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| Number | Title | Issue Date |
| 4668745 | Reaction products of sulfur dioxide and epoxy-containing materials Novel compositions are prepared by reacting sulfur dioxide with the reaction product of a material having an average of more than one 1,2-epoxide group per molecule such as a diglycidyl ether of bisphenol A with a monoethylenically unsaturated monocarboxy... | 05/26/1987 |
| 4662228 | Automated interfacial testing system For use in inspecting composite materials made of fibers in a supportive polymer matrix, a test instrument and method are set forth. The apparatus uses an optical microscope to provide a view of a cut specimen having small fibers therein. The optical axis... | 05/05/1987 |
| 4654414 | Thermosettable polymer or prepolymer prepared from heterocyclic material having alkyl substituent, mono- or dianhydride, ethylenically unsaturated material and a hydroxide, carbonate or bicarbonate of a metal of groups I-A or II-A Thermosettable prepolymers or polymers are prepared by reacting (A) the reaction product of (1) a heterocyclic material having one or more rings, at least one nitrogen atom and at least two substituent groups which have at least one reactive hydrogen atom... | 03/31/1987 |
| 4654273 | Electromagnetic shielded body An electromagnetic shielded body comprising laminating or adhering to the surface of the body or incorporating as an internal lamina of a multiple laminar body a layer of film or powder of an electroconductive material which consists of a dehydrohalogenat... | 03/31/1987 |
| 4649188 | Method for reducing 2-functional components in novolac resins and epoxy novolac resins prepared therefrom The 2-functional content of phenol-aldehyde novolac resins is reduced by water extraction. Epoxy novolac resins prepared from the novolac resin containing less 2-functional product exhibit increased Tg values when cured.... | 03/10/1987 |
| 4634506 | Process for preparing olefin oxides An olefin oxide is produced from an olefin in an electrolytic cell by mixing an aqueous electrolyte and liquid olefin under pressure, flowing the liquid mixture through a restricting device into the electrolytic bath of the cell to reduce the pressure of ... | 01/06/1987 |
| 4629770 | Thermosettable polystyrylpyrazine polymers terminated with ethylenically unsaturated groups and cured products therefrom Thermosettable prepolymers or resins are prepared by reacting (1) a pyrazine compound containing at least two substituent groups which have a hydrogen atom attached to a carbon atom which is attached to the ring such as tetramethylpyrazine, (2) a material... | 12/16/1986 |
| 4629764 | Polymer modified polyphenol compositions and thermosettable resins thereof A composition comprising (A) a polyphenol such as bisphenol A, (B) a polymer resulting from polymerizing (1) an alkenyl phenol such as p-isopropenylphenol and (2) a polymerizable ethylenically unsaturated monomer such as 2-ethylhexyl acrylate can be conve... | 12/16/1986 |
| 4629763 | Polymer modified polyphenol compositions and thermosettable resins thereof A composition comprising (A) a polyphenol such as bisphenol A, (B) a polymer resulting from polymerizing (1) an alkenyl phenol such as p-isopropenylphenol and (2) a polymerizable ethylenically unsaturated monomer such as 2-ethylhexyl acrylate can be conve... | 12/16/1986 |
| 4629762 | Polymer modified polyphenol compositions and thermosettable resins thereof A composition comprising (A) a polyphenol such as bisphenol A, (B) a polymer resulting from polymerizing (1) an alkenyl phenol such as p-isopropenylphenol and (2) a polymerizable ethylenically unsaturated monomer such as 2-ethylhexyl acrylate can be conve... | 12/16/1986 |
| 4624975 | Process for stabilizing the hydrolyzable chloride content in epoxy resins The hydrolyzable halide content of glycidyl ethers prepared by dehydrohalogenating a halohydrin ether intermediate product in the presence of an organic solvent, washing the resultant product with water and distilling the solvent from the organic phase fr... | 11/25/1986 |
| 4623707 | Polymerization of olefins in the presence of polymer supported Ziegler-Natta catalysts -Olefins are polymerized in the presence of Ziegler-Natta catalysts which are polymer supported compounds or complexes of elements of the d-block transition metals, lanthanide or actinide series. An example of the polymer support is chloromethylate... | 11/18/1986 |
| 4623701 | Multifunctional epoxy resins Multifunctional epoxy resins are prepared by reacting (1) a polyglycidyl ether of a polyhydroxyl-containing material said glycidyl ether having an average of at least 0.05 aliphatic hydroxyl group per molecule and an average of more than one glycidyl ethe... | 11/18/1986 |
| 4622309 | Novel titanium complexes and catalysts prepared therefrom Novel titanium compounds or complexes are prepared by reacting a titanium compound such as titanium tetraisopropoxide with a compound containing at least one aliphatic hydroxyl group. These compounds and/or complexes are useful as the transition metal com... | 11/11/1986 |
| 4618658 | Polymer modified epoxy resin compositions Polymer modified epoxy resin compositions are disclosed which comprise (A) an epoxy resin wherein a portion of the epoxide groups have been reacted to provide groups containing polymerizable ethylenic unsaturation; (B) at least one vinyl terminated uretha... | 10/21/1986 |
| 4618526 | Curable compositions containing multiglycidyl ethers and a sulfonic acid amide Curable compositions are disclosed which comprise a multiglycidyl ether such as the triglycidylether of tris(hydroxyphenyl)methane and an amine substituted sulfonic acid amide such as sulfanilamide. These compositions can be cured by heating in the presen... | 10/21/1986 |
| 4614788 | Thermosettable epoxy resin composition Disclosed are thermosettable compositions comprising (A) an epoxy resin such as the diglycidyl ether of bisphenol A; (B) boron trifluoride complexed with a primary, secondary or tertiary amine such as monoethanolamine and (C) at least one cyclic or acycli... | 09/30/1986 |
| 4613663 | Thermoplastic and thermosettable products prepared by reacting nitrogen-containing heterocyclic compounds with aromatic aldehydes Thermoplastic or thermosettable products are prepared by reacting a heterocyclic compound containing at least one nitrogen atom and at least two pendant groups containing a reactive hydrogen atom attached to a carbon atom which is attached to the aromatic... | 09/23/1986 |
| 4612359 | Esterified polycyanate compositions and thermoset resins thereof Thermosettable compositions are prepared which contain (A) from about 0.1 to 100 percent by weight of an esterified aromatic cyanate; (B) from zero to about 99.9 percent by weight of an aromatic polycyanate, an aromatic polycyanamide or mixture thereof an... | 09/16/1986 |
| 4612156 | Solventless process for producing resinous materials Resinous materials are produced in the substantial absence of a solvent by feeding to an extruder operated at a temperature sufficient to cause a reaction between the reactants (A) at least one material having an average of more than one vicinal epoxy gro... | 09/16/1986 |
| 4611022 | Polymer modified polyphenol compositions and thermosettable resins thereof A composition comprising (A) a polyphenol such as bisphenol A, (B) a polymer resulting from polymerizing (1) an alkenyl phenol such as p-isopropenylphenol and (2) a polymerizable ethylenically unsaturated monomer such as 2-ethylhexyl acrylate can be conve... | 09/09/1986 |
| 4608313 | Advanced epoxy resins crosslinked with polyisocyanates Coatings are prepared from epoxy resin compositions prepared by reacting an epoxy resin composition containing an aliphatic diepoxide with a dihydric phenol. These coatings are useful as anti-chip coatings for automobiles and as coil coatings.... | 08/26/1986 |
| 4605715 | Process for polymerizing olefins in the presence of a catalyst prepared from organomagnesium compound, epihalohydrin reducing halide source and transition metal compound Olefins are polymerized in the presence of, as a catalyst therefor, the catalytic reaction product resulting from heating a mixture of (A) at least one hydrocarbon soluble organomagnesium material; (B) at least one epihalohydrin; (C) at least one reducing halide so... | 08/12/1986 |
| 4604374 | Catalyst prepared from organomagnesium compound, epihalohydrin reducing halide source and transition metal compound A catalyst for polymerizing olefins is the product resulting from heating in an inert hydrocarbon diluent a mixture of (A) an organomagnesium material, (B) an epihalohydrin, (C) a reducing halide source and (D) a transition metal compound.... | 08/05/1986 |
| 4604317 | Curable compositions containing a polyepoxide and a halogenated bisphenol Curable compositions are disclosed which comprise a polyglycidyl ether such as the triglycidylether of tris(hydroxyphenyl)methane and a halogenated dihydric phenol such as tetrabromobisphenol A. These compositions can be cured by heating in the presence o... | 08/05/1986 |
| 4602070 | Thermosettable epoxy resins with improved impact resistance An advanced epoxy resin is prepared by reacting in the presence of a suitable catalyst such as ethyltriphenyl phosphonium acetate.acetic acid complex (A) a mixture containing (1) a polyglycidyl ether of a material containing at least two aliphatic hydroxy... | 07/22/1986 |
| 4601994 | Method for preparing supported TiIII catalysts Supported TiIII catalysts are prepared by contacting a slurry of a solid inorganic support such as magnesium chloride in a hydrocarbon medium such as Isopar.RTM. E containing a tetravalent titanium compound containing at least two halogen atoms... | 07/22/1986 |
| 4600760 | Thermosettable resin composition containing alkenyl phenyl cyanate Thermosettable compositions comprising an alkenyl phenyl cyanate and at least one of an aromatic polycyanate, a polymaleimide or a polymerizable ethylenically unsaturated aromatic monomer are disclosed.... | 07/15/1986 |
| 4596861 | Advanced epoxy resin for can coating applications Advanced epoxy resins are prepared from a liquid diglycidyl ether of bisphenol A and bisphenol A which advanced epoxy resins have an equivalent weight in the range of 3,000 to 3,900 and a weight average molecualr weight of 13,000 to 17,000. When these adv... | 06/24/1986 |
| 4594398 | Vinyl ester resins from glycidyl ethers of reaction product of a phenol and unsaturated hydrocarbons Vinyl ester resins are prepared by reacting a polymerizable unsaturated carboxylic acid-containing compound with an epoxy resin prepared by dehydrohalogenating the reaction product of an epihalohydrin with the reaction product of an aromatic hydroxyl-cont... | 06/10/1986 |
| 4594291 | Curable, partially advanced epoxy resins Relatively high molecular weight epoxy resins cured with conventional curing agents are disclosed wherein the relatively high molecular weight epoxy resin is prepared in the presence of the curing agents. The resultant cured epoxy resin has an improvement... | 06/10/1986 |
| 4587293 | Reactive flexibilizing monomer and thermosettable compositions containing same A composition is described which thermosets when admixed with a free radical generating catalyst which composition comprises (A) an unsaturated polyester resin or vinyl ester resin, (B) a reactive monomer prepared by reacting (1) an aromatic material cont... | 05/06/1986 |
| 4585838 | Process for preparing epoxy resins containing low levels of total halide The total halide content of epoxy resins is reduced by heating a resin containing halide dissolved in a solvent mixture containing at least one ketone, at least one aromatic hydrocarbon and optionally at least one compound containing at least one aliphati... | 04/29/1986 |
| 4582892 | Process for the preparation of epoxy resins Epoxy resins are prepared by dehydrohalogenating the reaction product of a polyhydric phenol with an excess of an epihalohydrin in the presence of a quaternary ammonium compound wherein prior to dehydrohalogenation, the excess epihalohydrin is removed and... | 04/15/1986 |
| 4581454 | Adducts of aminohydrocarbyl piperzaines and urea Adducts of aminohydrocarbyl piperazines and urea are prepared in the presence of basic catalysts. These adducts are useful as curing agents for epoxy resins.... | 04/08/1986 |
| 4581425 | Thermosettable resin composition containing alkenyl phenyl cyanate Thermosettable compositions comprising an alkenyl phenyl cyanate and at least one of an aromatic polycyanate, a polymaleimide or a polymerizable ethylenically unsaturated aromatic monomer are disclosed.... | 04/08/1986 |
| 4575542 | Thermosettable polystyrylpyridine prepolymer terminated with ethylenically unsaturated groups and cured products therefrom Thermosettable compositions are disclosed which are prepared by reacting (A) a pyridine compound containing at least two substituent groups which have at least one hydrogen atom attached to a carbon atom which is attached to the ring or mixture of such py... | 03/11/1986 |
| 4569975 | Polymerization of olefins in presence of a catalyst prepared from organomagnesium compound, carbon dioxide compound, reducing halide source and transition metal compound Olefins or mixtures thereof are polymerized in the presence of the product resulting from heating in an inert hydrocarbon diluent a mixture of (A) an organomagnesium material, (B) essentially anhydrous carbon dioxide, (C) a reducing halide source and (D) ... | 02/11/1986 |
| 4558116 | Process for preparing relatively high molecular weight epoxy resins Epoxy resins low in aliphatic halogen are prepared by reacting a polyhydric phenol with an excess of an epihalohydrin in the presence of a secondary alcohol and an aqueous solution of an alkali metal hydroxide until from 45 to | 12/10/1985 |
| 4555563 | Imide functional polyphenols; thermosettable compositions containing same and cured products therefrom Imide functional polyphenols are prepared by reacting an excess of a phenol with an unsaturated diimide which is prepared by reacting an unsaturated polycycloaliphatic dicarboxylic acid anhydride with a diamine. These materials are useful in the preparation of... | 11/26/1985 |
