Abstract: The present invention relates to a composition comprising a multistage polymer and a (meth)acrylic polymer in form of a porous polymer powder, its process of preparation and its use. The present invention also relates to a composition in form of a porous polymer powder comprising a multistage polymer in form of polymeric particles made by a multistage process and a (meth)acrylic polymer, while the (meth)acrylic polymer possesses a medium molecular weight. The present invention further relates to polymer composition in form of a porous polymer powder comprising polymeric particles made by a multistage process comprising at least two stages and a (meth)acrylic polymer, its process of preparation, its use and compositions and articles comprising it.

Abstract: The present invention relates to a polymeric composition in form of porous polymer powder, its composition and its use. In particular, the present invention relates to a porous polymer powder comprising polymer in form of polymeric particles made by a multistage process. The present invention relates also to the use of the porous polymer powder and a composition comprising it.

Abstract: The invention relates to a method for determining the origin of a mixture of constituents by spectral analysis. The invention especially relates to a method for determining the concentration and origin of raw gases and/or crude oils in a mixing zone following mixing by the transport of said raw gases and/or crude oils that come from at least two different sources of extraction, said method comprising a specific spectral analysis.

Abstract: The invention relates to a method for characterizing a target product, including the steps of: (a) forming a bank of spectral data comprising samples; (b) having measured characteristics and spectra; (c) performing a spectral analysis of the target product and comparing the spectrum obtained with the spectral data in the data bank; (d) identifying the “near neighbor” points of the target product; and (e) performing a topological calculation of the characteristic of the target product as a function of the corresponding characteristics of the near neighbor points, based on a weighting linked to the inverse of the distance between the target product and the near neighbor points.

Abstract: The invention relates to a method for optimizing a mixture of components for the production of a target product by means of spectral analysis, preferably by means of spectral analysis (topological) in the near infrared region (NIR). The aim of the method is to produce a target product by batch mixing and/or continuous mixing of the “n” components thereof, on the basis of different flows of said components with controlled concentrations and/or flow rates, said target product requiring a set of ranges of values of physiocohemical characteristics for the commercialization thereof. According to the method, a batch mixer or a continuous mixer is supplied with said components with controlled concentrations and/or flow rates.

Abstract: This invention concerns methods of determining properties of oil, especially crude oil with a spectrometer. This invention also concerns a crude oil analytical and single or multi-stream sampling device which is particularly suitable for the online measurement of crude oil properties with a spectrometer (8). This invention further concerns a crude oil sampling procedure which is particularly suitable for the online measurement of crude oil properties with a spectrometer.

Abstract: The invention relates to a method and a device for certifying and optimizing a mixture of components in order to obtain a target product by spectral analysis, preferably by (topological) spectral analysis in the near infra-red (“NIR”).

Abstract: The invention relates to a method for generating and optimizing a bank of spectral data that can be used in a method for characterizing a target product by means of topological spectral analysis based on a limited number of available standards, the method consisting of a first step of performing the same spectral analysis on the standards, and, from the spectra obtained, forming a bank of spectral data A at multiple wavelengths and/or wavelength ranges.

Abstract: The present invention relates to thermoplastic compositions comprising as impact modifier a rubber containing graft polymer prepared by the process of emulsion polymerization and recovered by a special process controlling and adjusting the pH value, the use of the thermoplastic compositions in the production of molded bodies, and to the molded, bodies themselves. The present invention relates also to thermoplastic compositions comprising a polymeric impact modifier with a core-shell structure made by a multistage process and recovered by a special process controlling and adjusting the pH value comprising at least one gradient polymer the use of the thermoplastic compositions in the production of molded bodies, and to the molded, bodies themselves.

Abstract: The present invention relates to a method for characterizing a sample-product X by spectral analysis by means of a novel spectrometer II using information acquired by means of a first spectrometer I.

Abstract: The invention relates to a method for determining the origin of a mixture of constituents by spectral analysis. The invention especially relates to a method for determining the concentration and origin of raw gases and/or crude oils in a mixing zone following mixing by the transport of said raw gases and/or crude oils that come from at least two different sources of extraction, said method comprising a specific spectral analysis.

Abstract: The invention relates to a method for optimizing a mixture of components for the production of a target product by means of spectral analysis, preferably by means of spectral analysis (topological) in the near infrared region (NIR). The aim of the method is to produce a target product by batch mixing and/or continuous mixing of the “n” components thereof, on the basis of different flows of said components with controlled concentrations and/or flow rates, said target product requiring a set of ranges of values of physiocohemical characteristics for the commercialization thereof. According to the method, a batch mixer or a continuous mixer is supplied with said components with controlled concentrations and/or flow rates.

Abstract: This invention concerns methods of determining properties of oil, especially crude oil with a spectrometer. This invention also concerns a crude oil analytical and single or multi-stream sampling device which is particularly suitable for the online measurement of crude oil properties with a spectrometer (8). This invention further concerns a crude oil sampling procedure which is particularly suitable for the online measurement of crude oil properties with a spectrometer.

Abstract: The present invention relates to new impact modifiers and a process for making these new impact modifiers and their use in polymeric compositions. More particularly the present invention relates to a new polymeric impact modifier with a core-shell structure made by a multistage polymerization process comprising at least one gradient polymer. The present invention relates as well to a process preparing such an impact modifier, especially its recovery process after the end of the polymerization. The present invention also relates to a thermoplastic composition comprising the new impact modifier.

Abstract: This invention relates to a method of detecting the transition, between a first compound and a second compound, of a product, which may contain such a first compound and/or such a second compound, and flowing inside a conduit for conveying this product.

Abstract: The invention relates to a method and a device for certifying and optimizing a mixture of components in order to obtain a target product by spectral analysis, preferably by (topological) spectral analysis in the near infra-red (“NIR”).

Abstract: The present invention relates to a method for characterizing a sample-product X by spectral analysis by means of a novel spectrometer II using information acquired by means of a first spectrometer I.

Abstract: The invention relates to a method for characterising a target product, including the steps of: (a) forming a bank of spectral data comprising samples; (b) having measured characteristics and spectra; (c) performing a spectral analysis of the target product and comparing the spectrum obtained with the spectral data in the data bank; (d) identifying the “near neighbour” points of the target product; and (e) performing a topological calculation of the characteristic of the target product as a function of the corresponding characteristics of the near neighbour points, based on a weighting linked to the inverse of the distance between the target product and the near neighbour points.

Abstract: The invention relates to a method for generating and optimising a bank of spectral data that can be used in a method for characterising a target product by means of topological spectral analysis based on a limited number of available standards, the method consisting of a first step of performing the same spectral analysis on the standards, and, from the spectra obtained, forming a bank of spectral data A at multiple wavelengths and/or wavelength ranges.

Abstract: The present invention relates to a process for producing impact modifiers, impact modified thermoplastic molding compositions and in particular impact modified polycarbonate or polycarbonate/polyester blends having improved resistance to degradation. More particularly the present invention relates to a process for producing polymeric impact modifiers with a core-shell structure made by a multistage process comprising a control and adjustment if necessary of the pH value before and during the recovery step.