Provided is an alkyl phosphinate composition, comprising: 99.5-99.9999 wt % of an alkyl phosphinate; and 0.0001-0.5 wt % of a long-chain phosphate. The particle size D95 of the alkyl phosphinate composition is less than 20 microns; the number of carbon atoms in the long-chain phosphate is 16-24. The composition of alkyl phosphinate powder can avoid agglomeration of ultra-fine powder flame retardant during use and improve the dispersion effect of ultra-fine alkyl phosphinate powder in epoxy resins and polyurethane, thereby avoiding granular white spots when used in materials such as printed circuit boards and films; moreover, the composition can meet processing and use requirements for alkyl phosphinate flame retardants, and does not reduce the flame retardant efficiency of alkyl phosphinate flame retardants. Also provided are a preparation method for and a use of the alkyl phosphinate composition.

The present invention discloses a synthesis of herbicidally active amino acid compounds. The present invention provides a simple and efficient process for preparation of L-glufosinate and its salts.

The present invention relates primarily to a process for producing particular phosphinates (phosphonous acid monoesters) and use thereof for producing biologically active substances which may be used in the pharmaceutical or agrochemical sector, preferably for producing phosphorus-containing amino acids.

The present invention primarily relates to a process for producing certain phosphorus-containing cyanohydrin esters of formula (I) and the use thereof for producing glufosinate/glufosinate salts. The present invention further relates to a process for producing glufosinate/glufosinate salts.

A preparation method for glufosinate or a salt, an enantiomer or a mixture of enantiomers in all ratios thereof, the method being especially suitable for the preparation of glufosinate, and greatly shortening steps in an existing preparation process. Especially in the preparation of L-glufosinate, the product can effectively retain the ee value of the raw materials.

Flame retardant mixtures comprising as component (A) 30% to 99.9% by weight of dialkylphosphinic salts of the formula (II), a and b may be the same or different and are each independently 1 to 9, and where the carbon chains may be linear, branched or cyclic and M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Li, Na, K and/or a protonated nitrogen base and m is 1 to 4, as component (B) 0.1% to 70% by weight of alkyl hydroxyalkylphosphinyl organylcarboxylic acid salts and/or ester salts of the formula (I) where R1CyH2y+1 with y=2 to 8, R2, R3, R4, R5, R6 are the same or different and are each independently H, CxH2x+1, CxH2x1, CxH2x3, CxH2xCO2X, CxH2x2CO2X, CxH2x4CO2X, (C2H3CO2X)u and u=0 to 1000000, CO2X, CxH2x(P(O)(OM)R1), CxH2x2(P(O)(OM)R1)(CO2X) and/or CH2CO2X, where, in the R1, R2, R3, R4, R5 and R6 groups, the carbon chains may be linear, branched or cyclic, M is Mg, Ca, Al, Sb, Sn, Ge, Fe, Ti, Zr, Zn, Ce, Bi, Sr, Mn, Li, Na, K, H and/or N-containing cations, x is 1 to 25, X is H, M, CzH2z+1 and z is 1 to 8, with the proviso that at least one of the R2, R3, R4, R5, R6 groups is not H, and the compounds of formula (II) and formula (I) are different compounds.

Provided is a resin composition having excellent flame retardance, molding processability, and post-heat aging flame retardance. A flame-retardant resin composition contains: (A) a polyphenylene ether; (B) at least one thermoplastic resin selected from the group consisting of (B-1) a polystyrene resin, (B-2) a polyamide resin, (B-3) a polypropylene resin, and (B-4) a polyphenylene sulfide resin; and (C) a flame retardant. The (A) component has a content of less than 50 mass % when the flame-retardant resin composition minus ash content is taken to be 100 mass %. The flame-retardant resin composition has a flame retardance level of V-0 as measured by a UL 94 vertical burning test. A molded article formed from the flame-retardant resin composition exhibits a rate of change of chloroform-insoluble content of no greater than 15 mass % before and after being subjected to aging in which the molded article is left for 1,000 hours at 150 C. in an atmospheric environment.

Polyester compositions comprising: a) at least one semi-aromatic polyester resin; b) at least one reinforcing agent; c) hydroxyapatite; d) at least one epoxy component having two or more epoxy functional groups per molecule of the epoxy component; and optionally, at least one toughener, wherein the compositions exhibit the combined property of a desirable melt viscosity stability and a desirable hydrolysis resistance to articles molded from the compositions. Articles molded or extruded from these compositions especially, electric and electronic components. Methods of maintaining melt viscosity stability of a melt-mixed composition while simultaneously retaining tensile strength in the article prepared from the melt-mixed composition.

Benzyl derivative compounds having peroxisome proliferator-activated receptor (PPAR) agonistic activity, kits and compositions containing such compounds, and methods of their use in enhancing PPAR activity for treating diseases and/or conditions involving inflammation and/or angiogenesis, particularly ocular diseases and/or conditions such as but not limited to retinal inflammation, retinal neovascularization, retinal vascular leakage, retinopathy of prematurity, diabetic retinopathy, age-related macular degeneration, and diabetic macular edema.

The present invention relates to an electronic switching device, in particular to tunnel junctions, comprising an organic molecular layer for use in memory, sensors, field-effect transistors or Josephson junctions. More particularly, the invention is included in the field of random access non-volatile memristive memories (RRAM). Another aspect of the invention relates to a compound of formula I

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in which the occurring groups have the meanings defined in claim 1, for use in the molecular layer. The invention further relates to the use of said molecular layer and to processes for the production and operation of the electronic switching element and components based thereon.