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| Number | Title | Issue Date |
| 5041490 | Method for producing red phosphorus flame retardant and nonflammable resinous composition Red phosphorus flame retardants for synthetic resin are produced by a method comprising the steps of heating yellow phosphorus at temperatures of 250° to 600° C. to effect a partial conversion of yellow phosphorus to red phosphorus; removing unconverted... | 08/20/1991 |
| 5026757 | Red phosphorus flame retardant and nonflammable resinous composition containing the same A flame retardant comprising of spherical red phosphorus free of pulverized face which is directly produced in the form of fine powder by conversion of yellow phosphorus, without pulverizing process. The red phosphorus characterized by its surface state a... | 06/25/1991 |
| 5021496 | Filled polyketone blend Filler polymer compositions comprising a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon and lesser amounts, on a volume basis, of a hydroxyapatite filler.... | 06/04/1991 |
| 5017627 | Composite material for use in orthopaedics A composite of a homo- or co-polyolefin having an average molecular weight greater than 100,000 with from 30 to 50% by volume of a particulate inorganic solid for use in endoprosthesis.... | 05/21/1991 |
| 5015680 | Production of a thermoplastically processable, aromatic polyamide using a 4-phenoxypyridine stabilizer An aromatic polyamide, e.g., from isophthalic acid and 4,4'-bis(4-aminophenoxy)diphenylsulfone, is produced with a sufficient amount, e.g., 0.05-4 mol%, of 4-phenoxypyridine to improve resistance to thermal oxidation.... | 05/14/1991 |
| 5011878 | Copolyesters from 4,4'-biphenyldicarboxylic acid, 1,4-cyclohexanedimethanol, and 1,4-butanediol Disclosed are copolyesters comprising an acid component of 4,4'-biphenyldicarboxylic acid and a glycol component comprising 1,4-cyclohexanedimethanol and 1,4-butanediol. The copolyesters exhibit unusually high tensile strengths.... | 04/30/1991 |
| 5011877 | Copolyesters from 4,4'-biphenyldicarboxylic acid, 1,4-cyclohexanedimethanol and 1,6-hexanediol Disclosed are copolyesters comprising an acid component of 4,4'-biphenyldicarboxylic acid and a glycol component comprising 1,4-cyclohexanedimethanol and 1,6-hexanediol. The copolyesters exhibit unusually high tensile strengths.... | 04/30/1991 |
| 4981897 | Aromatic polyester film containing orthophosphate powder An aromatic polyester film containing about 0.05 to 0.5% by weight, based on the weight of aromatic polyester resin, of a Group ITA alkaline earth metal orthophosphate powder composed mainly of particles having a particle diameter of about 1 to 10 μm.... | 01/01/1991 |
| 4981898 | Polycarbonate-polyester blends A composition comprising a blend of a polyester resin and a polycarbonate resin are provided with a transesterification reaction hindering amount of a metaphosphate fiber.... | 01/01/1991 |
| 4980451 | Catalytic production of aromatic polyamides from high purity monomers Aromatic polyamides having an improved resistance against thermal oxidation, are produced by utilizing monomers having a very high degree of purity, at least 99.90% by weight, preferably, at least 99.94%.... | 12/25/1990 |
| 4978705 | Silicone rubber containing alkali metal salts of phosphoric acid and phosphorous acid and compositions therefor Silicone rubber compositions prepared from polydiorganosiloxane and small amounts of alkali metal hydrogen phosphates or alkali metal hydrogen phosphites improve the properties of the silicone rubber, such as compression set and flame retardancy.... | 12/18/1990 |
| 4965297 | Resin composition and method for its preparation A resin composition comprising polyphenylene sulfide and hypophosphorous acid or its salt.... | 10/23/1990 |
| 4965304 | Extrudable polymeric compositions The present invention concerns a polymeric composition formed from a vinylidene chloride interpolymer; an olefinic wax and oil and, in one embodiment, a salt of an acid; and in another embodiment, a polyolefin containing up to a minor amount of oxygen, sa... | 10/23/1990 |
| 4954545 | Process for cleaning polymer processing equipment The present invention pertains to a process for cleaning polymeric processing equipment. The process comprises purging the polymer processing equipment with a composition comprising a polymer, a mild abrasive and a sulfonated surfactant.... | 09/04/1990 |
| 4950423 | Coating of EMI shielding and method therefor An aqueous based electrically conductive paint having substantially enhanced electrical properties employing a nickel pigment and a surfactant having substantial unsaturation characteristics. Paint is held at 50° C. or greater for at least one hour requi... | 08/21/1990 |
| 4939237 | Preparation of high viscosity nylon with P catalyst composition A process for producing a polyamide with a relative viscosity of at least 100 is disclosed. The process comprises adding a catalyst selected from the group consisting of ortho-phosphoric acid, meta-phosphoric acid, alkali-metal hypophosphite and phenylpho... | 07/03/1990 |
| 4920167 | Antistatic polyurethane-urea dispersions Disclosed is dispersion of a polyurethane-urea polymer in a continuous phase. This dispersion contains about 0.1 to about 5 parts by weight of an ionizable, non-volatile salt per 100 parts by weight of polyurethane-urea polymer. Polyurethane-urea coatings... | 04/24/1990 |
| 4906718 | Acrylate functional organosiloxane/oxyalkylene copolymers and electrically conductive compositions containing same and a solubilized lithium salt This invention provides novel liquid organosiloxane/graftoxyalkylene copolymers that cure to yield solid materials wherein at least a portion of the pendant oxyalkylene units are terminated with an acrylate group. The copolymers can be cured by heating th... | 03/06/1990 |
| 4887795 | Open-celled, electrically conductive ceramic network Electrically semi-conducting and conducting open celled ceramic networks and methods for producing them are disclosed. The ceramic network is formed by impregnating an organic foam material with a semi-conducting or conducting ceramic composition, and fir... | 12/19/1989 |
| 4885324 | Combination primer/topcoat coating A coating for metallic or polymeric composite substrates is disclosed which erforms both as a primer and as a topcoat. It comprises a two component aliphatic polyurethane binder, with titanium dioxide, zinc molybdate, zinc phosphate, an organo-zinc salt, a... | 12/05/1989 |
| 4880864 | Thermoplastic polycarbonates and blends with enhanced flame retardant properties It has now been found that the flame retardance of polydiorganosiloxane copolycarbonates may be significantly improved upon the addition thereto of a small amount of a metal salt of an inorganic acid. The polydiorganosiloxane copolycarbonates are conformi... | 11/14/1989 |
| 4877823 | Fireproofed thermoplastic molding materials containing red phosphorus and based on polyesters or polyamides Fireproofed thermoplastic molding materials which contain red phosphorus as a flame-proofing agent are obtainable by mixing (A) from 5 to 95% by weight of a polyamide or of a polyester or of a mixture of these, (B) from 5 to 95% by weight of an elastomer dispe... | 10/31/1989 |
| 4859365 | Flame retardant and smoke suppressant composition A flame retardant and smoke suppressant composition which, when admixed with a catalytic amount of a catalyst, such as methyl ethyl ketone peroxide, is curable on a substrate at ambient temperature. The composition comprises: (a) from about 20 to about 60... | 08/22/1989 |
| 4826631 | Coating for EMI shielding and method for making An aqueous based electrically conductive paint having substantially enhanced settling properties employing a nickel pigment and a surfactant having substantial unsaturation characteristics. Paint is held at 50° F. or greater for at least one hour require... | 05/02/1989 |
| 4808673 | Dielectric inks for multilayer copper circuits An improved dielectric ink for the fabrication of multilayer, integrated circuits is disclosed. The subject inks comprise a devitrifying zinc-magnesium-barium-aluminum-zirconium-phosphosilicate glass frit, a devitrifying zinc-magnesium-barium-aluminum-sil... | 02/28/1989 |
| 4806579 | Polymer composites A polymer matrix has grown therein in vitro and in situ non-centrosymmetric crystals of organic or inorganic compounds. The crystals are preferably orientated and may be used in electro-optical systems.... | 02/21/1989 |
| 4797442 | Melt processable CPVC blends and alloys thereof Chlorinated polyvinyl chloride (CPVC) polymer alloys generally contain relatively large amounts of a flow enhancing polymer such as alpha-methyl styrene and a compatibilizing agent such as styrene acrylonitrile copolymer. The alloys are made from blends h... | 01/10/1989 |
| 4789693 | Heat curable foundry mixes and binder compositions This invention relates to heat curable foundry mixes and binder compositions particularly suitable for making foundry shapes by a hot box process. The binders used are aqueous basic solutions of phenolic resole resins. Salts are added to the binders or th... | 12/06/1988 |
| 4785031 | Stabilized and carried red phosphorus as flame-retardant agent for polymers Stabilized and carried red phosphorus as anti-flame agent for polymers, having its individual particles encapsulated into a synthetic resin, said particles being moreover aggregated to one another to form a plurality of pellets, each one of said pellets b... | 11/15/1988 |
| 4774270 | Coating for EMI shielding An aqueous based electrically conductive paint having substantially enhanced settling properties employing a nickel flake pigment and a surfactant having substantial unsaturation characteristics. Paint finds particular application in providing EMI and RFI... | 09/27/1988 |
| 4748167 | Water-based coating compositions comprising epoxy-containing acrylic polymers an polyfunctional water-soluble amines Disclosed herein are ambient temperature-curable compositions of improved pot life comprising epoxy-containing vinyl polymers and oxygen-containing amines. Coating compositions comprising the same cure at ambient temperature to produce films of excellent ... | 05/31/1988 |
| 4740537 | Phosphorus based flame retardant composition for reaction injection molded polydicyclopentadiene Disclosed is a composition that is polymerizable by contacting it with an olefin metathesis catalyst comprising dicyclopentadiene, red phosphorus, and a brominated aromatic compound selected from the group consisting of decabromodiphenyl oxide, N,N'-ethyl... | 04/26/1988 |
| 4730016 | Polyolefin-base resin composition containing a volatile rust preventive amine salt used for metal-product wrapping material Disclosed herein is a resin composition obtained by mixing an olefin-base resin, which has in turn been obtained by partially neutralizing a free carboxyl group in a random copolymer of an -olefin and an ,ଲ-ethylenically-unsaturated mo... | 03/08/1988 |
| 4725457 | Resinous compositions and their formulation into intumescent fire protective compositions A resinous composition is composed of the ungelled reaction product of (i) a diester of oxalic acid; (ii) a material containing one or more primary and/or secondary amino groups and one or more additional functional groups; and (iii) a material capable of coreactin... | 02/16/1988 |
| 4715989 | Coating for EMI shielding An aqueous based electrically conductive paint having substantially enhanced settling properties employing a nickel flake pigment and a surfactant having substantial unsaturation characteristics. Paint finds particular application in providing EMI and RFI... | 12/29/1987 |
| 4710533 | Melt processable CPVC blends Chlorinated polyvinyl chloride (CPVC) polymer alloys generally contain relatively large amounts of a flow enhancing polymer such as alpha-methyl styrene and a compatibilizing agent such as styrene acrylonitrile copolymer. The alloys are made from blends h... | 12/01/1987 |
| 4701518 | Antimicrobial nylon prepared in water with zinc compound and phosphorus compound Antimicrobial activity is imparted to nylon during its preparation by adding to the nylon-forming monomer(s), a zinc compound (e.g. zinc ammonium carbonate) and a phosphorus compound (e.g. benzene phosphinic acid). The compounds are added in amounts suffi... | 10/20/1987 |
| 4698215 | Stabilized red phosphorus for use as flame-retardant, in particular for compositions on the basis of polymers Stabilized powder of red phosphorus, for use as flame-retardant agent, in particular for compositions on the basis of polymers, constituted by particles of red phosphorus enveloped by a thin capsule constituted by a first layer of Al(OH)3 adher... | 10/06/1987 |
| 4687802 | Glass fiber reinforced polyester molding compositions containing metal salts Metal salts are disclosed as effective to reduce Arc Track Rate in poly(1,4-butylene terephthalate) resin molding compositions.... | 08/18/1987 |
| 4680324 | Fire-retardant plastics with glycoside additive The fire retardant characteristics of a melt producable plastic is enhanced by mixing with the plastic a fire retardant compound and a glycoside.... | 07/14/1987 |
