Patents by Inventor Ralf Hala
Ralf Hala has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11186716Abstract: The invention relates to a polyamide moulding compound consisting of an amorphous, microcrystalline or partially crystalline polyamide or mixtures hereof, at least one impact modifier, hollow glass balls and also further additives. The invention likewise relates to moulded articles produced from this polyamide moulding compound.Type: GrantFiled: August 31, 2016Date of Patent: November 30, 2021Assignee: EMS-Patent AGInventors: Martin Sütterlin, Georg Stöppelmann, Ralf Hala, Ulrich Presenz
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Publication number: 20170058123Abstract: The invention relates to a polyamide moulding compound consisting of an amorphous, microcrystalline or partially crystalline polyamide or mixtures hereof, at least one impact modifier, hollow glass balls and also further additives. The invention likewise relates to moulded articles produced from this polyamide moulding compound.Type: ApplicationFiled: August 31, 2016Publication date: March 2, 2017Applicant: EMS-PATENT AGInventors: Martin SÜTTERLIN, Georg STÖPPELMANN, Ralf HALA, Ulrich PRESENZ
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Patent number: 9403942Abstract: A transparent, amorphous polyamide molding compound contains polyamides which are formed by polycondensation of a linear aliphatic dicarboxylic acid with a cycloaliphatic diamine and also blends thereof, and also additives and/or colorants. The linear aliphatic dicarboxylic acid is selected from dicarboxylic acids with 17 to 21 C atoms and the diamine is bis(3-methyl-4-aminocyclohexyl)methane (MACM) and cross-linking additives, in the case of the additives, and photochromic colorants, in the case of the colorants, are precluded.Type: GrantFiled: September 28, 2009Date of Patent: August 2, 2016Inventors: Friedrich Severin Bühler, Ralf Hala
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Patent number: 8586664Abstract: The invention relates to polyamide molding material for the production of transparent or colorable moldings with high flexibility, high notched impact strength (Charpy), low water absorption and excellent chemical resistance, comprising at least one partly crystalline, transparent copolyamide (A) with a glass transition temperature (Tg) of at most 80° C. and a melting temperature of at least 150° C., and a heat of fusion of at least 20 J/g, where the glass transition temperature (Tg), the melting temperature (Tm) and the heat of fusion (HF) are determined according to ISO 11357-1/2, under conditions where the differential scanning calorimetry (DSC) is performed with a heating rate of 20 K/min, wherein the copolyamide (A) includes no aromatic dicarboxylic acids.Type: GrantFiled: June 18, 2009Date of Patent: November 19, 2013Assignee: EMS-Patent AGInventors: Friedrich Severin Buhler, Ralf Hala, Sepp Bass
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Patent number: 8563653Abstract: Polyamide moulding compounds for the production of unvarnished moulded articles with a high-gloss surface and outstandin toughness are provided. By means of moulded articles which are produced with very high surface quality from the moulding compounds, the complex, cost-intensive and frequently environmentally impacting varnishing processes can be avoided.Type: GrantFiled: March 30, 2009Date of Patent: October 22, 2013Assignee: EMS-Patent AGInventors: Friedrich Severin Buehler, Etienne Aepli, Sepp Bass, Ralf Hala
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Patent number: 8309643Abstract: The present invention relates to polyamide moulding compounds which have very low distortion with good mechanical properties. This is achieved by a combination of transparent polyamide with fibrous reinforcing materials and also particulate fillers. The moulding compounds according to the invention are used for the production of any moulded articles, semi-finished products or finished products.Type: GrantFiled: August 4, 2010Date of Patent: November 13, 2012Assignee: EMS-Chemie AGInventors: Helmut Thullen, Christian Rytka, Friedrich-Severin Buehler, Ralf Hala
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Patent number: 8101281Abstract: The invention relates to an optical filter which comprises at least one optically effective layer and a protective layer on both sides, with at least one of the protective layers being a non-stretched protective polyamide layer which is cast from the solution. The optical filter in accordance with the invention is characterized in that the at least one protective polyamide layer consists of PA MACMI/12 and optional aggregates chosen as required. The at least one protective polyamide layer has a content of laurolactam of 23 mole percent to 57 mole percent in relation to the entire polyamide.Type: GrantFiled: March 3, 2010Date of Patent: January 24, 2012Assignee: EMS-Patent AGInventor: Ralf Hala
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Patent number: 8044171Abstract: The invention relates to a polyamide molding material or copolyamide molding material and the use of such a polyamide molding material or copolyamide molding material for producing steam-sterilizable transparent moldings and extrudates. This polyamide molding material is characterized in that it comprises at least one copolyamide formed from 35-42 mol % of bis(4-amino-3-methylcyclohexyl)methane (MACM), 35-42 mol % of isophthalic acid (IPS) and 16-30 mol % of laurolactam (LC12). MACM may be replaced up to 50% by bis(4-aminocyclohexyl)-methane (PACM) and IPA up to 50% by terephthalic acid (TPA). The polyamide molding material may also be a blend of copolyamides or a blend of copolyamides with polyamide 12. The relative viscosity (RV) of the polyamide molding material or copolyamide molding material is in any case adjusted to a value which is greater than 1.45.Type: GrantFiled: January 31, 2006Date of Patent: October 25, 2011Assignee: EMS-Chemie AGInventors: Friedrich Severin Buhler, Ralf Hala
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Patent number: 7993755Abstract: A polyamide molding composition is described, comprising at least one transparent polyesteramide in a proportion by weight of from 70 to 99.99% by weight; at least one further polymer in a proportion by weight of from 0 to 30% by weight; at least one photochromic dye in a proportion by weight of from 0.01 to 2% by weight; and also optionally further dyes and/or additives. The invention further encompasses articles manufactured therefrom, e.g. foils, for the coating of photochromic ophthalmic lenses, or the like.Type: GrantFiled: July 16, 2008Date of Patent: August 9, 2011Assignee: EMS-Patent AGInventors: Ralf Hala, Botho Hoffmann, Nikolai Lamberts
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Patent number: 7985008Abstract: The present invention relates to a plastic component having a visible part that is made in one single layer from a plastic molding compound and that comprises a transparent or translucent matrix, and having a light source that comprises one or more lamp elements, situated under the surface of the visible part. The visible part is implemented as essentially opaque in relation to daylight and transparent or translucent in relation to the light emitted by the lamp elements. The visible part also contains admixed effect pigments and defines a surface appearance image which, when the light source is inactive, essentially corresponds to the surface appearance image of the remaining wall of an object in which the plastic component is installed and which, when the light source is active, is essentially determined by the light source activity.Type: GrantFiled: October 4, 2006Date of Patent: July 26, 2011Assignee: EMS-Chemie AGInventors: Michael Kaisser, Ralf Hala, Werner Kägi
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Publication number: 20110143113Abstract: The invention relates according to a first aspect to a sealing strip (11) for vehicle windows and according to a second aspect to a use of thermoplastics for producing such multilayered sealing strips (11), which comprise at least a first, elastic layer (12) made of a thermoplastic elastomer and a second, harder layer (13), the first layer (12) being implemented to exert a sealing function between a construction element (14) of the vehicle and a surface (15,15?) of a windowpane (16) movable in relation to the sealing strip (11), and the second layer (13) being implemented as a visible cover for at least the largest, otherwise visible part of the first layer (12), and the first layer (12) and the second layer (13) being bonded to one another over essentially the entire length of the sealing strip (11). The sealing strips (11) as well as the use according to the invention are characterized in that the second layer (13) is made of a transparent or translucent polyamide.Type: ApplicationFiled: June 4, 2008Publication date: June 16, 2011Applicant: EMS-PATENT AGInventors: Minoru Hatta, Michael Kaisser, Pascal Laouenan, Marcus Bayer, Werner Kaegi, Ralf Hala
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Publication number: 20110105697Abstract: The invention relates to polyamide moulded masses based on semi-crystalline, transparent copolyamides predominantly based on aliphatic monomers, for producing transparent or pigmentable moulded parts with a high level of flexibility, high notch-impact strength (Charpy), low water absorbency and excellent resistance to chemicals, containing between 40 and 100 wt. % of at least one transparent copolyamide (constituent A) with a maximum glass transition temperature (Tg) of 80° C. and a melting temperature of at least 150° C.Type: ApplicationFiled: June 18, 2009Publication date: May 5, 2011Applicant: EMS-PATENT AGInventors: Friedrich Severin Buhler, Ralf Hala, Sepp Bass
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Patent number: 7875361Abstract: Relates to the use of a thermoplastic polymer molding compound for producing metallically coated light-reflecting components based on thermoplastics, which are suitable for operating temperatures of at least 200° C. The polymer molding compound used according to the present invention is characterized in that it comprises polyamides which are selected from a group which comprises homopolyamides, copolyamides, and mixtures (blends) made of homopolyamides and copolyamides and mixtures made of homopolyamides or copolyamides, these polyamides being selected from a group which comprises amorphous and transparent polyamides, and these polyamides having a glass transition temperature (Tg) of at least 205° C. Light-reflecting components produced according to the use according to the present invention are suitable for operating temperatures of at least 200° C. and comprise reflectors for traveling lights of vehicles, for signal and lighting devices, and reflectors for solar collectors.Type: GrantFiled: November 9, 2006Date of Patent: January 25, 2011Assignee: EMS-Chemie AGInventors: Ralf Hala, Michael Kaisser, Friedrich Buhler
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Publication number: 20100323185Abstract: Relates to the use of a thermoplastic polymer molding compound for producing metallically coated light-reflecting components based on thermoplastics, which are suitable for operating temperatures of at least 200° C. The polymer molding compound used according to the present invention is characterized in that it comprises polyamides which are selected from a group which comprises homopolyamides, copolyamides, and mixtures (blends) made of homopolyamides and copolyamides and mixtures made of homopolyamides or copolyamides, these polyamides being selected from a group which comprises amorphous and transparent polyamides, and these polyamides having a glass transition temperature (Tg) of at least 205° C. Light-reflecting components produced according to the use according to the present invention are suitable for operating temperatures of at least 200° C. and comprise reflectors for traveling lights of vehicles, for signal and lighting devices, and reflectors for solar collectors.Type: ApplicationFiled: November 9, 2006Publication date: December 23, 2010Applicant: EMS-Chemie AGInventors: Ralf Hala, Michael Kaisser, Friedrich Buhler
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Publication number: 20100297373Abstract: The present invention relates to polyamide moulding compounds which have very low distortion with good mechanical properties. This is achieved by a combination of transparent polyamide with fibrous reinforcing materials and also particulate fillers. The moulding compounds according to the invention are used for the production of any moulded articles, semi-finished products or finished products.Type: ApplicationFiled: August 4, 2010Publication date: November 25, 2010Inventors: Helmut Thullen, Christian Rytka, Friedrich-Severin Buehler, Ralf Hala
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Publication number: 20100227163Abstract: The invention relates to an optical filter which comprises at least one optically effective layer and a protective layer on both sides, with at least one of the protective layers being a non-stretched protective polyamide layer which is cast from the solution. The optical filter in accordance with the invention is characterized in that the at least one protective polyamide layer consists of PA MACMI/12 and optional aggregates chosen as required. The at least one protective polyamide layer has a content of laurotactam of 23 mole percent to 57 mole percent in relation to the entire polyamide.Type: ApplicationFiled: March 3, 2010Publication date: September 9, 2010Applicant: EMS-PATENT AGInventor: Ralf HALA
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Publication number: 20100144963Abstract: A transparent, amorphous polyamide moulding compound contains polyamides which are formed by polycondensation of a linear aliphatic dicarboxylic acid with a cycloaliphatic diamine and also blends thereof, and also additives and/or colourants. The linear aliphatic dicarboxylic acid is selected from dicarboxylic acids with 17 to 21 C atoms and the diamine is bis(3-methyl-4-aminocyclohexyl)methane (MACM) and cross-linking additives, in the case of the additives, and photochromic colourants, in the case of the colourants, are precluded.Type: ApplicationFiled: September 28, 2009Publication date: June 10, 2010Inventors: Friedrich Severin Bühler, Ralf Hala
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Publication number: 20100022742Abstract: The invention relates to a polyamide molding material or copolyamide molding material and the use of such a polyamide molding material or copolyamide molding material for producing steam-sterilizable transparent moldings and extrudates. This polyamide molding material is characterized in that it comprises at least one copolyamide formed from 35-42 mol % of bis(4-amino-3-methylcyclohexyl)methane (MACM), 35-42 mol % of isophthalic acid (IPS) and 16-30 mol % of laurolactam (LC12). MACM may be replaced up to 50% by bis(4-aminocyclohexyl)-methane (PACM) and IPA up to 50% by terephthalic acid (TPA). The polyamide molding material may also be a blend of copolyamides or a blend of copolyamides with polyamide 12. The relative viscosity (RV) of the polyamide molding material or copolyamide molding material is in any case adjusted to a value which is greater than 1.45.Type: ApplicationFiled: January 31, 2006Publication date: January 28, 2010Inventors: Friedrich Severin Buhler, Ralf Hala
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Publication number: 20090247699Abstract: The invention relates to a polyamide moulding compound, containing a) 95 to 5% by weight of an amorphous copolyamide of the formula PA MACMI/MACMT/12 ?with a MACMI proportion in the copolyamide in the range of 5 to 95% by weight, MACMT proportion in the range of 0 to 90% by weight and LC12 proportion in the range of 5 to 60% by weight, the sum of these three proportions in the copolyamide a) being 100% by weight, b) 5 to 95% by weight of an amorphous or microcrystalline or partially crystalline polyamide of the formula PA(MACMX)x/(PACMY)y/(MXDU)u/(LCZ)z ?the proportions x, y, u and z of the four monomer groups being respectively between 0 and 100% by weight, the sum of these four proportions in polyamide b) being 100% by weight; X, Y and U meaning dicarboxylic acids, selected from the group comprising DC4, DC6, DC9, DC10, DC11, DC12, DC13, DC14, DC15 to DC36, and LCZ lactams or corresponding amino carboxylic acids selected from the group comprising LC4, LC6, LC11 and LC12, c) 1 to 30% by weight atType: ApplicationFiled: March 30, 2009Publication date: October 1, 2009Inventors: Friedrich Severin Buehler, Etienne Aepli, Sepp Bass, Ralf Hala
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Publication number: 20090029154Abstract: A polyamide molding composition is described, comprising at least one transparent polyesteramide in a proportion by weight of from 70 to 99.99% by weight; at least one further polymer in a proportion by weight of from 0 to 30% by weight; at least one photochromic dye in a proportion by weight of from 0.01 to 2% by weight; and also optionally further dyes and/or additives. The invention further encompasses articles manufactured therefrom, e.g. foils, for the coating of photochromic ophthalmic lenses, or the like.Type: ApplicationFiled: July 16, 2008Publication date: January 29, 2009Applicant: Ems-Patent AGInventors: Ralf Hala, Botho Hoffmann, Nikolai Lamberts