Abstract: A process for inhibiting the deposition or precipitation of wax in a hydrocarbon fluid such as, for example, a crude oil, and for operating a pipeline is disclosed. The process comprises combining an effective amount of a polymer with the hydrocarbon fluid wherein the polymer comprises random repeat unit of butadiene. Also provided is a composition which comprises a hydrocarbon fluid and a random copolymer which comprises repeat units of styrene and butadiene.

Abstract: A novel composition comprises aluminum borate and zirconium borate. Preferably, the composition is prepared by coprecipitation. The composition is useful as a sorbent or as a catalyst material.

Abstract: A process for separating polar substances (preferably water, alcohols, ethers, aldehydes, nitriles) from hydrocarbon fluids employs a sorbent comprising aluminum borate and zirconium borate. Preferably, the sorbent composition has been prepared by coprecipitation.

Abstract: A process for simultaneously producing C.sub.5 -C.sub.12 alkane(s) and C.sub.5 -C.sub.8 tertiary alkyl ether(s) employs a liquid feed mixture containing (a) at least one C.sub.4 -C.sub.7 isoalkane, (b) at least one second reactant which is at least one C.sub.4 -C.sub.8 isoalkane, and/or at least one C.sub.4 -C.sub.8 tertiary alkyl alcohol, and (c) at least one C.sub.1 -C.sub.6 linear alkyl alcohol, wherein the liquid feed mixture is contacted at effective reaction conditions with a catalyst consisting essentially of trifluoromethanesulfonic acid and a specific solid carrier material (preferably alumina).

Abstract: Sintering of an article molded from a first particulate material comprising silicon nitride employs carbon and ceramic-containing layers. At least one outer layer comprising a second particulate material is positioned with respect to the article so as to be closely adjacent to but not contacting the article, and at least one inner layer comprising a third particulate material is intermediate to the outer layer and the article so as to at least partially surround the article. The second particulate material comprises at least about 90 weight percent carbon, and the third particulate material comprises a ceramic compound selected from a nitride, a carbide, and mixtures thereof. The article is heated while positioned with respect to the outer and inner layers as described above so as to result in a sintered article.

Abstract: A composition of matter comprises trifluorometbanesulfonic acid and a solid inorganic material which contains aluminum borate and aluminum oxide, This composition is used as a catalyst for alkylating at least one C.sub.2 -C.sub.10 alkane (preferably isobutane and/or an isooctane) with at least one C.sub.2 -C.sub.10 alkene (preferably pentene-1 and/or hexene-1).

Abstract: A composition of matter comprises trifluoromethanesulfonic acid on a solid support material which contains boron phosphate and/or boron sulfate. Preferred support materials are boron phosphate, boron phosphate-coated silica and boron sulfate-coated silica. The above composition is used as a catalyst for alkylating at least one C.sub.2 -C.sub.7 alkane (preferably isobutane or an isopentane) with at least one C.sub.2 -C.sub.7 alkene (preferably butene-2).

Abstract: C.sub.5 -C.sub.10 cycloalkanes (preferably methylcyclopentane) are isomerized in the presence of a catalyst comprising aluminum chloride and at least one of the following materials: boron phosphate on silica, boron phosphate on activated carbon, boron sulfate on silica.

Abstract: A composition of matter comprises trifluoromethane on a solid support material which contains boron phosphate and/or boron sulfate. Preferred support materials are boron phosphate, boron phosphate-coated silica and boron sulfate-coated silica. The above composition is used as a catalyst for alkylating at least one C.sub.2 -C.sub.7 alkane (preferably isobutane or an isopentane) with at least one C.sub.2 -C.sub.7 alkene (preferably butene-2).

Abstract: The present invention provides an inventive arylene sulfide coating composition which exhibits enhanced hardness, inertness, abrasion-resistance, and durability. The, inventive composition comprises an arylene sulfide polymer resin and a ceramic microsphere filler. The inventive coating composition can be applied to a substrate in order to improve the degradation resistance of the substrate and provide an article of manufacture well suited for use in high temperature, abrasive, and/or corrosive environments.

Abstract: Block copolymers composed of poly(phenylene sulfide) segments and poly(arylene sulfide/sulfone) segments are prepared by first polymerizing a dihalobenzene, utilizing a suitable sulfur source in the presence of a polar organic compound, to form poly(phenylene sulfide) segments then adding and polymerizing a dehaloaromatic sulfone thereby forming said block copolymer which block copolymers are employed as coatings and also are used to enhance compatibility of polymer blends.

Abstract: Improved coatings derived from arylene sulfide polymers are provided by use of powdered or liquid slurry coating formulations comprising a metal oxide and an arylene sulfide polymer which has an extrusion rate of about 80 to about 400 grams/10 minutes.

Abstract: Improved coatings derived from arylene sulfide polymers are provided by use of powered or liquid slurry coating formulations comprising a metal oxide and an arylene sulfide polymer which has an extrusion rate of about 80 to about 400 grams/10 minutes.

Abstract: A method for producing molded articles by supplying to a mold a powdered thermoplastic material; heating the mold to fuse the material and cooling the mold to cause the fused thermoplastic material to solidify. The article is molded from a high density monoolefin thermoplastic polymer which contains a catalyst residue, a crosslinking amount of an acetylinic diperoxy compound and a tetraalkenyl orthosilicate compound. The molded article has at least one of increased crosslinking, lowered bubble formation and increased storage modulus.

Abstract: Novel articles are prepared by forming or shaping protein/polymeric material blends. The resulting articles are attractive to masticating animals. Uses for such as synthetic bones and as a bait or lure are disclosed. Novel compositions as well as method for making the novel articles of the invention are also disclosed.

Abstract: High productivity polymers containing acetylenic diperoxy compounds and allyl silicon compounds are molded producing molded articles of improved properties.