Patents by Inventor Oliver Seeger
Oliver Seeger 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: 12359070Abstract: The present invention relates to naphthalocyanine and phthalocyanine chromophores of formula (I), their use as almost colourless IR absorbers, for optical filter applications, especially for plasma display panels, or for laser welding of plastics. The compounds may be used in compositions for inks, paints and plastics, especially in a wide variety of printing systems and are particularly well-suited for security applications.Type: GrantFiled: February 10, 2020Date of Patent: July 15, 2025Assignee: BASF SEInventors: Hans Reichert, Rene Fischer, Marie-Pascale Perritaz, Helmut Reichelt, Oliver Seeger, Korinna Dormann
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Publication number: 20240219366Abstract: The present invention relates to a method of detecting a counterfeit, or adulterated petroleum fuel, comprising: a) emitting a modulated light beam from a modulated light source to a marked petroleum fuel in a chamber, wherein the marked petroleum fuel comprising a fuel additive, a mixture of a fluid petroleum fuel and a marker, wherein the marker is selected from the group consisting of organic IR absorbing compounds and mixtures thereof; b) producing an acoustic signal from the marker in the chamber, in response to the emitted modulated light beam; c) detecting the acoustic signal via a sensor disposed in the chamber; d) transmitting the acoustic signal from the sensor to a processor based module; and determining the marker and a concentration of the marker in the marked petroleum fuel via the processor based module, from the acoustic signal.Type: ApplicationFiled: April 13, 2022Publication date: July 4, 2024Inventors: Hans REICHERT, Oliver SEEGER, Korinna DORMANN
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Publication number: 20230303608Abstract: The present invention relates to particles of a compound of formula M (I), wherein M is selected from Ni, Pd and Pt, X1 and X2 are each independently of each other sulfur or oxygen, R1, R2, R3, and R4 are independently selected from an unsubstituted, or substituted al- kyl group, an unsubstituted, or substituted cycloalkyl group, an unsubstituted or substi- tuted aryl group and an unsubstituted or substituted heteroaryl group, wherein the particles have a median particle size (D50) in the range of from 30 nm to 90 nm, preferably from 40 nm to 80 nm, more preferably 50 to 70 nm with D10 being greater than 20 nm, especially greater than 25 nm, very especially greater than 30 nm, their use as almost colourless IR absorbers, for optical filter applications, especially for plasma display panels, or for laser welding of plastics. The compounds may be used in compositions for inks, paints and plastics, especially in a wide variety of printing systems and are particularly well-suited for security applications.Type: ApplicationFiled: July 9, 2021Publication date: September 28, 2023Inventors: Hans REICHERT, Oliver SEEGER, Helmut REICHELT, Korinna DORMANN, Holger LEYBACH
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Publication number: 20230295439Abstract: The present invention relates to particles of naphthalocyanine and phthalocyanine chromophores of formula (I) having a number average particle size in the range of from 10 nm to 80 nm with standard deviation being less than 40 nm, their use as almost colourless IR absorbers, for optical filter applications, especially for plasma display panels, or for laser welding of plastics. The compounds may be used in compositions for inks, paints and plastics, especially in a wide variety of printing systems and are particularly well-suited for security applications.Type: ApplicationFiled: June 22, 2021Publication date: September 21, 2023Inventors: Holger LEYBACH, Hans REICHERT, Oliver SEEGER, Korinna DORMANN, Helmut REICHELT
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Publication number: 20220332715Abstract: The present invention relates to a new crystal form of the compound of formula and a process for its preparation. The compound may be used in compositions for inks, paints and plastics, especially in a wide variety of printing systems and is particularly well-suited for security applications.Type: ApplicationFiled: August 13, 2020Publication date: October 20, 2022Inventors: Helmut REICHELT, Christian DOERR, Gerd ROLLAR, Hans REICHERT, Oliver SEEGER, Korinna DORMANN
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Publication number: 20220098413Abstract: The present invention relates to naphthalocyanine and phthalocyanine chromophores of formula (I), their use as almost colourless IR absorbers, for optical filter applications, especially for plasma display panels, or for laser welding of plastics. The compounds may be used in compositions for inks, paints and plastics, especially in a wide variety of printing systems and are particularly well-suited for security applications.Type: ApplicationFiled: February 10, 2020Publication date: March 31, 2022Inventors: Hans REICHERT, Rene FISCHER, Marie-Pascale PERRITAZ, Helmut REICHELT, Oliver SEEGER, Korinna DORMANN
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Publication number: 20210388223Abstract: The present invention relates to microparticle compositions comprising an organic IR absorbing pigment having a main absorption maximum in the range from 750 to 1100 nm. The invention also relates to a process for producing said microparticle compositions and to their use in a printing ink, in particular in a printing ink, which is suitable for producing a security feature or a security document. The microparticles of the pigment composition contain the organic IR absorbing pigment as solid particles, which are surrounded by or embedded in an aminoplast polymer, which is a polycondensation product of one or more amino compounds and one or more aldehydes. The microparticle based pigment composition is characterized by a volume based particle size distribution, as determined by static light scattering according to ISO 13320:2009 EN, having a D(4,3) value in the range from 1.0 to 15.0 ?m.Type: ApplicationFiled: October 17, 2019Publication date: December 16, 2021Inventors: Roland Hinrich STAFF, Yannick FUCHS, Helmut REICHELT, Hans REICHERT, Oliver SEEGER, Korinna DORMANN, Bernd Dieter OSCHMANN
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Patent number: 11161866Abstract: The present invention relates to a new crystal form of bis(diphenylimidazolidinetrithione-?S4, ?S5)-, (SP-4-1)-nickel(II), a printing ink formulation for security printing and security documents, comprising the new crystal form of bis(diphenylimidazolidinetrithione-?S4, ?S5)-, (SP-4-1)-nickel(II) as well as its use as IR absorber.Type: GrantFiled: September 18, 2018Date of Patent: November 2, 2021Assignee: BASF SEInventors: Helmut Reichelt, Hans Reichert, Oliver Seeger, Korinna Dormann, Rene Fischer, Christian Doerr
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Publication number: 20210292588Abstract: A process for producing strongly adherent liquid crystal films on flexible substrates, security elements, obtainable by the process and security documents, including the security elements, may involve coating a flexible substrate first with a primer layer and then with a liquid crystal film the adherence of the liquid crystal film to the substrate is improved while keeping the optical performance of the liquid crystal film in an acceptable range.Type: ApplicationFiled: April 23, 2019Publication date: September 23, 2021Applicant: BASF SEInventors: Michelle RICHERT, Oliver SEEGER
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Publication number: 20210086545Abstract: Processes can produce strongly adherent, particularly embossed, films on flexible substrates. Security elements may be obtained by such processes as may be security documents, e.g., comprising the security elements. By coating a flexible substrate first with a primer layer and then with an embossed film, the adherence of the embossed film to the substrate may be improved while keeping the optical performance of the embossed film.Type: ApplicationFiled: April 23, 2019Publication date: March 25, 2021Applicant: BASF SEInventors: Oliver SEEGER, Michelle RICHERT
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Patent number: 10703923Abstract: The present invention relates to the use of specific naphthalocyanine chromophores with different axial substituents as almost colourless IR absorbers for security printing applications.Type: GrantFiled: May 31, 2016Date of Patent: July 7, 2020Assignee: BASF SEInventors: Hans Reichert, Yves Bron, Helmut Reichelt, Oliver Seeger
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Publication number: 20200190127Abstract: The present invention relates to a new crystal form of bis(diphenylimidazolidinetrithione-?S4, ?S5)-, (SP-4-1)-nickel(II), a printing ink formulation for security printing and security documents, comprising the new crystal form of bis(diphenylimidazolidinetrithione-?S4, ?S5)-, (SP-4-1)-nickel(II) as well as its use as IR absorber.Type: ApplicationFiled: September 18, 2018Publication date: June 18, 2020Applicant: BASF SEInventors: Helmut REICHELT, Hans REICHERT, Oliver SEEGER, Korinna DORMANN, Rene FISCHER, Christian DOERR
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Patent number: 10252561Abstract: The present invention relates to complex security elements based on liquid crystal coatings which are subsequently coated with specific metallic nano-shaped metal particles, a method for their manufacture, in particular on a glass, paper or on a plastic substrate and a security product obtainable using the security element. The security element may contain additionally an embossed surface relief microstructure, especially an optically variable image (an optically variable device, OVD), such as a hologram. A further aspect of the invention is the use of such a security element for the prevention of counterfeit or reproduction of a document of value.Type: GrantFiled: May 16, 2014Date of Patent: April 9, 2019Assignee: BASF SEInventors: Michelle Richert, Oliver Seeger, Nikolay A. Grigorenko
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Publication number: 20180148586Abstract: The present invention relates to the use of specific naphthalocyanine chromophores with different axial substituents as almost colourless IR absorbers for security printing applications.Type: ApplicationFiled: May 31, 2016Publication date: May 31, 2018Applicant: BASF SEInventors: Hans REICHERT, Yves BRON, Helmut REICHELT, Oliver SEEGER
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Publication number: 20160101642Abstract: The present invention relates to complex security elements based on liquid crystal coatings which are subsequently coated with specific metallic nano-shaped metal particles, a method for their manufacture, in particular on a glass, paper or on a plastic substrate and a security product obtainable using the security element. The security element may contain additionally an embossed surface relief microstructure, especially an optically variable image (an optically variable device, OVD), such as a hologram. A further aspect of the invention is the use of such a security element for the prevention of counterfeit or reproduction of a document of value.Type: ApplicationFiled: May 16, 2014Publication date: April 14, 2016Inventors: Michelle RICHERT, Oliver SEEGER, Nikolay A. GRIGORENKO
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Patent number: 9222024Abstract: The present invention relates to a process for producing polymerized films with line texture or fingerprint texture or for producing substrates coated with polymerized films with line texture or fingerprint texture, to polymerized films, obtainable by this process, with line texture or fingerprint texture or substrates coated with polymerized films with line texture or fingerprint texture, to pigments obtainable by comminuting such films, to the use of such films, substrates or pigments as or in optical filter(s), polarizers, decorative media, forgeryproof markers, reflective media or for focusing light (in solar cells), to the use of such films as an antibacterial coating, to a forgeryproof marker which comprises such a film, and to a process for detecting forgeryproof markings.Type: GrantFiled: April 20, 2011Date of Patent: December 29, 2015Assignee: BASF SEInventors: Jochen Brill, Ulrich Schalkowsky, Thomas Musiol, Claus Hoffmann, Olivier Enger, Oliver Seeger
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Publication number: 20110255073Abstract: The present invention relates to a process for producing polymerized films with line texture or fingerprint texture or for producing substrates coated with polymerized films with line texture or fingerprint texture, to polymerized films, obtainable by this process, with line texture or fingerprint texture or substrates coated with polymerized films with line texture or fingerprint texture, to pigments obtainable by comminuting such films, to the use of such films, substrates or pigments as or in optical filter(s), polarizers, decorative media, forgeryproof markers, reflective media or for focusing light (in solar cells), to the use of such films as an antibacterial coating, to a forgeryproof marker which comprises such a film, and to a process for detecting forgeryproof markings.Type: ApplicationFiled: April 20, 2011Publication date: October 20, 2011Applicant: BASF SEInventors: Jochen BRILL, Ulrich Schalkowsky, Thomas Musiol, Claus Hoffmann, Olivier Enger, Oliver Seeger
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Publication number: 20080319109Abstract: Solid pigment preparations comprising as essential components (A) 80 to 99.5% by weight of a pigment component comprising at least one organic pigment (A1) and one inorganic pigment (A2) and (B) 0.5 to 20% by weight of at least one water-soluble/water-dilutable aldehyde resin or ketone resin.Type: ApplicationFiled: December 21, 2006Publication date: December 25, 2008Applicant: BASF SEInventors: Ruth Bauer, Oliver Seeger, Kirill Bramnik
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Patent number: 7449239Abstract: Use of luster pigments based on a platelet-shaped metallic substrate coated with a low refractive dielectric layer which does not absorb visible light, for pigmenting macromolecular materials.Type: GrantFiled: April 14, 2004Date of Patent: November 11, 2008Assignee: BASF AktiengesellschaftInventors: Oliver Seeger, Norbert Mronga, Gunter Etzrodt, Arno Bohm
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Publication number: 20080249224Abstract: Use of luster pigments based on a platelet-shaped metallic substrate coated with a low refractive dielectric layer which does not absorb visible light, for pigmenting macromolecular materials.Type: ApplicationFiled: June 17, 2008Publication date: October 9, 2008Applicant: BASF AkiengesellschaftInventors: Oliver SEEGER, Norbert Mronga, Gunter Etzrodt, Arno Bohm