Patents by Inventor Hans Reichert
Hans Reichert 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: 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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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: 10557047Abstract: The present invention relates to specific Ga-naphthalocyanine chromophores with short chain alkoxy axial substituents, 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: April 30, 2015Date of Patent: February 11, 2020Assignee: BASF SEInventors: Hans Reichert, Yves Bron, Helmut Reichelt, Marina Schiller
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Patent number: 10522767Abstract: Provided is a 4-oxoquinoline compounds of the formula (I) (I) wherein A is selected from diradicals of the formulae (A.1), (A.2), (A.3), (A.4), (A.5) and (A.6), (A.1) (A.2) (A.3) (A.4) (A.5) (A.6) wherein R1, R2a, R2b, R3, R3a, if present R4a, R4b, R 5a, R5b, R6a, R6b, R6c, R6d, Rn1, Rn2, Rn3, Rn4, Rm5, Rm6, Rm7, Rm8, R7, R8a, R9 and R9a are as defined in the claims and in the description. Also provided is a method for their preparation and their use.Type: GrantFiled: September 29, 2015Date of Patent: December 31, 2019Assignees: BASF SE, Max-Planck-Gesellschaft zur Foerderung der Wissenschaften e.V.Inventors: Thomas Gessner, Helmut Reichelt, Hans Reichert, Daniel Jaensch, Long Chen, Klaus Muellen
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Publication number: 20180251644Abstract: The present invention relates to specific Ga-naphthalocyanine chromophores with short chain alkoxy axial substituents, 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: May 4, 2018Publication date: September 6, 2018Applicant: BASF SEInventors: Hans REICHERT, Yves Bron, Helmut Reichelt, Marina Schiller
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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: 20170327465Abstract: A 4-hydroxquinoline compound has the formula (I) wherein A is selected from diradicals of the formulae (A.1), (A.2), (A.3), (A.4), (A.5), and (A.6) wherein R1, R2a, R2b, R3, if present R4a, R4b, R5a, R5b, R6a, R6b, R6c, R6d, Rn1, Rn2, Rn3, Rn4, Rm5, Rm6, Rm7, Rm8, R7, R8a, R9 are as defined in the description.Type: ApplicationFiled: September 29, 2015Publication date: November 16, 2017Applicants: BASF SE, Max-Planck-Gesellschaft zur Foerderung der Wissenschaften e.V.Inventors: Thomas GESSNER, Helmut REICHELT, Hans REICHERT, Daniel JAENSCH, Long CHEN, Klaus MUELLEN
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Publication number: 20170331049Abstract: Provided is a 4-oxoquinoline compounds of the formula (I) (I) wherein A is selected from diradicals of the formulae (A.1), (A.2), (A.3), (A.4), (A.5) and (A.6), (A.1) (A.2) (A.3) (A.4) (A.5) (A.6) wherein R1, R2a, R2b, R3, R3a, if present R4a, R4b, R5a, R5b, R6a, R6b, R6c, R6d, Rn1, Rn2, Rn3, Rn4, Rm5, Rm6, Rm7, Rm8, R7, R8a, R9 and R9a are as defined in the claims and in the description. Also provided is a method for their preparation and their use.Type: ApplicationFiled: September 29, 2015Publication date: November 16, 2017Applicants: BASF SE, Max-Planck-Gesellschaft zur Foerderung der Wissenschaften e.VInventors: Thomas GESSNER, Helmut REICHELT, Hans REICHERT, Daniel JAENSCH, Long CHEN, Klaus MUELLEN
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Publication number: 20170051166Abstract: The present invention relates to specific Ga-naphthalocyanine chromophores with short chain alkoxy axial substituents, 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: April 30, 2015Publication date: February 23, 2017Applicant: BASF SEInventors: Hans Reichert, Yves Bron, Helmut Reichelt, Marina Schiller
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Publication number: 20170018717Abstract: The present invention relates to compounds of the formula I wherein X1, X2 are O or C(CN)2; A is selected from wherein, if present, X3, X4 are O or C(CN)2 and m, R4a, R4b, R5a, R5b, R6a, R6b, R6c, R6d, R7a, R7a, R8a, R8b, R9, R10a, R10b, Rm1, Rm2, Rm3 and Rm4 are as defined in the claims and description. The present invention also relates to a method for their preparation and their use as semiconductors, in particular as semiconductors in organic electronics and organic photovoltaics.Type: ApplicationFiled: February 24, 2015Publication date: January 19, 2017Inventors: THOMAS GESSNER, Helmut REICHELT, Thomas WEITZ, Michael EUSTACHI, Daniel JAENSCH, Long CHEN, Artem N. SKABEEV, Klaus MUELLEN, Hans REICHERT
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Patent number: 9310766Abstract: The present invention is in the field of security documents, more particularly in the field of security elements aimed to protect security documents against copying (illegal reproduction) and counterfeiting. It discloses a security element having a security feature which changes its visual appearance after irradiation with light, especially with UV light and at rotation and/or tilting. Security documents comprising said security element, as well as a method for producing said security element, are also disclosed.Type: GrantFiled: September 27, 2011Date of Patent: April 12, 2016Assignee: BASF SEInventors: Thomas Bolle, Hans Reichert, Michelle Richert, Igor Zhurminsky, Marc Schnieper
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Patent number: 8945239Abstract: The invention relates to novel inorganic brighteners, a process for their preparation and their use for brightening substrates. More specifically, the novel inorganic brighteners are phosphors characterized in that they have (i) an absorption maximum in the range of from 350 to 375 nm; (ii) a steep decrease of the absorption band near 400 nm; (iii) a quantum yield of the phosphorescence of at least 0.8; and (iv) a phosphorescence maximum in the range between 415 and 445 nm.Type: GrantFiled: April 10, 2007Date of Patent: February 3, 2015Assignee: Ciba Corp.Inventors: Christian Fabian, Bernhard Seider, Hans Reichert
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Publication number: 20130208327Abstract: The present invention is in the field of security documents, more particularly in the field of security elements aimed to protect security documents against copying (illegal reproduction) and counterfeiting. It discloses a security element having a security feature which changes its visual appearance after irradiation with light, especially with UV light and at rotation and/or tilting. Security documents comprising said security element, as well as a method for producing said security element, are also disclosed.Type: ApplicationFiled: September 27, 2011Publication date: August 15, 2013Applicant: BASF SEInventors: Thomas Bolle, Hans Reichert, Michelle Richert, Igor Zhurminsky, Marc Schnieper
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Publication number: 20120100395Abstract: The present invention relates to a device for monitoring integral value of time, temperature comprising at least one layer of polymer comprising a latent pigment capable of undergoing at least one colour change, and an organic acid; or comprising one layer of polymer comprising a latent pigment capable of undergoing at least one colour change, and one layer of polymer comprising an organic acid, wherein said latent pigment is converted to its pigmentary form which causes said colour change. The device can be used for monitoring sterilization of medical and kitchen supplies, canned foods and doneness of microwave foods.Type: ApplicationFiled: May 5, 2010Publication date: April 26, 2012Applicant: BASF SEInventors: Leonhard Feiler, Hans Reichert, VĂ©ronique Hall-Goulle, Thomas Raimann