Patents by Inventor Klaus Stoll
Klaus Stoll 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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Publication number: 20110230109Abstract: Disclosed are electret materials with outstanding thermal and charge stability. The electret materials comprise a melt blend of a thermoplastic polymer and one or more compounds selected from the aromatic trisamides. The aromatic trisamides are for example of the formula The melt blends are subjected to an electret treatment, for example a corona treatment. The electret materials are for example nonwoven polyolefin webs and are employed as filter materials, wipes, absorbent materials, filter masks, acoustic materials, printing substrates, measuring devices or contactless switches. The present electret materials may also comprise a further additive selected from the hindered amine light stabilizers and the hydroxyphenylalkylphosphonic esters or monoesters.Type: ApplicationFiled: June 2, 2011Publication date: September 22, 2011Inventors: Hui Chin, Andrew J. Leggio, Matthew E. Gande, Anthony D. DeBellis, Sai P. Shum, Per Magnus Kristiansen, Klaus Stoll
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Publication number: 20110144246Abstract: The invention relates to a composition comprising a) an aliphatic polyester, b) a phenolic antioxidant, c) a phosphite or phosphonite, and d) a thiosynergist.Type: ApplicationFiled: June 23, 2009Publication date: June 16, 2011Applicant: BASF SEInventors: Raphael Dabbous, Stefano Gardi, Mirko Rossi, Marcel Santi, Klaus Stoll
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Publication number: 20110136931Abstract: A composition comprising the Components (A) at least one linear olefin polymer; (B) 0.05 to 2%, relative to the weight of Component (A), of at least one photoinitiator; and (C) 0.05 to 5%, relative to the weight of Component (A), of at least one co-additive containing one or more double bonds.Type: ApplicationFiled: January 7, 2009Publication date: June 9, 2011Applicant: BASF SEInventors: Natalia Kukaleva, Klaus Stoll, Marcel Santi
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Publication number: 20110008560Abstract: A composition comprising the components (I) an aliphatic polyester-based resin selected from the group consisting of polyhydroxyalkanoates with 3 to 8 carbon atoms in the repeating unit, and (II) a divalent metal alcoholate.Type: ApplicationFiled: December 18, 2008Publication date: January 13, 2011Applicant: BASF SEInventors: Raphael Dabbous, Klaus Stoll
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Patent number: 7790793Abstract: A composition containing a) a natural or synthetic polymer and b) one or more compounds of the formula (I), (II) or (III) wherein R1, R2 and R3 or Y1, Y2 and Y3 or Z1, Z2 and Z3 are e.g. branched C3-C20alkyl.Type: GrantFiled: February 9, 2004Date of Patent: September 7, 2010Assignee: Ciba Specialty Chem. Corp.Inventors: Hans-Werner Schmidt, Markus Blomenhofer, Klaus Stoll, Hans-Rudolf Meier
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Publication number: 20090318593Abstract: A process for improving the flow properties of a melt containing a thermoplastic polymer, which comprises incorporating 0.005% to 0.5% by weight, relative to the weight of the thermoplastic polymer, of one or more additives selected from the group consisting of organic and inorganic compounds with needle-like morphology in their solid state into said thermoplastic polymer prior to or during melt processing.Type: ApplicationFiled: September 21, 2006Publication date: December 24, 2009Inventors: Klaus Stoll, Kurt Hoffmann, Bruno Rotzinger, Hans-Werner Schmidt
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Publication number: 20090258560Abstract: A microporous film made of a composition containing A) 100 to 60 parts by weight of a polypropylene homopolymer, B) 0 to 40 parts by weight of a low density polyethylene or a polyethylene copolymer with butene, hexene or octene, and C) 0.005 to 0.5% by weight, relative to the weight of component A), of at least one beta-nucleating agent selected from the class consisting of organic compounds containing trisamide moieties; the film having a water vapor-permeability of ?200 g/m2 d at 23° C./50% r.h. or ?800 g/m2 d at 23° C./85% r.h.Type: ApplicationFiled: September 26, 2006Publication date: October 15, 2009Inventors: Per Magnus Kristiansen, Hartmut Römling, Klaus Stoll, Markus Kolb
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Publication number: 20090208718Abstract: An extruded air cooled blown film having a) a total thickness of 5 to 500 ?m, b) a mono-layer structure or 2 to 9 coextruded layers, c) at least one layer L containing a polymer selected from the group consisting of polypropylene homopolymers, polypropylene random copolymers, hetero-phasic polypropylene block copolymers, or any mixtures thereof, said polymer having a melt flow rate, according to ASTM D-1238, of 0.1 to 10 dg/min at 230° C. and 2.16 kg, said layer L further containing 0.001 to 2%, relative to the weight of the polymer, of a particular nucleating agent, and optionally d) a Modulus according to EN ISO 527 enhanced by at least 10% versus a reference film without the nucleating agent.Type: ApplicationFiled: March 19, 2007Publication date: August 20, 2009Inventors: Klaus Stoll, Karl-Heinz Hornbach
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Publication number: 20090111719Abstract: An additive mixture containing the components (A), (B) and optionally (C), wherein component (A) is at least one compound of the formula (I) wherein p is zero or 1; m and n are independently of one another an integer from zero to 3; and the radicals R are independently of one another C1-C8alkyl, C1-C8alkoxy, hydroxy, halogen, C1-C8alkylthio, C1-C8alkylsulfoxy or 2 radicals R form together with 2 adjacent carbon atoms of the unsaturated parent ring a 5- to 7-membered carbocyclic or heterocyclic ring; component (B) is at least one compound of the formula (II) wherein x and y are independently of one another an integer from 2 to 10; the radicals A1, A2 and A3 are independently of one another C1-C10alkyl, C5-C12cycloalkyl unsubstituted or substituted by 1 to 3 C1-C10alkyl; phenyl unsubstituted or substituted by 1 to 3 C1-C10alkyl; or C7-C12-phenylalkyl, and the radicals A2 and A3 are additionally hydrogen; with the proviso that at least one of the radicals A1 and A2 is branched C3-C10alkyl, C5-C12cycloaType: ApplicationFiled: December 18, 2008Publication date: April 30, 2009Inventors: Klaus Stoll, Urs Hirt, Judy Van De Langkruis
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Publication number: 20080249269Abstract: Disclosed are electret materials with outstanding thermal and charge stability. The electret materials comprise a melt blend of a thermoplastic polymer and one or more compounds selected from the aromatic trisamides. The aromatic trisamides are for example of the formula The melt blends are subjected to an electret treatment, for example a corona treatment. The electret materials are for example nonwoven polyolefin webs and are employed as filter materials, wipes, absorbent materials, filter masks, acoustic materials, printing substrates, measuring devices or contactless switches. The present electret materials may also comprise a further additive selected from the hindered amine light stabilizers and the hydroxyphenylalkylphosphonic esters or monoesters.Type: ApplicationFiled: March 27, 2008Publication date: October 9, 2008Inventors: Hui Chin, Andrew J. Leggio, Matthew E. Gande, Anthony D. DeBellis, Sai P. Shum, Per Magnus Kristiansen, Klaus Stoll
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Publication number: 20070246685Abstract: A process for preparing a pulverulent alditol acetal composition, which comprises a) mixing, in the presence or absence of other constituents, an aqueous alditol acetal composition having a solids content (SC) of between 40 and 75%, relative to the weight of the total aqueous alditol acetal composition, and an antioxidant in solid or liquid form or an antioxidant composition in solid or liquid form, containing one or more antioxidants, and b) drying of the mixture obtained under a). This process makes it possible to obtain pulverulent alditol acetal compositions that have improved density, particle size and flow characteristics.Type: ApplicationFiled: June 29, 2005Publication date: October 25, 2007Applicant: CIBA SPECIALTY CHEMICALS HOLDING INC.Inventors: Herve Wyart, Klaus Stoll
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Publication number: 20070149663Abstract: A composition containing a) a natural or synthetic polymer and b) one or more compounds of the formula (I), (II) or (III) wherein R1, R2 and R3 or Y1, Y2 and Y3 or Z1, Z2 and Z3 are e.g. branched C3-C20alkyl.Type: ApplicationFiled: February 9, 2004Publication date: June 28, 2007Inventors: Hans-Werner Schmidt, Markus Blomenhofer, Klaus Stoll, Hans-Rudolf Meier
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Publication number: 20070032581Abstract: An additive mixture containing the components (A), (B) and optionally (C), wherein component (A) is at least one compound of the formula (I) wherein p is zero or 1; m and n are independently of one another an integer from zero to 3; and the radicals R are independently of one another C1-C8alkyl, C1-C8alkoxy, hydroxy, halogen, C1-C8alkylthio, C1-C8alkylsulfoxy or 2 radicals R form together with 2 adjacent carbon atoms of the unsaturated parent ring a 5- to 7-membered carbocyclic or heterocyclic ring; component (B) is at least one compound of the formula (II) wherein x and y are independently of one; another an integer from 2 to 10; the radicals A1, A2 and A3 are independently of one another C1-C10alkyl, C5-C12cycloalkyl unsubstituted or substituted by 1 to 3 C1-C10alkyl; phenyl unsubstituted or substituted by 1 to 3 C1-C10alkyl; or C7-C12phenylalkyl, and the radicals A2 and A3 are additionally hydrogen; with the proviso that at least one of the radicals A1 and A2 is branched C3-C10alkyl, C5-C12cycloalkyl unsubType: ApplicationFiled: September 22, 2004Publication date: February 8, 2007Inventors: Klaus Stoll, Urs Hirt, Judy Van De Langkruis
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Publication number: 20050176859Abstract: A mixture of a polyester or a polyamide, such as poly(ethylene terephthalate) PET, and a suitable stabilizer selected from the group consisting of certain Mannich base compounds, when extrusion compounded exhibits a lower residual acetaldehyde content than does PET or polyamide alone when similarly treated. The invention pertains to any polyester or polyamide used in the manufacture of molded articles, fibers, or films, for instance bottles or containers which are used to store consumer materials, for example food, beverages and water.Type: ApplicationFiled: October 1, 2002Publication date: August 11, 2005Inventors: Michael Tinkl, Stephen Andrews, Jan Voldrich, Melissa Stamp, Roger Reinicker, Paul Odorisio, Walter Fischer, Daniel Muller, Natacha Berthelon, Dirk Simon, Klaus Stoll
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Patent number: 6593485Abstract: The invention relates to a stabilizer composition comprising at least one processing stabilizer selected from special phosphite, mono- and diphosphonite compounds, at least one acid scavenger selected from the group consisting of selected metal stearates, hydrotalcites, oxides, hydroxides of alkaline earth metals, at least one UV stabilizer selected from compounds containing at least one 2,2,6,6-tetraalkylpiperidinyl-group and optionally at least one sterically hindered phenolic antioxidant. A further subject matter of the invention is a solid masterbatch composition or a liquid concentrate comprising above-mentioned stabilizer composition. The invention relates also to a process for stabilizing polymeric materials selected from the group consisting of special polyolefins comprising adding to the polymeric material a stabilizing quantity of said stabilizing composition.Type: GrantFiled: April 10, 1997Date of Patent: July 15, 2003Assignee: Clariant Finance (BVI) LimitedInventors: Klaus Stoll, Andreas Thuermer, Rainer Wolf
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Publication number: 20020016389Abstract: The instant invention relates to synergistic stabilizer compositions for thermoplastic polymers comprisingType: ApplicationFiled: April 25, 2001Publication date: February 7, 2002Applicant: CLARIANT FINANCE (BVI) LIMITEDInventors: Ernesto Dongiovanni, Christoph Krohnke, Jan Malik, Klaus Stoll, Matthias Zah
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Patent number: 6126736Abstract: The invention relates to a process of using certain piperidine compounds of formula I ##STR1## in which R.sub.1 is hydrogen, hydroxyl, lower alkyl, lower alkoxy or acyl,R.sub.2 is a substituted or unsubstituted mono- or bicyclic radical which is aromatic in type,R.sub.3 is oxygen, --NH-- or --N(C.sub.1-4 -alkyl)-- andR.sub.8 independently at each occurrence is hydrogen or methylfor stabilizing natural or synthetic, organic or inorganic pigments or pigment mixtures in natural or synthetic, polymeric or prepolymeric substrates against the adverse effects of heat and/or light on the light fastness and color stability, respectively, especially against alterations in shade or light-induced bleaching. The invention also relates to a masterbatch composition.Type: GrantFiled: February 17, 1998Date of Patent: October 3, 2000Assignee: Clariant Finance (BVI) LimitedInventors: Klaus Stoll, Andreas Thuermer, Gilbert Ligner, Joseph Reni Webster
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Patent number: 6103796Abstract: A homogeneous blended additive useful as a processing stabilizer for polymers which is a blend of Component (a), a defined phosphite or phosphonite; and Component (b) which is micronized zinc oxide. Component (b) is preferably in an amount of 5 to 10% based on the weight of component (a). This additive composition improves the resistance of phosphites and phosphonites against hydrolysis in the presence of moisture, by providing Component (b) as a hydrolysis stabilizer for Component (a).Type: GrantFiled: October 3, 1997Date of Patent: August 15, 2000Assignee: Clariant Finance (BVI) LimitedInventors: Peter Staniek, Klaus Stoll, Rainer Wolf
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Patent number: 6063843Abstract: Disclosed is a process for stabilizing polyamides against the damage effected by light, heat and/or oxidation while improving the differential dyeability, and processing stability therefore, comprising incorporating therein by melt-processing a synergistic additive system resulting in a uniform and intimate mixture with said polyamide, said additive system is selected from the group consisting of (I), (II) and (III)(I) is from 0.01% to 1% by weight of a sterically hindered phenylphosphonite (Ia) with from 0.05% to 5% by weight of oxanilide (Ib) or said (Ia) together with from 0.05% to 5% by weight of an aromatic di- or tri-carbonyl compound containing at least one, and preferably two hindered amine moieties (Ic);(II) is from 0.05% to 5% by weight of oxanilide (IIa) together with from 0.05% to 5% by weight of a aromatic di- or tri-carbonyl compound (IIb) containing at least one hindered amine moieties;(III) is from 0.01% to 1% by weight of a sterically hindered phenyl phosphonite (Ia), from 0.Type: GrantFiled: August 24, 1998Date of Patent: May 16, 2000Assignee: Clariant Finance (BVI) LimitedInventors: Mohamed Sidqi, Klaus Stoll, Jan Malik, Joseph Reni Webster
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Patent number: 5834662Abstract: The present invention relates to an arrangement for the rotary actuation of an apparatus, for example of a crane, on a chassis or a foundation wherein a worm gear (1) and a housing (2) are secured on the foundation, a worm (3) is rotationally displaceable manually, or by a drive motor, and a worm wheel (4) is rotationally mounted to the housing (2). The worm wheel (4) is provided at both sides (6a, 6b) of its gearing (6) with a separate rolling bearing (10, 11, 12). Advantageously, housing (2) is formed with a base part (2a) and a cover part (2b) which can be flatly fixed on top of the base part (2a), and at least one end side of the worm wheel comprises a connection attachment which intersperses the base and/or the cover part.Type: GrantFiled: October 17, 1996Date of Patent: November 10, 1998Assignee: IMO-Industrie-Momentenlager Stoll & Russ GmbHInventors: Klaus Stoll, Erich Russ