Abstract: Processes for manufacturing nitrogen oxide storage materials and lean NOx trap catalysts are disclosed. Also disclosed are nitrogen oxide storage material made by processes comprising barium carbonate (BaCO3) and ceria (CeO2) by using Ba(OH)2 instead of most or all Ba(OOCH3)2 to reduce cost and reduce harmful byproducts. Aspects of the present invention also relate generally to lean NOx trap (LNT) comprising nitrogen oxide storage materials.

Abstract: The invention provides a process for preparing N,N?-di(3?,5?-dimethylphenyl)perylene bis(dicarboximide), and other pigments having modified properties, by reaction of perylene-3,4,9,10-tetracarboxylic dianhydride with 3,5-dimethylaniline, or a mixture of 3,5-dimethyl aniline and at least one other primary amine, in the presence of a secondary amine or tertiary amine as catalyst, wherein the reaction occurs in an aqueous reaction medium and in the presence of added seed crystals of N,N?-di(3?,5?-dimethylphenyl) perylenebis(dicarboximide), such that the aqueous medium is present at the beginning of the reaction.

Abstract: Processes for manufacturing nitrogen oxide storage materials and lean NOx trap catalysts are disclosed. Also disclosed are nitrogen oxide storage material made by processes comprising barium carbonate (BaCO3) and ceria (CeO2) by using Ba(OH)2 instead of most or all Ba(OOCH3)2 to reduce cost and reduce harmful byproducts. Aspects of the present invention also relate generally to lean NOx trap (LNT) comprising nitrogen oxide storage materials.

Abstract: A process for preparing perylene pigments of the general formula (Ia) or (Ib) or mixtures thereof, by reacting perylenetetracarboxylic acids or functional derivatives thereof with aromatic diamines, where R1, R2 may be the same or different and may each independently be phenylene, naphthylene or pyridylene, where R1, R2 may each be mono- or polysubstituted by C1-C22-alkyl, C3-C22-alkenyl, C1-C22-alkoxy, hydroxyl and/or halogen, X1, X2, X3, X4, X5, X6, X7, X8 may be the same or different and may each independently be hydrogen or halogen, wherein the reaction is performed in the presence of a secondary or tertiary amine in an aqueous reaction medium.

Abstract: Isoindoline pigments of the general formula I in which the variables are defined as follows: R1 is C1-C4-alkyl; R2 is hydrogen or C1-C4-alkyl, whose value expressing ease of dispersion in LDPE is ?10 and which require a reduction ratio of ?5 to obtain ? of standard depth of shade.

Abstract: A process for preparing perylene pigments of the general formula (Ia) or (Ib) or mixtures thereof, by reacting perylenetetracarboxylic acids or functional derivatives thereof with aromatic diamines, where R1, R2 may be the same or different and may each independently be phenylene, naphthylene or pyridylene, where R1, R2 may each be mono- or polysubstituted by C1-C22-alkyl, C3-C22-alkenyl, C1-C22-alkoxy, hydroxyl and/or halogen, X1, X2, X3, X4, X5, X6, X7, X8 may be the same or different and may each independently be hydrogen or halogen, wherein the reaction is performed in the presence of a secondary or tertiary amine in an aqueous reaction medium.

Abstract: The invention provides a process for preparing N,N?-di(3?,5?-dimethylphenyl) perylenebis(dicarboximide) by reaction of perylene-3,4,9,10-tetracarboxylic dianhydride with 3,5-dimethylaniline in the presence of a secondary or tertiary amine as catalyst, which comprises effecting the reaction in an aqueous reaction medium and in the presence of added seed crystals of N,N?-di(3?,5?-dimethylphenyl) perylenebis(dicarboximide).

Abstract: Isoindoline pigments of the general formula I in which the variables are defined as follows: R1 is C1-C4-alkyl; R2 is hydrogen or C1-C4-alkyl, whose value expressing ease of dispersion in LDPE is ?10 and which require a reduction ratio of ?5 to obtain ? of standard depth of shade.

Abstract: The invention relates to the use of compounds of general formula (I) as crystallization modifiers for organic pigments, in which formula the variables have the following designation: A represents ?N— or ?CH—; X represents methyl or a radical of formula (IIa) if A represents ?N—, and a radical R if A represents ?CH—; Y represents a radical R or a radical of formula (IIb), either X representing a radical of formula (IIa) or Y representing a radical of formula (IIb); and the rings B1 and B2 can be independently substituted, in addition, by at least one of the radicals R which are the same or different and do not represent hydrogen.

Abstract: Black perylene pigments which comprise one of the isomers of the formula Ia or Ib in which R1, R2 are each independently phenylene, naphthylene or pyridylene, each of which may be mono- or polysubstituted by C1-C12-alkyl, C1-C6-alkoxy, hydroxyl, nitro, and/or halogen; X is halogen; n Is from 0 to 4, or comprises a mixture of both isomers and has a blackness value ?210 in an alkyd/melamine baking varnish.

Abstract: Dispersible pigment granules are produced by mixing an aqueous suspension of an organic pigment with an aqueous emulsion of a wax-like additive. The aqueous emulsion is then allowed to coagulate and the resulting aqueous dispersion is spray dried.

Abstract: Solid pigment preparations comprising as essential constituents (A) from 60% to <90% by weight of at least one pigment, (B) >10% to 40% by weight of at least one anionic surface-active additive based on acid phosphoric, phosphonic, sulfuric and/or sulfonic esters of polyalkylene oxides or of reaction products of alkylene oxides with aliphatic alcohols, with phenol or naphthol, which may each be alkyl substituted if desired, with aliphatic or aromatic amines or with aliphatic carboxylic acids or carboxamides or on salts thereof, the fraction of the phosphorus-containing additive in a mixture of phosphorus- and sulfur-containing additives being not less than 50% by weight, and (C) from 0% to <30% by weight of at least one nonionic surface-active additive based on polyethers, with the proviso that component (B) is a phosphoric and/or phosphonic ester when the fraction of component (C) is 0% by weight, are made and used for pigmenting macromolecular organic and inorganic materials.

Abstract: A method for distortion-free pigmentation of partly-crystalline plastics, characterized in that a phthalocyanine pigment is used which has been heated to a temperature of at least 80° C. as a suspension in an acid-free organic medium in the presence of a base.

Abstract: Black perylene pigments which comprise one of the isomers of the formula Ia or Ib in which R1, R2 are each independently phenylene, naphthylene or pyridylene, each of which may be mono- or polysubstituted by C1-C12-alkyl, C1-C6-alkoxy, hydroxyl, nitro, and/or halogen; X is halogen; n Is from 0 to 4, or comprises a mixture of both isomers and has a blackness value ?210 in an alkyd/melamine baking varnish.

Abstract: Solid pigment preparations containing the following ingredients as substantial components: (A) 60–85 wt. % of at least one organic pigment, (B) 0.1–15 wt.

Abstract: The invention relates to a method for distortion-free pigmentation of partly-crystalline plastics, chraracterised in that a phthalocyanine pigment is used which has been heated to a temperature of at least 80° C. as a suspension in an acid-free organic medium in the presence of a base.

Abstract: The use of compounds of the general formula I where A is ?N— or ?CH—; X when A is ?N— is methyl or a radical of the formula IIa or when A is ?CH— is an R radical; Y is an R radical or a radical of the formula IIb with either X being a radical of the formula IIa or Y being a radical of the formula IIb; R is hydrogen, halogen, C1-C4-alkyl, —SO3H, —SO3?Me+, —SO3?N+R1R2R3R4, —SO2NR1R2, —CH2NR1R2, —CH2R5, —COOH, —COO?N+R1R2R3R4, —COOR6 or —COR6; R1, R2, R3 and R4 are each independently hydrogen; C1-C22-alkyl or C2-C22-alkenyl whose carbon chain may in either case be interrupted by one or more —O—, —S—, —NR7—, —CO— or —SO2? moieties and/or which may be substituted by one or more of hydroxyl, halogen, aryl, C1-C4-alkoxy and acetyl; C3-C8-cycloalkyl whose carbon skeleton may be interrupted by one or more —O—, —S—, —NR7— or —CO— moieties and/or which may be substituted by one or more of hydroxyl, halogen, aryl, C1-C4-alkoxy and acetyl; hydroabietyl, abietyl or aryl; R1 and R2 or R1, R2 and R3 may combi

Abstract: Solid pigment preparations containing the following ingredients as substantial components: (A) 60-85 wt. % of at least one organic pigment, (B) 0.1-15 wt.

Abstract: The present invention relates to the use of wax-coated pigment granules as colorants in electrophotographic toners and developers, powder coating materials, inkjet inks, electret fibers, and color filters, wherein the coated pigment granules have a particle size of between 0.05 and 5 mm and a wax content of from 1 to 50% by weight, based on the overall weight of the coated pigment granules.

Abstract: A process for producing colored oriented strand board, which comprises the wood strands which serve as a base material for oriented strand board being contacted, before or after-drying, with a liquid colorant preparation, then conventionally resinated, and formed into three-layered mats and these three-layered mats being hot-pressed into board having a center layer and two outside layers.