Ashland Licensing and Intellectual Property LLC

Ashland, Inc.

Ask Chemicals Gmbh

Other

Shriver, Randall

Kroker, Jorg

Jorg Kroker

H Randall Shriver

Chia-hung Chen

Xianping Wang

Mark R Stancliffe

Robert Bernard Fechter

Ronald C Aufderheide

Gregory P Sturtz

Steven Johnston

Flavia Cunha Duncan

Michael T Brown

Michael R Nocera

Robert Alan Gage

David Andrew Norris

Shannon Frederick Forsythe

Randall Shriver

Bradley Thomas Willis

Compositions comprising (1) a refractory and/or a binder, and (2) bis-cyclopentadienyl iron cyclopentadienyl manganese tricarbonyl, derivatives thereof, and mixtures thereof.

Compositions containing certain metallocenes and their uses

A test casting is useful for predicting the severity of skin that will form when compacted graphite iron or ductile iron is cast using a selected foundry mix. The mold is made from the foundry mix and has a gating system with at least two ingates, and with a hollow cylindrical shape associated with each ingate. The hollow cylindrical shapes are substantially the same height, but the diameter of each varies by at least 20% from the diameter of any of the other cylindrical shapes. Molten metal poured into the gating system fills each of the hollow cylindrical shapes. When the metal cools and solidifies, a solid cylinder of the metal is produced in each hollow cylindrical shape. The solid metal cylinders, each with a distinct diameter, are cut and inspected to measure the skin formed thereon.

Process for preparing a test casting and test casting prepared by the process

This invention relates to a process for making foundry shapes (e.g. cores and molds) using epoxy-acrylate cold-box binders containing an oxidizing agent and elevated levels of an organofunctional silane, which are cured in the presence of sulfur dioxide, and to a process for casting metals using the foundry shapes. The metal parts have fewer casting defects because the foundry shapes made with the binder are more resistant to erosion.

Process for preparing erosion resistant foundry shapes with an epoxy-acrylate cold-box binder

This invention relates to a binder composition comprising condensed tannin and furfuryl alcohol. The composition can be used to prepare foundry mixes. The foundry mixes are prepared by mixing the composition with an acid or salt of an acid. The foundry mixes are then shaped into molds or cores and cured by heating or by the no-bake process with stronger acid curing catalysts. The molds and cores are used in casting metal articles.

Binder composition comprising condensed tannin and furfuryl alcohol and its uses

This invention relates to foundry binder systems, which will cure in the presence of sulfur dioxide and a free radical initiator, comprising (a) an epoxy resin; (b) an acrylate; (c) an alkyl ester of a fatty acid, wherein the alkyl group of the ester is an aliphatic hydrocarbon having from 4 to 8 carbon atoms, preferably butyl tallate; and (d) an effective amount of a free radical initiator. The foundry binder systems are used for making foundry mixes. The foundry mixes are used to make foundry shapes (such as cores and molds) which are used to make metal castings, particularly ferrous castings.

Cold-box binders containing an epoxy resin, acrylate, and isooctyl tallate

This invention relates to foundry binder systems, which cure in the presence of sulfur dioxide and an oxidizing agent, comprising (a) an epoxy resin; (b) an ester of a fatty acid; (c) a fluorinated acid, preferably hydrofluoric acid; (d) an effective amount of a oxidizing agent; and (e) no ethylenically unsaturated monomer or polymer. The foundry binder systems are used for making foundry mixes. The foundry mixes are used to make foundry shapes (such as cores and molds) which are used to make metal castings, particularly ferrous castings.

Binders containing an epoxy resin, an ester of a fatty acid, and a fluorinated acid

Cold-box binders containing an epoxy resin, acrylate, and certain akyl esters

This invention relates to foundry binder systems, which cure in the presence of sulfur dioxide and an oxidizing agent, comprising (a) an epoxy resin; (b) an alkyl silicate; (c) an ester of a fatty acid, (d) an effective amount of a oxidizing agent, and (e) no ethylenically unsaturated monomer or polymer. The foundry binder systems are used for making foundry mixes. The foundry mixes are used to make foundry shapes (such as cores and molds) which are used to make metal castings, particularly ferrous castings.

Acrylate-free binders containing an epoxy resin and an alkyl silicate

This invention relates to polyisocyanate compositions comprising (a) polyisocyanate, and (b) a monomeric carbodiimide. The polyisocyanate compositions are particularly useful in phenolic urethane foundry binder systems. The invention also relates to foundry mixes prepared with (a) a phenolic urethane binder containing the polyisocyanate composition, and (b) a foundry aggregate, as well as foundry shapes prepared by the no-bake and cold-box processes, which are used to make metal castings.

Polyisocyanate compositions and their use

This invention relates to hydrogenfluorides of aminosilanols and their use. The hydrogenfluorides of aminosilanols are formed by the reaction of an aqueous solution of a fluorinated acid, preferably, hydrofluoric acid, with an aminoalkoxysilane. The hydrogenfluorides of aminosilanols are particularly useful in foundry binders, most particularly no-bake and cold-box phenolic urethane foundry binders.

Hydrogenfluorides of aminosilanols and their use

This invention relates to a polyurethane-forming no-bake foundry binder comprising a (a) polyether polyol component comprising (1) a polyether polyol, (2) hydrofluoric acid, and (3) an aminoalkoxysilane, (b) a polyisocyanate component, (c) a liquid tertiary amine catalyst component. Foundry mixes are prepared by mixing the binder system with a foundry aggregate by a no-bake process. The resulting foundry shapes are used to cast metal parts from ferrous and non-ferrous metals.

Polyurethane-forming binders

This invention relates to a polyurethane-forming no-bake foundry binder comprising a (a) polyol component comprising (1) a polyol selected from the group consisting of polyether polyols, aminopolyols, polyester polyols, and mixtures thereof, and (2) a hydrogenfluoride of aminosilanol, (b) a polyisocyanate component, and optionally (c) a liquid tertiary amine catalyst component. Foundry mixes are prepared by mixing the binder system with a foundry aggregate by a no-bake process. The resulting foundry shapes are used to cast metal parts from ferrous and non-ferrous metals.

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Powell, OH, United States of America

Jorg Kroker