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| Number | Title | Issue Date |
| 5977379 | Process for the preparation of flame-resistant halogenated imide compounds The invention relates to the preparation of halogenated imides derived from hydrazine, a halogen and a dicarboxylic acid anhydride and capable of being employed as fireproofing agents for plastics. A dicarboxylic acid anhydride is halogenated with bromine, chl... | 11/02/1999 |
| 5883195 | Thermoplastic polyamide/-polyetheramide/elastomer alloys having improved mechanical properties Novel thermoplastic polymer alloys adopted for easy conversion, e.g., by injection molding or extrusion techniques, into useful shaped articles having improved mechanical properties, for example, high impact strengths, include a polyamide, e.g., nylon 6 o... | 03/16/1999 |
| 5817588 | Ceramic preforms comprising monocrystalline hexagonal platelets of alpha-alumina Ceramic preforms comprising monocrystalline hexagonal platelets of -alumina, well adopted for conversion into refractory bricks or ceramic composites, are prepared by crystallizing a settled fine powder of amorphous alumina, transition alumina or a... | 10/06/1998 |
| 5747090 | Undecylenate deodorants for animal feeds Otherwise malodorous animal feeds are deodorized by treating same with an effective foodstuff deodorizing amount of polyoxyalkylene ester of undecylenic acid.... | 05/05/1998 |
| 5705720 | Continuous process for cracking 1,2-dichloroethane A thermal process for cracking 1,2-dichloroethane to form vinyl chloride comprising heating 1,2-dichloroethane in a reaction zone at a temperature between 300° and 650° C. under an absolute pressure between 1 and 40 bars; said heating being conducted in... | 01/06/1998 |
| 5668231 | Heat-resistant maleimido polymers/block copolymers Novel N-substituted maleimide homopolymers having a number-average molecular weight ranging from 12,000 to about 100,000 are prepared by anionically polymerizing an N-substituted maleimide monomer, in solvent phase, in the presence of at least one organom... | 09/16/1997 |
| 5650226 | Metal substrate coated with polyamide-based coating powders Pulverulent coating compositions exhibiting excellent adhesion to metal substrates are formulated from a polyamide, e.g., nylon 6, nylon 11, nylon 12, or copolyamide thereof, and minor amounts of at least one phenolic polycondensate and/or at least one po... | 07/22/1997 |
| 5616418 | Thermoplastic elastomer polyblends comprising polyamides/modified polyolefins and shaped articles produced therefrom Polyblend compositions well adopted for the production of a wide variety of useful shaped articles having improved physical/chemical properties, e.g., fibers, films, sheets, composites, and the like, comprise (a) at least one polyamide thermoplastic elast... | 04/01/1997 |
| 5612267 | Ceramic preforms comprising monocrystalline hexagonal platelets of - a Ceramic preforms comprising monocrystalline hexagonal platelets of -alumina, well adopted for conversion into refractory bricks or ceramic composites, are prepared by crystallizing a settled fine powder of amorphous alumina, transition alumina or a... | 03/18/1997 |
| 5601755 | Dielectrics comprising methyl/benzyl derivatives of diphenylmethane Novel dielectric liquids for such electrical components as transformers, capacitors and cables, especially adopted for low temperature applications, comprise immixtures of benzyltoluene, (methylbenzyl)toluene, benzylxylene and (methylbenzyl)xylene, and op... | 02/11/1997 |
| 5591816 | Heat-resistant maleimido polymers/block copolymers Novel N-substituted maleimide homopolymers having a number-average molecular weight ranging from 12,000 to about 100,000 are prepared by anionically polymerizing an N-substituted maleimide monomer, in solvent phase, in the presence of at least one organom... | 01/07/1997 |
| 5578689 | Polymeric composition obtained by suspended emulsion polymerization Vinyl polymers, e.g., the homo- and copolyvinyl chlorides, are prepared in one or more stages, to a degree of conversion of at least 50%, by suspended emulsion polymerizing at least one vinyl monomer, e.g., vinyl chloride, said at least one monomer having... | 11/26/1996 |
| 5545355 | Dielectric compositions comprising benzyltoluene/(Methylbenzyl) xylene isomers Novel dielectric liquids for such electrical components as transformers, capacitors and cables, especially adopted for low temperature applications, comprise a mixture of benzyltoluene and (methylbenzyl)xylene isomers, notably a mixture of benzyltoluene/d... | 08/13/1996 |
| 5539053 | High impact strength methyl methacrylate/polyurethane cast sheet materials High impact strength cast sheet materials having an unnotched Charpy impact strength of at least 60 kJ/m2 comprise an interpenetrating network of a major amount of a reticulated methyl methacrylate polymer and from 3% to 8% by weight of an elas... | 07/23/1996 |
| 5527515 | Production of concentrated aqueous solutions of ferric chloride 35% to 45% by weight concentrated aqueous solutions of ferric chloride, directly useful as flocculating agents in a variety of water treatments, are prepared by (a) reacting chlorine with an aqueous solution of ferrous chloride, in the presence of a recyc... | 06/18/1996 |
| 5496876 | Thermoplastic polyetheramide/styrene copolymer compositions Improved thermoplastic compositions adopted for easy conversion, e.g., by injection molding or extrusion techniques, into useful shaped articles having high flexibility, and good tear resistance and elasticity, include a polyetheramide, advantageously a p... | 03/05/1996 |
| 5489478 | Hot water/superheated stem-resistant EVOH barrier films Hot water and superheated steam resistant barrier films, well adopted as packaging materials, e.g., for perishable comestibles, notably foodstuffs, at least in part include at least one layer of a polymer alloy comprising (a) at least one ethylene-vinyl a... | 02/06/1996 |
| 5455017 | Production of concentrated aqueous solutions of ferric chloride 35% to 45% by weight concentrated aqueous solutions of ferric chloride, directly useful as flocculating agents in a variety of water treatments, are prepared by (a) reacting chlorine with an aqueous solution of ferrous chloride, in the presence of a recyc... | 10/03/1995 |
| 5449436 | Bleaching of deinked paper/wood pulp Deinked paper/wood pulps are improvedly bleached to high levels of whiteness by conjointly treating such pulps with a sulfite bleaching agent, e.g., Na2 SO3, NaHSO3 or mixture thereof, or SO2 and NaOH, and a red... | 09/12/1995 |
| 5439975 | Thermoplastic polyetheramide/styrene copolymer composition Improved thermoplastic compositions adopted for easy conversion, e.g., by injection molding or extrusion techniques, into useful shaped articles having high flexibility, and good tear resistance and elasticity, include a polyetheramide, advantageously a p... | 08/08/1995 |
| 5436378 | Drying of hydrocarbon/hydrochloric acid/water admixtures Water-containing mixtures of at least one hydrocarbon/halocarbon and hydrochloric acid, e.g., the methyl chloride feedstream in conventional process for the synthesis of chloromethanes, are desiccated by intimately contacting such mixtures with an effecti... | 07/25/1995 |
| 5422091 | Production of concentrated aqueous solutions of ferric chloride Concentrated aqueous solutions of ferric chloride, directly useful as flocculating agents in a variety of water treatments, are prepared by (a) digesting iron with a dilute aqueous solution of hydrochloric acid until such acid has essentially been consume... | 06/06/1995 |
| 5418046 | Composite articles having multicolored coatings Aesthetically pleasing multicolored composite articles comprise a support substrate, e.g., a metal or alloy thereof, coated with a multicolored face surface coating composition including at least one crosslinked hydroxylated polymer, such at least one cro... | 05/23/1995 |
| 5393832 | EVOH/polypropylene gas-impermeable polymer alloys Polymer alloys that can facilely be shaped into gas barrier, crack-resistant packaging materials, e.g., by thermoforming, include an ethylene-vinyl alcohol copolymer matrix, a polypropylene disperse phase and a phase-compatibilizing amount of an -m... | 02/28/1995 |
| 5393508 | Vaporization of solutions of hydrazine hydrate Solutions of hydrazine hydrate are vaporized, without any concomitant decomposition thereof, by heating such solutions, in the liquid phase, under conditions as to effect the decompression or volatilization thereof; this process is particularly applicable... | 02/28/1995 |
| 5387653 | Thermoplastic polyamide/polyetheresteramide powders for the direct coating of metal substrates Thermoplastic powders well adapted for the direct adherent coating of metal substrates, i.e., without requiring an intermediate adherence primer layer, are based on a polyamide and/or a polyetheresteramide, and contain an effective amount of a polycondens... | 02/07/1995 |
| 5352827 | Synthesis of acyl cyanides in a hydrous reaction medium The acyl cyanides (nitriles) are prepared by reacting an acid halide with an alkali metal cyanide, in the presence of an alkylene oxide compound and a catalytically effective amount of water.... | 10/04/1994 |
| 5352826 | Synthesis of acyl cyanides in an anhydrous reaction medium The acyl cyanides (nitriles), notably benzoyl cyanide, are prepared by reacting an acid halide with an alkali metal cyanide, in an anhydrous solvent medium, in the presence of an alkylene oxide compound and a polar compound other than water, e.g., glycero... | 10/04/1994 |
| 5342886 | -monoolefinic graft copolymers Novel graft copolymers, well adopted for compatibilizing at least two normally incompatible thermoplastic polymers, include the copolymerizates of at least one monoamino-substituted polyamide oligomer and an -monoolefin polymer or copolymer having ... | 08/30/1994 |
| 5338511 | Undecylenate deodorants for sewage sludges Malodorous sewage sludges are deodorized by treating same with an effective deodorizing amount of at least one alkyl or polyoxyalkylene ester of undecylenic acid.... | 08/16/1994 |
| 5334360 | Apparatus for continuous production of tetraphosphorus polysulfides The tetraphosphorus polysulfides of the formula P4 Sx, wherein X is at least 3, especially tetraphosphorus decasulfide, P4 S10, are prepared by (a) establishing a continuously circulating closed loop of a liquid... | 08/02/1994 |
| 5324778 | Process for preparing novel moisture-curable hot-melt adhesive compositions Novel crosslinkable hot-melt adhesive compositions, curable by atmospheric moisture, include (i) the prepolymerizate of an hydroxylated ethylene/vinyl acetate copolymer with a stoichiometric excess of a polyisocyanate, e.g., a diisocyanate, such prepolyme... | 06/28/1994 |
| 5315031 | Oligomers with polydiene sequences and photocrosslinkable grafts and their application particularly in coating metals Oligomers with polydiene sequences and crosslinkable grafts are useful as coatings for protecting metal surfaces as well as inking buffers. The oligomers contain a polydiene sequence of 1-100 diene links, from 1 to 20 polar functional groups, and from 1-2... | 05/24/1994 |
| 5308527 | Aprotic polar solvent/ether paint stripping compositions Inexpensive paint stripper compositions, containing neither chlorinated, aromatic nor alkaline solvents and well adopted for removing glycerophthalic, alkyd-urethane, acrylic-polyurethane and epoxy paints from a variety of substrates, e.g., wood and metal... | 05/03/1994 |
| 5298582 | Extrudable/coatable ethylene (co)polymers Improvedly extrudable/coatable ethylene (co)polymers, well adopted for the production of film-coated metal composites, are prepared by radical polymerizing ethylene or recipe thereof including at least one ester of an unsaturated carboxylic acid, e.g., (m... | 03/29/1994 |
| 5298118 | Preparation of bleached chemithermomechanical pulp Bleached chemithermomechanical wood pulp having a high degree of whiteness is economically prepared by mechanically disintegrating and chemically digesting lignocellulosic material with sulfite at a temperature of at least 100°C. under saturated water va... | 03/29/1994 |
| 5296575 | Monodisperse particle latices of vinyl chloride polymers Improved monodisperse spheroidal particle latices of vinyl chloride polymers, e.g., having particle sizes ranging from 0.17 to 0.8 μm or from 0.5 to 1.2 μm, are produced by aqueous emulsion polymerization of vinyl chloride monomer, whether in a single s... | 03/22/1994 |
| 5296085 | Macrocrystalline -alumina hexagonal platelets Macrocrystalline -alumina hexagonal platelets, well adapted as reinforcing materials and polishing agents, are prepared by calcining admixture of transition or hydrated alumina and a fluorocompound flux, such fluorocompound flux having a melting po... | 03/22/1994 |
| 5296100 | H2 O2 /alkaline bleaching of wood pulps High-yield lignocellulosic wood pulps are bleached by (i) first pretreating such pulp with a complexing agent for metal ions and next washing the pretreated pulp, and then (ii) bleaching such pretreated/washed pulp with an initial amount of hydrogen perox... | 03/22/1994 |
| 5294674 | Heat-resistant maleimido polymers/block copolymers Novel N-substituted maleimide homopolymers having a number-average molecular weight ranging from 12,000 to about 100,000 are prepared by anionically polymerizing an N-substituted maleimide monomer, in solvent phase, in the presence of at least one organom... | 03/15/1994 |
