Abstract: The present invention relates to a cable comprising a crosslinked layer obtained from a polymer composition, the polymer composition comprising: a polymer blend comprising an ethylene vinyl acetate (EVA) copolymer, nitrile rubber (NBR), and an ethylene-methyl acrylate (AEM) copolymer; a crosslinking agent; and a flame-retardant filler.

Abstract: The present invention relates to a device for blocking cooling water of a weld gun, the device preventing water leakage by blocking the cooling water leaking from the weld gun when a tip provided to the weld gun is replaced.

Abstract: The present invention relates to silver particles capable of having a uniform particle distribution, preventing agglomeration of a powder, and significantly improving dispersibility, the silver particles each having pores therein, and to a manufacturing method therefor and, more specifically, to a manufacturing method for silver particles, the method comprising a silver-complex forming step, a silver slurry preparing step, and a silver particle obtaining step, and to silver particles manufactured therefrom.

Abstract: A cable is provided having at least one elongated conductor surrounded by at least one cross-linked layer, said layer being obtained from a polymer composition comprising a polymer, a crosslinking agent, and an amine as co-crosslinking agent, wherein said amine has a nucleophilic value (N) of 14 or more.

Abstract: A crosslinked composition for use as a sheath layer of cable is obtained from polymer blend having ethylene vinyl acetate copolymer (EVA), nitrile rubber (NBR) and crosslinking agent. The polymer blend further has a reactive polymer containing at least one nucleophilic or electrophilic functional group and a reactive compound selected from amphiphilic compound containing at least one nucleophilic or electrophilic functional group that can chemically react with nucleophilic or electrophilic functional group of the reactive polymer.

Abstract: A crosslinked composition for use as a sheath layer of cable is obtained from polymer blend having ethylene vinyl acetate copolymer (EVA), nitrile rubber (NBR) and crosslinking agent. The polymer blend further has a reactive polymer containing at least one nucleophilic or electrophilic functional group and a reactive compound selected from amphiphilic compound containing at least one nucleophilic or electrophilic functional group that can chemically react with nucleophilic or electrophilic functional group of the reactive polymer.

Abstract: Disclosed is a PNA oligomer with increased solubility in water and specificity upon hybridization with nucleic acid, which comprises at least one universal base, capable of forming a base pair with natural DNA or RNA bases, incorporated in its base sequence, the base sequence having at least 60% purine bases or at least four contiguous purine bases.

Abstract: This application relates to monomers of the general formula (I) for the preparation of PNA (peptide nucleic acid) oglimers and provides method for the synthesis of both predefined sequence PNA oligomers and random sequence PNA oligomers: wherein E is nitrogen or C—R?; J is sulfur or oxygen; R?, R1, R2, R3, R4 is independently H, halogen, alkyl, nitro, nitrile, alkoxy, halogenated alkyl, halogenated alkoxy, phenyl or halogenated phenyl, R5 is H or protected or unprotected side chain of natural or unnatural ?-amino acid; and B is a natural or unnatural nucleobase, wherein when said nucleobase has an exocyclic amino function, said function is protected by protecting group which is labile to acids but stable to weak to medium bases in the presence of thiol.

Abstract: This application relates to monomers of the general formula (I) for the preparation of PNA (peptide nucleic acid) oligomers and provides method for the synthesis of both predefined sequence PNA oligomers and random sequence PNA oligomers: wherein E is nitrogen or C—R?; J is sulfur or oxygen; R?, R1, R2, R3, R4 is independently H, halogen, alkyl, nitro, nitrite, alkoxy, halogenated alkyl, halogenated alkoxy, phenyl or halogenated phenyl, R5 is H or protected or unprotected side chain of natural or unnatural ?-amino acid; and B is a natural or unnatural nucleobase, wherein when said nucleobase has an exocyclic amino function, said function is protected by protecting group which is labile to acids but stable to weak to medium bases in the presence of thiol.

Abstract: This application relates to monomers of the general formula (I) for the preparation of PNA (peptide nucleic acid) oligomers and provides method for the synthesis of both predefined sequence PNA oligomers and random sequence PNA oligomers: wherein E is nitrogen or C—R?; J is sulfur or oxygen; R?, R1, R2, R3, R4 is independently H, halogen, alkyl, nitro, nitrile, alkoxy, halogenated alkyl, halogenated alkoxy, phenyl or halogenated phenyl, R5 is H or protected or unprotected side chain of natural or unnatural ?-amino acid; and B is a natural or unnatural nucleobase, wherein when said nucleobase has an exocyclic amino function, said function is protected by protecting group which is labile to acids but stable to weak to medium bases in the presence of thiol.

Abstract: This application relates to monomers of the general formula (I) for the preparation of PNA (peptide nucleic acid) oligomers and provides method for the synthesis of both predefined sequence PNA oligomers and random sequence PNA oligomers: wherein E is sulfur or oxygen; J is nitrogen or C—R?; R1, R? is independently H, halogen, alkyl, nitro, nitrile, alkoxy, halogenated alkyl, halogenated alkoxy or a functional group having one of following general formulae: wherein A1, A2, A3, A4, A5, is independently selected from H, halogen such as F, Cl, Br or I, CF3, alkyl, preferably C1–C4 alkyl, nitro, nitrile, alkoxy, preferably C1–C4 alkoxy, halogenated (such as F, Cl, Br and I) alkyl, preferably halogenated C1–C4 alkyl, halogenated (such as F, Cl, Br and I) alkoxy, preferably halogenated C1–C4 alkoxy, phenyl, and halogenated (such as F, Cl, Br and I phenyl; R2 is H or protected or unprotected side chain of natural or unnatural ?-amino acid; and B is a natural or unnatural nucleobase, wherein when said nuc

Abstract: This application relates to monomers of the general formula (I) for the preparation of PNA (peptide nucleic acid) oligomers and provides method for the synthesis of both predefined sequence PNA oligomers and random sequence PNA oligomers: wherein E is nitrogen or C—R?; J is sulfur or oxygen; R?, R1, R2, R3, R4 is independently H, halogen, alkyl, nitro, nitrile, alkoxy, halogenated alkyl, halogenated alkoxy, phenyl or halogenated phenyl, R5 is H or protected or unprotected side chain of natural or unnatural ?-amino acid; and B is a natural or unnatural nucleobase, wherein when said nucleobase has an exocyclic amino function, said function is protected by protecting group which is labile to acids but stable to weak to medium bases in the presence of thiol.

Abstract: This application relates to monomers of the general formula (I) for the preparation of PNA (peptide nucleic acid) oligomers and provides method for the synthesis of both predefined sequence PNA oligomers and random sequence PNA oligomers: wherein E is nitrogen or C—R?; J is sulfur or oxygen; R?, R1, R2, R3, R4 is independently H, halogen, alkyl, nitro, nitrile, alkoxy, halogenated alkyl, halogenated alkoxy, phenyl or halogenated phenyl, R5 is H or protected or unprotected side chain of natural or unnatural ?-amino acid; and B is a natural or unnatural nucleobase, wherein when said nucleobase has an exocyclic amino function, said function is protected by protecting group which is labile to acids but stable to weak to medium bases in the presence of thiol.

Abstract: This application relates to monomers of the general formula (I) for the preparation of PNA (peptide nucleic acid) oligomers and provides method for the synthesis of both predefined sequence PNA oligomers and random sequence PNA oligomers: wherein E is nitrogen or C—R?; J is sulfur or oxygen; R?, R1, R2, R3, R4 is independently H, halogen, alkyl, nitro, nitrile, alkoxy, halogenated alkyl, halogenated alkoxy, phenyl or halogenated phenyl, R5 is H or protected or unprotected side chain of natural or unnatural ?-amino acid; and B is a natural or unnatural nucleobase, wherein when said nucleobase has an exocyclic amino function, said function is protected by protecting group which is labile to acids but stable to weak to medium bases in the presence of thiol.

Abstract: This application relates to monomers of the general formula (I) for the preparation of PNA (peptide nucleic acid) oligomers and provides method for the synthesis of both predefined sequence PNA oligomers and random sequence PNA oligomers: wherein R1, R2, R3, R4, R5 is independently H, halogen, C1–C4 alkyl, nitro, nitrile, C1–C4 alkoxy, halogenated C1–C4 alkyl, or halogenated C1–C4 alkoxy, wherein at least one of R1, R3, and R5 is nitro; R6 is H or protected or unprotected side chain of natural or unnatural ?-amino acid; and B is a natural or unnatural nucleobase, wherein when said nucleobase has an exocyclic amino function, said function is protected by protecting group which is labile to acids but stable to weak to medium bases.

Abstract: This application relates to monomers of the general formula (I) for the preparation of PNA (peptide nucleic acid) oligomers and provides method for the synthesis of both predefined sequence PNA oligomers and random sequence PNA oligomers: wherein E is nitrogen or C—R?; J is sulfur or oxygen; R?, R1, R2, R3, R4 is independently H, halogen, alkyl, nitro, nitrile, alkoxy, halogenated alkyl, halogenated alkoxy, phenyl or halogenated phenyl, R5 is H or protected or unprotected side chain of natural or unnatural ?-amino acid; and B is a natural or unnatural nucleobase, wherein when said nucleobase has an exocyclic amino function, said function is protected by protecting group which is labile to acids but stable to weak to medium bases in the presence of thiol.

Abstract: This application relates to monomers of the general formula (I) for the preparation of PNA (peptide nucleic acid) oligomers and provides method for the synthesis of both predefined sequence PNA oligomers and random sequence PNA oligomers: 1

Abstract: This application relates to monomers of the general formula (I) for the preparation of PNA (peptide nucleic acid) oligomers and provides method for the synthesis of both predefined sequence PNA oligomers and random sequence PNA oligomers: 1

Abstract: The present invention relates to a process for preparing a useful medicinal intermediate represented by the following formula (1): in which, R1, A and n are defined as described in the specification, or its stereoisomer, characterized in that a compound represented by the following formula (2): in which, R, R1, A and n are defined as described in the specification, is reacted with a cyanide in the presence of a nickel catalyst.