Abstract: Propylene copolymers grafted with .alpha.,.beta.-ethylenically unsaturated carboxylic acids or carboxylic acid derivatives and consisting ofa.sub.1) a random propylene copolymer (A.sub.1) containing from 0.1 to 15% by weight of polymerized C.sub.2 -C.sub.10 -alk-1-enes or ofa.sub.2) a propylene copolymer (A.sub.2) comprising a random propylene copolymer (I) containing from 0.1 to 15% by weight of polymerized C.sub.2 -C.sub.10 -alk-1-enes and a random propylene copolymer (II) containing from 15 to 80% by weight of polymerized C.sub.2 -C.sub.10 -alk-1-enes or ofa.sub.3) a propylene copolymer (A.sub.3) comprising a propylene homopolymer (III) and a random propylene copolymer (IV) containing from 15 to 80% by weight of polymerized C.sub.2 -C.sub.10 -alk-1-enes,are obtainable by reacting the monomer to be grafted with the propylene copolymer (A.sub.1), (A.sub.2) or (A.sub.3) at from 1 to 300 bar, from 0.01 to 1.

Abstract: A packaging film containsa) a sealing layer of a mixture of from 50 to 80% by weight of a random terpolymer (I) of from 90 to 97% by weight of propylene, from 2 to 6% by weight of ethylene and from 1 to 6% by weight of a C.sub.4 -C.sub.10 -alk-1-ene and from 20 to 50% by weight of at least one ethylene polymer (II)b) and a substrate layer of a thermoplastic polymer.The novel packaging film possesses in particular good sealability over a wide temperature range.

Abstract: A description is given of a cuboidal multipack for vertically stacked magnetic recording media, comprising a rectangular pallet, a baseplate and top plate and wound roll sets stacked between two intermediate plates in each case, the tape rolls being wound up on flangeless winding hubs provided with internal bores, through which a hub sleeve is inserted, the pack being protected by edges and side parts and a stretch film being drawn around the entire unit. To be able to stack a large number of wound rolls one on top of the other without the risk of damaging the edges of the tape rolls, each intermediate plate, which is provided on its upper side and under side with a ring groove, is supported by means of the end face of the hollow-cylindrical hub sleeve by the next-lower intermediate plate, so that merely the wound pack accommodated in one set is placed with its weight able to bear on an intermediate plate.

Abstract: The present invention relates to a process for the electrophoretic internal coating of metal containers for the storage of foodstuffs and beverages, the aqueous coating composition used containing 0.01 to 10% by weight, preferably 0.5 to 3% by weight, relative to the solids content of the coating composition, of wax changing into the molten state in the range from 60.degree. C. to 100.degree. C. The process is used in particular for the internal coating of 3-part and 2-part cans and drawn-and-ironed or otherwise deep-drawn cans.

Abstract: Polyester polymers having pendant carbamate groups are disclosed. The polymers are prepared by:(a) reacting a hydroxyalkyl cyclic carbonate with ammonia, ammonium hydroxide, or a primary amine to form a dihydric alcohol having a carbamate group appended thereto,(b) reacting the dihydric alcohol from (a) and a cyclic anhydride to form a half-ester diacid having a carbamate group appended thereto, and(c) reacting a mixture comprising the half-ester diacid from step (b) and a polyol to form a polyester having carbamate groups appended thereto.

Abstract: There is now provided a closed cell rigid polyisocyanate based foam blowing with a C.sub.1 -C.sub.4 hydrofluorocarbon and water as blowing agents, which possesses a uniform density gradient varying by not more than 10 percent. There is also now provided a froth foaming mixture having good flow by employing a hydroxy terminated polyol which is pH neutral and a tertiary amine ether blow catalyst in an amount of 0.5 weight percent or more, using water and a C.sub.1 -C.sub.4 hydrofluorocarbon having a boiling point of 300 K or less as co-blowing agents.There is also provided a polyol composition having an average OH number of less than 400 and an average functionality of greater than 4, which when reacted with the isocyanate in the presence of a C.sub.1 -C.sub.4 hydrofluorocarbon, yields a rigid closed cell polyisocyanate based dimensionally stable foam.

Abstract: A process for preparing transparent yellow iron oxide pigments by the precipitation of iron (II) hydroxide by adding an inorganic base to an iron (II) salt solution and subsequent oxidation to FeOOH.

Abstract: The invention relates to a cathodic electro-dipping process wherein the electro-dipping primer employed contains a crosslinking agent which can be obtained by reactinga) a diol and/or a triol or a mixture of diols and/or a mixture of triols,b) diphenylmethane 4,4'-diisocyanate the melting point of which has been depressed, by partial reaction with a monool and/or polyol or a mixture of monools and/or a mixture of polyols, so far that it is liquid at room temperature andc) a masking agent or a mixture of masking agentsto give a crosslinking agent which is free from isocyanate groups.

Abstract: Acetylene derivatives of the general formula I ##STR1## where U, V and W are hydrogen, halogen, nitro, cyano, alkyl or alkoxy,A is alkylidene, alkoxymethylidene, alkylthiomethylidene or alkoximino,B is OH, alkoxy or alkylamino andR is hydrogen, halogen, cyano, CF.sub.3, alkyl, cycloalkyl, haloalkyl, aryl, alkenyl, alkynyl, heterocyclyl, hetaryl, arylalkyl, arylalkenyl, arylethynyl, hetaryl-C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy-C.sub.1 -C.sub.4 -alkyl, aryloxyalkyl, hetaryloxyalkyl, arylamino-alkyl, arylthiomethyl, hetarylthiomethyl, C(O)R.sup.1, C(O)NR.sup.2 R.sup.3, C(S)NR.sup.4 R.sup.5, C(O)SR.sup.6, C(S)OR.sup.7, C(S)SR.sup.8, CH(OH)R.sup.9, CH(OR.sup.10)R.sup.11, SiR.sup.12 R.sup.13 R.sup.14, SnR.sup.15 R.sup.16 R.sup.17, C(OR)R.sup.18 or C(.dbd.N--OR.sup.19)R.sup.20 andR.sup.1 -R.sup.17, R.sup.19 and R.sup.20 are hydrogen, alkyl, aryl, hetaryl, arylalkyl or hetarylalkyl and R.sup.18 is OH, C.sub.1 -C.sub.4 -alkoxy or aryl-C.sub.1 -C.sub.4 -alkoxy, and fungicides containing these compounds.

Abstract: The invention relates to hydroxylamine derivatives of the general formula ##STR1## in which A denotes a divalent connecting link, R.sup.1 can be a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group, Z stands for an n-valent organic radical, which contains a copolymerizable ethylenically unsaturated group, and n is an integer from 1 to 3, and salts thereof and copolymers thereof.

Abstract: A process for the gas phase catalytic oxidation of a C.sub.3-6 alkane, alkanol, alkene or alkenal using as a catalyst multimetal oxide compositions of the formula I, [X.sup.1.sub.a X.sup.2.sub.b O.sub.x ].sub.p [X.sup.3.sub.c X.sup.4.sub.d X.sup.5.sub.e X.sup.6.sub.f X.sup.7.sub.g X.sup.2.sub.h O.sub.y ].sub.q, where X.sup.1 is bismuth, tellurium, antimony, tin and/or copper, X.sup.2 is molybdenum and/or tungsten, X.sup.3 is an alkali metal, thallium and/or samarium, X.sup.4 is an alkaline earth metal, nickel, cobalt, copper, manganose, zinc, tin, cadmium and/or mercury, X.sup.6 is iron, chromium, cerium and/or vanadium, X.sup.6 is phosphorus, arsenic, boron and/or antimony, X.sup.7 is a rare-earth metal, titanium, zirconium, niobium, tantalum, rhenium, ruthenium, rhodium, silver, gold, aluminum, gallium, indium, silicon, geranium, lead, thorium and/or uranium, a is from 0.01 to 8, b is from 0.

Abstract: Reactive dyes of the formula I ##STR1## where n is 0 or 1R.sup.1, R.sup.2 and R.sup.3 are in each case hydrogen, C.sub.1 -C.sub.4 -alkyl or phenyl,R.sup.4 is fluorine, chlorine, bromine, C.sub.1 -C.sub.4 -alkylsulfonyl, phenylsulfonyl or a radical of the formula ##STR2## L is a bridge member, A is unsubstituted or substituted C.sub.2 -C.sub.8 -alkylene,Y is vinyl or a radical of the formula --CH.sub.2 --CH.sub.2 --Q, Q being a group which can be removed under alkaline reaction conditions, andD is phenyl or naphthyl, it being possible for these radicals to be substituted, and a process for preparing reactive dyes by oxidation of the abovementioned compounds are described.

Abstract: Polymeric, catalytically active compounds comprising polymer chains to which imidazole groups are linked terminally or laterally are used as catalysts for the dimerization of isocyanates.

Abstract: There is now provided a rigid closed cell polyisocyanate based foam for use as a positive flotation material for watercraft which meets the U.S. Coast Guard immersion test (CGD 75-168, 33 C.F.R. .sctn.183.114). As a blowing agent for this foam, a mixture of 1,1,1,2-tetrafluoroethane (R-134a) as a frothing agent and water is used, where the amount of water is less than 2.5 weight percent based on the weight of the formulated polyol composition. Also, in preferable embodiments, the polyols in the polyol composition are initiated by at least one amine; and the polyol composition contains a delayed action tertiary amine catalyst. The foams used in the invention have excellent dimensional stability. In another embodiment, there is also provided a formulated polyol composition of R-134a and a polyol composition having an average OH# of less than 400 and an average functionality of greater than 4 using R-134a and less than 2.5 wt.

Abstract: There is now provided a closed cell rigid polyisocyanate based foam blowing with a C.sub.1 -C.sub.4 hydrofluorocarbon and water as blowing agents, which possesses a uniform density gradient varying by not more than 10 percent. There is also now provided a froth foaming mixture having good flow by employing a hydroxy terminated polyol which is pH neutral and a tertiary amine ether blow catalyst in an amount of 0.5 weight percent or more, using water and a C.sub.1 -C.sub.4 hydrofluorocarbon having a boiling point of 300 K. or less as co-blowing agents.There is also provided a polyol composition having an average OH number of less than 400 and an average functionality of greater than 4, which when reacted with the isocyanate in the presence of a C.sub.1 -C.sub.4 hydrofluorocarbon, yields a rigid closed cell polyisocyanate based dimensionally stable foam.

Abstract: A multi-lobal composite filament with reduced stainability having a polyamide core being substantially free of amine end-groups and being surrounded by a sheath of a hydrophobic polymer of aromatic polyesters, aliphatic polyesters, polyethylene, polymethylpentent, polybutene, polymethyl butene and copolymers thereof, wherein the weight ratio between core and sheath is from about 2:1 to about 10:1. These filaments are particularly useful to the manufacture of carpets.

Abstract: A thermoplastic coupling agent mixture (A) containinga) 5 to 95% by weight of an ethylene copolymer (A.sub.I) having minor amounts of polar comonomers, andb) 5 to 95% by weight of a copolymer (A.sub.II) of aromatic monovinyl comonomers and conjugated dienesis suitable in particular as a component in thermoplastic polymer mixtures that contain polyolefins (B), copolymers of styrene (C), and also if appropriate further thermoplastic polymers (D), and the components (B), (C) and if appropriate (D) may also be used in the form of reprocessed polymers obtainable by regranulating molded parts produced from the relevant materials.

Abstract: Nickelized shaped articles are produced by electrodeposition of nickel from aqueous acidic baths containing as essential constituents one or more nickel salts, one or more inorganic acids and at least two brighteners by using as brighteners a mixture ofA) from 2 to 98% by weight of one or more cyclic N-allylammonium or N-vinylammonium compounds I ##STR1## where the nitrogen atom is part of a pyridine, quinoline or isoquinoline ring system which may additionally carry one or two C.sub.1 - to C.sub.4 -alkyl substituents or halogen atoms,R.sup.1, R.sup.3 and R.sup.4 are each hydrogen or C.sub.1 - to C.sub.4 -alkyl,R.sup.2 is hydrogen or methyl,m is from 0 to 4,n is from 1 to 4, andX.sup..crclbar. is an n-valent inorganic or organic anion which promotes solubility in water, andB) from 98 to 2% by weight of one or more acetylenically unsaturated compounds IIR.sup.4 --C.tbd.C--R.sup.5 (II)where R.sup.4 and R.sup.5 are identical or different and each is C.sub.1 - to C.sub.

Abstract: Nickelized shaped articles are produced by electrodeposition of nickel from aqueous acidic baths containing as essential constituents one or more nickel salts, one or more inorganic acids and one or more brighteners by a procedure in which the brighteners used are phosphonium salts I ##STR1## where R.sup.1 to R.sup.3 are each C.sub.1 -C.sub.18 -alkyl, which may be carboxyl-, C.sub.1 -C.sub.4 -alkoxycarbonyl- or cyano-substituted, C.sub.2 -C.sub.12 -alkenyl, C.sub.2 -C.sub.12 -alkynyl, C.sub.5 -C.sub.8 -cycloalkyl, C.sub.7 -C.sub.12 -phenylalkyl, phenyl, which may be substituted by one or two substituents selected from the group consisting of C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, halogen, hydroxyl, phenyl and C.sub.1 -C.sub.4 -alkoxycarbonyl, or mono- or di(C.sub.1 -C.sub.4 -alkyl)amino,R.sup.4 and R.sup.5 are each hydrogen or C.sub.1 -C.sub.4 -alkyl,A is hydrogen or a group of the formula --CO--H, --CO--R.sup.6, --CO--OH, --CO--OR.sup.6, --CO--CH.sub.2 --CO--OR.sup.6, --O--CO--H, --O--CO--R.sup.

Abstract: The present invention relates to a method to enhance a cell's ability to produce biotin precursors and/or biotin by deregulating at least one enzyme of the fatty acid biosynthetic pathway in the cell, preferably an enzyme that carries out an early step in the pathway. Preferably, the biotin biosynthetic pathway is also deregulated. The invention includes biotin-producing cells in which at least one enzyme of the fatty acid biosynthetic pathway is deregulated, preferably by transforming the cells with nucleic acid sequences encoding at least one of those enzymes; methods to produce such cells; and use of such cells to produce biotin.