxy compound of this invention is used, smaller amounts of the gelling catalyst are employed for equal foam properties when the fluorinated halocarbons are employed either alone or in combination with the methylene chloride.Type: GrantFiled: December 26, 1979Date of Patent: April 28, 1981Assignee: The Dow Chemical CompanyInventors: Olga L. Milovanovic, Wolf Sehr, Richard S. Sayad
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Patent number: 4263411Abstract: A process of forming polyurethane compositions which emit reduced amounts of toxic smoke on burning is described. The process comprises reacting a mixture of an organic compound having two or more active hydrogen atoms, an organic polyfunctional isocyanate, a catalyst and at least one metal salt of an aliphatic or alicyclic monocarboxylic acid wherein the metal is cobalt, copper, nickel or manganese. The metal salt is added to the mixture in an amount which is sufficient to reduce the formation of toxic substances when the polyurethane is ignited.Type: GrantFiled: September 28, 1979Date of Patent: April 21, 1981Assignee: Mooney Chemicals, Inc.Inventor: Eugene Bak
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Patent number: 4248974Abstract: A binder composition for binding foundry sand particles to form molds and cores in sand mold casting processes which may be aluminum alloy casting processes, comprising a thermosetting resin and powdery zinc carbonate which is dispersed in the resin and, while the molds and cores are heated by the poured molten metal, undergoes thermal decomposition with generation of carbon dioxide gas which aids the molds and cores to become readily disintegratable.Type: GrantFiled: June 7, 1979Date of Patent: February 3, 1981Assignee: Nissan Motor Company, LimitedInventors: Shin Fujii, Koue Ohkawa, Takashi Seino
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Patent number: 4243755Abstract: The invention relates to a process for the manufacture of reinforced polyurethane foams based on the reaction of organic polyisocyanates and polyols in the presence of filler dispersions. These dispersions are prepared by in situ crushing of the filler in the polyisocyanate or polyol to a particle size of less than 7 microns.Type: GrantFiled: November 13, 1979Date of Patent: January 6, 1981Assignee: BASF AktiengesellschaftInventors: Matthias Marx, Dietmar Nissen, Wolfgang Jarre
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Patent number: 4237182Abstract: A fire-retarding polyurethane foam is applied to the interior surfaces of a mine such as mine shafts, entries and tunnels. The coating is applied by spraying a mixture of foam-forming ingredients including a hydrophilic polyoxyalkylene urethane prepolymer and a large amount of an aqueous slurry containing a phosphorous compound, alumina trihydrate and a char-forming material such as starch or wood cellulose. The foam coating acts as a protective sealant, and it can also be applied on other surfaces where insulation and fire retardancy are desired.Type: GrantFiled: November 2, 1978Date of Patent: December 2, 1980Assignee: W. R. Grace & Co.Inventors: Glenn E. Fulmer, Robert M. Murch
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Patent number: 4237236Abstract: A combustion resistant material which will not produce toxic gases when subjected to heat, and which can be formed by moulding or by coating it onto a receiving surface while its constituents are reacting is produced by reacting a mixture of:62 to 76: percent by weight aluminium oxide or hydroxide12 to 16: percent by weight phenol resin11.5 to 17.5: percent by weight furfuryl alcoholwith sulphonic acid which serves as hardener, the proportion by weight of the sulphonic acid being from one-tenth to one-twentieth of the amount of aluminium oxide. The viscosity of the reaction mixture can be adjusted by addition of thinners such as butanol or butylglycol, or of thickeners such as chalk, particulate silicic acid, talc or magnesium oxide.Type: GrantFiled: June 6, 1979Date of Patent: December 2, 1980Assignee: Firma Erich Ruhl Chemische Fabrik und Chemikalien-GrosshandelInventor: Berthold Newitzki
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Patent number: 4235974Abstract: Epoxy compounds will react chemically with an amine to produce an epoxy prepolymer that will produce a self-standing cellular solid product upon heating.Type: GrantFiled: December 26, 1979Date of Patent: November 25, 1980Inventor: David H. Blount
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Patent number: 4232127Abstract: Furan-modified rigid isocyanurate foams are taught herein. The foams herein are prepared by either (1) the in situ polymerization of furfuryl alcohol and/or furfural during the foam formation reaction, or (2) the catalytic condensation of a furfuryl alcohol-blocked organic polyisocyanate.Type: GrantFiled: December 19, 1974Date of Patent: November 4, 1980Assignee: BASF Wyandotte CorporationInventors: Moses Cenker, Thirumurti L. Narayan
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Patent number: 4230822Abstract: Improved hydrophilic crosslinked polyurethane foams are prepared by reacting (a) an isocyanate-capped polyoxyethylene prepolymer with (b) at least 20 moles of water per mole of NCO groups in the presence of (c) alumina hydrate, (d) a phosphorus fire-retardant additive and (e) an organic carbon compound which serves to react with phosphate anions at high temperatures (e.g., in the presence of a flame) and reinforces the char provided by combustion of the foam.Type: GrantFiled: October 10, 1978Date of Patent: October 28, 1980Assignee: W. R. Grace & Co.Inventors: Robert M. Murch, Phyllis I. Meyer, John J. Eagan
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Patent number: 4221877Abstract: Covers a water-modified diisocyanate mixture obtained from water-treating a diphenylmethane diisocyanate to provide a diisocyanate mixture comprising 3-25 percent by weight of diphenylmethane biuret isocyanate and 75-97 percent diphenylmethane diisocyanate. Also covers the use of said water-modified diphenylmethane diisocyanate in preparing an improved polyurethane or polyisocyanurate polymer. Also covers said polymers.Type: GrantFiled: January 27, 1978Date of Patent: September 9, 1980Assignee: Texaco Development Corp.Inventors: Michael Cuscurida, Robert L. Zimmerman, Bobbie J. Ramey, deceased
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Patent number: 4221873Abstract: A method for producing a phenol foam plastic, consisting in that polycondensation of phenols with formaldehyde is conducted with simultaneous foaming and curing in the presence of a foaming agent and an acid or alkaline catalyst. Used as the phenols are pyrocatechol, hydroquinone, resorcinol, 5-methyl resorcinol, shale alkyl resorcinols, shale total phenols, or various combinations of said phenols. The method is simple and permits obtaining a foam plastic with improved physico-mechanical properties.Type: GrantFiled: April 17, 1978Date of Patent: September 9, 1980Inventors: Leonid V. Volodko, Mikhail A. Ksenofontov, Ljudmila E. Ostrovskaya, Galina G. Dzivitskaya, Igor D. Goretsky, Vasily M. Khoruzhy, Nikolai M. Denisjuk, Anatoly Y. Volokh, Oleg N. Pogorelsky
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Patent number: 4216130Abstract: Bauxites are rendered compatible with polymer compositions employed in the carpet industry. Suitable bauxites, which can be employed as flame-retarding fillers, are characterized by a surface area of less than about 12 m.sup.2 /g, a pH in aqueous suspension of more than about 6.5 and a particle size distribution, wherein less than about 15% by weight of the particles have a size of less than 3 microns. Bauxites having a surface area in the range of about 12-20 m.sup.2 /g can also be rendered compatible by modifying their surfaces with a small but effective amount of modifier selected from inorganic phosphates, silicates, aliphatic and aromatic hydroxycarboxylic acids.Type: GrantFiled: November 13, 1978Date of Patent: August 5, 1980Assignee: Kaiser Aluminum & Chemical CorporationInventors: Ronald J. Rigge, Burton J. Beadle, William A. Belding
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Patent number: 4216295Abstract: This invention relates to an improved foamable resole resin composition comprising a resole resin, a blowing agent and a surfactant wherein said improvement comprises incorporating a particular resole resin catalyzed with alkaline earth metal hydroxides and neutralized with oxalic acid or its acid salts providing inert insoluble oxalate salts dispersed in said resole. Said salts are sized controlled and stabilized in an aqueous resole resin solution having about 60 to 99% resole resin by weight. Methods for preparing and foaming said compositions are disclosed.Type: GrantFiled: December 20, 1976Date of Patent: August 5, 1980Assignee: Monsanto CompanyInventor: Ronald H. Dahms
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Patent number: 4207400Abstract: This invention relates to an improved foamable resole resin composition comprising a resole resin, a blowing agent and a surfactant wherein said improvement comprises incorporation dispersed metal powders in said composition providing a foamable resole composition curable to a non-corrosive foam. Methods for preparing, foaming and curing said non-corrosive foams are disclosed.Type: GrantFiled: July 24, 1978Date of Patent: June 10, 1980Assignee: Monsanto CompanyInventor: Ronald H. Dahms
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Patent number: 4207401Abstract: This invention relates to an improved foamable resole resin composition comprising a resole resin, a blowing agent and a surfactant wherein said improvement comprises incorporation dispersed calcium oxide particles in said composition providing a foamable resole composition curable to a non-corrosive foam. Methods for preparing, foaming and curing said noncorrosive foams are disclosed.Type: GrantFiled: February 1, 1979Date of Patent: June 10, 1980Assignee: Monsanto CompanyInventor: Ronald H. Dahms
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Patent number: 4198487Abstract: The instant invention is directed to a process for the production of inorganic-organic synthetic materials having high strength, elasticity, dimensional stability under heat, and flame resistance, consisting of a polymer-polysilicic acid gel composite material in the form of a solid/solid xerosol, said process comprising mixing(a) an organic polyisocyanate,(b) an aqueous basic solution and/or an aqueous basic suspension having an inorganic solid content of from 20 to 80% by weight, preferably from 30 to 70% by weight,(c) an organic compound containing at least one isocyanate reactive hydrogen atom and at least one non-ionic-hydrophilic group and(d) optionally catalysts and other additivesand leaving the resulting mixture to react, characterized in that components (a) and (b), optionally with the addition of part or all of component (d) are first mixed together to form a stable primary dispersion and thereafter component (c), optionally with the addition of all or part of component (d), is added to form the fiType: GrantFiled: August 1, 1978Date of Patent: April 15, 1980Assignee: Bayer AktiengesellschaftInventors: Hans-Joachim Scholl, Dieter Dieterich, Peter Markusch, Rainer Welte
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Patent number: 4198486Abstract: The flameproof styrene polymer foam in accordance with this invention is obtained by melting a granular mixture of styrene polymer and aluminum hydroxide having a grain size of 20-100 .mu.m and a specific surface of below 1 m.sup.2 /g in an extruder, incorporating a physical expanding agent, and homogenizing and extruding the mixture.Type: GrantFiled: March 15, 1979Date of Patent: April 15, 1980Assignee: Hoechst AktiengesellschaftInventors: Wolfgang Mylich, Walter Albert
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Patent number: 4183822Abstract: The present invention relates to a process for expanding thermoplastic polymer compositions, notably those containing polymers having processing temperatures in excess of 200.degree. C. and/or containing an ingredient which is susceptible to ammonia, characterized in that as the blowing agent certain carbonates (notably zinc carbonate) are used. Preferably a nucleating agent and a weak acid are present to aid cell formation.The invention also includes expandable polymer compositions and blowing agent formulations containing the carbonates.Type: GrantFiled: January 18, 1978Date of Patent: January 15, 1980Assignee: Fisons LimitedInventors: Kenneth T. Collington, Rishi R. Puri, Peter J. Gibson
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Patent number: 4176218Abstract: A flexible, highly resilient, cold-cure, closed-mold polyurethane foam can be produced by reacting a foamable mixture comprising an organic polyisocyanate, water and a polyol. The foams of the invention are preferably prepared from a mixture of a hydroxyl-terminated graft copolymer and a hydroxyl-terminated polyoxyalkylene polyether in the presence of a co-catalyst mixture of at least one tertiary amine catalyst and at least one metal-containing basic catalyst. Said catalyst is selected from the group consisting of an alkali metal hydroxide, an alkaline earth metal hydroxide, an inorganic basic salt thereof derived from the reaction of said hydroxides with a weak inorganic acid, a metal organic basic salt catalyst derived from the reaction of at least one of said hydroxides with an organic acid and mixtures thereof. Useful metal organic catalysts are selected from the group consisting of the alkali and alkaline earth metal carboxylates, alkoxides and phenates.Type: GrantFiled: October 17, 1977Date of Patent: November 27, 1979Assignee: BASF Wyandotte CorporationInventors: John G. Demou, Edward R. Pray
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Patent number: 4170697Abstract: Silicon halides will react chemically with polyols to produce polyol silicate resinous products which will react chemically with polyisocyanates to produce polyisocyanate silicate solid or cellular solid products.Type: GrantFiled: June 23, 1978Date of Patent: October 9, 1979Inventor: David H. Blount
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Patent number: 4167613Abstract: In the foaming of a polymerizable medium (such as an unsaturated polyester resin) by using acid sensitive azo compounds, significant improvement in the foaming efficiency can be obtained by incorporating in the resin medium 0.001%-10% by weight based on the weight of the resin compounds which exert an inhibiting effect on free radical polymerization. Examples of such compounds include methacrylonitrile, alphamethylstyrene and laurylmercaptan.Type: GrantFiled: June 5, 1978Date of Patent: September 11, 1979Assignee: Pennwalt CorporationInventors: Ernest R. Kamens, Vasanth R. Kamath
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Patent number: 4167611Abstract: The method of production of chemically set compositions which show no shrinkage or which increase their volume during setting finding their application in building engineering, electrotechnical engineering and other fields of technology, consists in adding a special expanding system to a composition comprising synthetic resins or elastomers. Said system consists of an expanding agent, an expansion promoter, and if need be an expansion moderator, and sodium and/or potassium and/or magnesium fluosilicate. As the expanding agent substances are used having a porous structure and sorption properties, as for instance aluminosilicates, and as the expansion promoter substances are used having a polar structure and a critical diameter of the molecule smaller than that of the pores of the expanding agent, as for instance alcohols.Type: GrantFiled: March 15, 1977Date of Patent: September 11, 1979Assignee: Politechnika WarszawaskaInventors: Lech Czarnecki, Mariusz Lyczkowski, Marek Borowiak
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Patent number: 4166890Abstract: A process for the manufacture of cross-linked foamable moldings from olefin polymers, wherein the olefin polymer is mixed with(a) a solid organic blowing agent which eliminates gases when heated,(b) an organic peroxide,(c) conventional additives and(d) an activating organic compound which lowers the decomposition temperature of the peroxide,And the mixture is molded thermoplastically and is crosslinked below the decomposition temperature of the blowing agent but above the decomposition temperature of the activated peroxide.The organic activator is preferably a transition metal salt of a long-chain fatty acid.The moldings may be used for the manufacture of foams, for example for insulating purposes.Type: GrantFiled: March 13, 1978Date of Patent: September 4, 1979Assignee: BASF AktiengesellschaftInventors: Michael Fried, Ludwig Zuern, Erhard Stahnecker
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Patent number: 4164526Abstract: A molding composition is disclosed for forming in a single step a natural sandwich foam product having a cellular core and a thick, densified outer layer. A hard, particulate filler material such as fly ash is admixed with an unreacted, rigid polyurethane foam system, together with a density distribution control agent such as carbon tetrachloride which lowers the viscosity of the admixture. In molding, the mold cavity is charged with the admixture and the foam reaction is permitted to occur with the mold closed. The resultant, filled foam product has a thick outer layer formed adjacent the mold surface of substantially greater density than its core. In the densified layer, both the polyurethane and filler material components of the resultant product are concentrated to provide over three times the density of the core structure. Formulations are set forth which provide substantial layer thickness and an outer surface having a durometer hardness value of 50 or greater over the entire surface area.Type: GrantFiled: October 20, 1977Date of Patent: August 14, 1979Assignees: T. R. Baker, F. Walter McCarty, Jr., Norman E. Jacobs, Edward N. Ludwikoski, C. Alex McBurney, Lawrence F. Steffen, The Cooper Corporation, H & K Sales Company, Inc., Phoenix Royalty Associates, Inc., Edward L. ClayInventors: Edward L. Clay, Jerry L. Baker
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Patent number: 4150207Abstract: Urethane-modified carbodiimide-isocyanurate foams are prepared by catalytically condensing (a) an organic polyisocyanate with a polyol or (b) a quasi-prepolymer in the presence of a blowing agent and from 20 parts to 100 parts by weight of alumina trihydrate. The resulting foams are characterized by improved flame retardancy without loss in strength properties.Type: GrantFiled: June 13, 1977Date of Patent: April 17, 1979Assignee: BASF Wyandotte CorporationInventors: Moses Cenker, Thirumurti Narayan
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Patent number: 4125487Abstract: Polyurethane/vinyl polymer composites are prepared without the requirement of the application of an external source of heat by the admixture of a composition comprising(A) a polyether polyol having an equivalent weight of 30-2500, such as an adduct of glycerine with propylene oxide;(B) an organic polyisocyanate, such as toluene diisocyanate;(C) an ethylenically unsaturated monomer, such as styrene;(D) a catalyst for polymerizing ethylenically unsaturated monomers such as tertiary butyl perbenzoate; and(E) a catalyst for urethane formation such as cobalt naphthenate.Foams may also be prepared by adding an appropriate foaming agent.Type: GrantFiled: May 23, 1977Date of Patent: November 14, 1978Assignee: The Dow Chemical CompanyInventor: Franciszek Olstowski
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Patent number: 4123599Abstract: This invention relates to a process for the manufacture of foams based on phenolic resins, wherein phenolic resins are reacted, in the presence of metal powders and/or metal oxide powders, with organic diisocyanates and/or polyisocyanates.Type: GrantFiled: September 27, 1976Date of Patent: October 31, 1978Assignees: Chemie-Anlagenbau Bischofsheim GmbH, Reuter Technologie GmbH, MetallgesellschaftInventors: Karl-Heinz Hilterhaus, Franz G. Reuter
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Patent number: 4122049Abstract: The instant invention is directed to a process for the production of polyurethane foams wherein organic polyisocyanates are reacted with active hydrogen containing compounds, wherein either the polyisocyanate or the active hydrogen containing compound or both are used in the form of sedimenting, redispersible dispersions containing homogeneous i.e. non-foamed aminoplast /condensates as the dispersed phase.Type: GrantFiled: November 14, 1977Date of Patent: October 24, 1978Assignee: Bayer AktiengesellschaftInventor: Kuno Wagner
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Patent number: 4122047Abstract: Polyester foam is formed by simultaneously cross-linking an unsaturated polyester resin and generating carbon dioxide as a blowing agent. The foam-forming components are divided into two equal volume parts which are metered together to effect the simultaneous reactions and form the foam. Apparatus is described for effecting the foam-forming method.Type: GrantFiled: April 5, 1977Date of Patent: October 24, 1978Assignees: Isaac Meisels, Stanislaw F. Filip, Alexander MiutelInventors: Stanislaw Franz Filip, Alexander Miutel
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Patent number: 4119583Abstract: Foamed articles are made by causing the cross-linking of a thermosetting in, preferably a polyester resin, concurrently with the production of carbon dioxide by the reaction of a carbonate with an inorganic acid. The carbonate is mixed with the resin and the acid then folded in in a progressively accelerated blending operation, whereupon carbon dioxide is generated to foam the resin, the carbonate, acid and setting time of the resin being selected to obtain an appropriate match between the progress of the foaming operation and the setting of the foam. The foam may be made in a mold coated with resin impregnated glass fibers, the impregnating resin becoming cross-linked with the foam. The impregnating resin may also be cross-linked with a resin gel coat, the glass fibers forming a tough layer between the gel coat and the foam.Type: GrantFiled: January 31, 1977Date of Patent: October 10, 1978Assignee: KLF Inventions and Patent Development and Marketing Corporation Ltd.Inventors: Stanislaw Franz Filip, Alexander Miutel
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Patent number: 4111861Abstract: This invention relates to compositions and methods for forming polyether polyurethanes utilizing internal release additives for the purpose of facilitating mold release in the production of molded objects. The invention discloses four classes of internal release additives: (1) mixtures of aliphatic or aryl carboxylic acid and a polar metal compound; (2) carboxyalkylsiloxanes; (3) aliphatic glyoximes; and (4) aralkyl quaternary ammonium salts.Type: GrantFiled: September 24, 1976Date of Patent: September 5, 1978Assignee: Union Carbide CorporationInventor: Robert Everett Godlewski
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Patent number: 4110276Abstract: Resilient polyester foam materials. Acyl halide, polyol, and polyhydroxy cross-linking agent are reacted in the presence of alkali metal carbonate to prepare the resilient polyester foams. A process similar to that used in the one-shot preparation of polyurethane foams is used. Preferred reactants are adipyl chloride, quadrafunctional polyol based on pentaerythritol, propoxylated pentaerythritol cross-linking agent, and sodium carbonate. The resilient polyester foams find use in products such as catamenial tampons.Type: GrantFiled: October 19, 1977Date of Patent: August 29, 1978Assignee: The Procter & Gamble CompanyInventor: Thomas A. DesMarais
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Patent number: 4108804Abstract: A chromatography solid support is prepared by reacting a nucleic acid base, a related compound thereof or a mixture thereof with an epoxy group-containing porous gel in a solvent in the presence of a carbonate.Type: GrantFiled: November 29, 1976Date of Patent: August 22, 1978Inventors: Toru Seita, Akihiko Shimizu, Yoshio Kato, Tsutomu Hashimoto
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Imparting anlsotropy to foams by orienting added fibers whereby said fibers become parallely aligned
Patent number: 4102831Abstract: This invention relates to a method of imparting anisotropy to polymeric foams and to the resultant products. By this invention enhanced mechanical properties are produced in polymeric foams such properties being, for example, compressive yield strengths, modular tensile strengths, and the like. Importantly, other properties of enhanced value are achieved, as for example, improved thermal conductivity and enhanced burning rates.The process involved comprises mixing in liquid form various components of the foam which is to be produced in a foaming step which involves the action of the components in the presence of a foaming agent that effects the foam expansion, and mixed with these liquid mixtures is a low level concentration of relatively short fibers, one-half inch or less, the fibers being made from either an inorganic or organic material with fiber glass or aluminum fibers being preferred.Type: GrantFiled: October 12, 1976Date of Patent: July 25, 1978Inventor: Alan A. Osgood -
Patent number: 4101050Abstract: Thermoplastic polystyrene laminates are disclosed, one of the layers of which comprises a filled polystyrene composition containing from about 5 to about 50 of filler, such as calcium carbonate, clay, asbestos, etc. The filled polystyrene composition is prepared from a filled polystyrene masterbatch of impact polystyrene, filler, rubber and mineral oil, cut back by mixing with other polystyrene, either crystal or impact polystyrene. Laminates may be prepared by coextrusion. The filled polystyrene layer may be foamed. The laminates may be used for making formed articles such as cups, containers, trays, plates, sheets, etc.Type: GrantFiled: September 14, 1976Date of Patent: July 18, 1978Assignee: Polysar LimitedInventors: Ernest Jack Buckler, Michael Hugh Richmond
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Patent number: 4098733Abstract: Polyurethane and vinyl polymer composites are rapidly prepared without the requirement of the application of an external source of heat by the admixture of a composition comprising(A) a polyether polyol having an equivalent weight of 30-250, such as an adduct of glycerine with propylene oxide;(B) an organic polyisocyanate, such as toluene diisocyanate;(C) an ethylenically unsaturated monomer, such as styrene;(D) a catalyst for polymerizing ethylenically unsaturated monomers such as tertiary butyl perbenzoate; and(E) a catalyst for urethane formation such as lead octoate.Foams may also be prepared by adding an appropriate foaming agent.Type: GrantFiled: May 23, 1977Date of Patent: July 4, 1978Assignee: The Dow Chemical CompanyInventors: Franciszek Olstowski, Donald B. Parrish