Patents by Inventor Herbert Wolter

Herbert Wolter 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).

  • Patent number: 10259829
    Abstract: The invention relates to a silane or silane mixture obtainable by reacting a hydrolysable silane of the formula (A): SiR4 in which R is a hydrolytically condensable group or hydroxyl with a compound R*(OH)x where x is 1, 2, 3 or greater 3, where R* has a straight-chain or branched hydrocarbon skeleton which, according to the number x, is monovalent, divalent, trivalent or multivalent, and has a hydrocarbonaceous chain interrupted by at least two —C(O)O— groups, wherein there are a maximum of 8 successive carbon atoms in the individual hydrocarbon units formed by interruptions within this chain and the, or in the case of branched structures at least one, end of the hydrocarbonaceous chain at the opposite end to the sole hydroxyl group or one of the hydroxyl groups bears an organically polymerizable group, wherein the alcohol is otherwise unsubstituted or has further substituents.
    Type: Grant
    Filed: August 28, 2015
    Date of Patent: April 16, 2019
    Assignee: FRAUNHOFER-GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
    Inventors: Herbert Wolter, Somchith Nique, Kerstin Obel
  • Patent number: 10227364
    Abstract: The present invention relates to compounds and silicic acid (hetero)polycondensates comprising structures of formulas (1) and/or (2), R2 is a hydroxy group or a free carboxylic acid residue or a carboxylic acid ester derived therefrom or a salt derived therefrom, R3 denotes a residue having a hydrocarbon-containing branched or unbranched backbone which is bonded to silicon by carbon, and can be arbitrarily interrupted by heteroatoms or coupling groups or by other heteroatom-containing groups, where the zigzag line purely schematically denotes the hydrocarbon-containing backbone, the three not more closely characterized bonds of the Si-atom represent additional residues bonded to the silicon atom, selected from residues that can be hydrolyzed from silicon, hydroxy groups and residues bonded to silicon by carbon which can have the same meaning as R3 or can have a different meaning deviating therefrom, or represent oxygen bridges to further silicon atoms and/or other metal atoms in the case the structure (
    Type: Grant
    Filed: August 7, 2014
    Date of Patent: March 12, 2019
    Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
    Inventors: Herbert Wolter, Somchith Nique
  • Publication number: 20180132986
    Abstract: The invention relates to a dental prosthesis comprising a first inner sub-region which has a first organically polymerized material and a second outer sub-region, which has a second organically polymerized material that is an organically modified and organically polymerized silicic acid (hetero)polycondensate. The first inner sub-region has a flexural strength of over 80 MPa according to DIN EN ISO 4049: 2009 and a lower elastic modulus than the second outer sub-region, while the second, outer sub-region has a flexural strength of at least 100 MPa according to DIN EN ISO 4049: 2009. The first organically polymerized material is preferably also an organically modified and organically polymerized material.
    Type: Application
    Filed: April 8, 2016
    Publication date: May 17, 2018
    Applicant: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
    Inventors: Herbert Wolter, Florian Hausler, Jeannette Hoffmann
  • Publication number: 20170313726
    Abstract: The invention relates to a silane or silane mixture obtainable by reacting a hydrolysable silane of the formula (A): SiR4 in which R is a hydrolytically condensable group or hydroxyl with a compound R*(OH)x where x is 1, 2, 3 or greater 3, where R* has a straight-chain or branched hydrocarbon skeleton which, according to the number x, is monovalent, divalent, trivalent or multivalent, and has a hydrocarbonaceous chain interrupted by at least two —C(O)O— groups, wherein there are a maximum of 8 successive carbon atoms in the individual hydrocarbon units formed by interruptions within this chain and the, or in the case of branched structures at least one, end of the hydrocarbonaceous chain at the opposite end to the sole hydroxyl group or one of the hydroxyl groups bears an organically polymerizable group, wherein the alcohol is otherwise unsubstituted or has further substituents.
    Type: Application
    Filed: August 28, 2015
    Publication date: November 2, 2017
    Applicant: Fraunhofer-Gesellschaft Zur Forderung der Angewandten Forschung E.V.
    Inventors: Herbert WOLTER, Somchith NIQUE, Kerstin OBEL
  • Patent number: 9745391
    Abstract: A compound has at least three functionalities, including a first functionality (a) that is a sulfonate group or a sulfate group of the formula —(O)d—SO3M with d=0 or 1 and with M=hydrogen or a monovalent metal cation or a corresponding portion of a multivalent metal cation; a second functionality (b) that is a (meth)acryl residue; and a third functionality (c) that is a carboxylic acid function and/or a thioether group. When the compound is free of silicon, the sulfonate or sulfate group and the (meth)acryl residue are separated from each other by a hydrocarbon-containing residue having a carbon chain. The carbon chain is interrupted by S or NH, or the carbon chain contains a linking group, selected from C(O)NH, NHC(O), NR8C(O), NHC(O)O, NR8C(O)O, NHC(O)NH, C(O)NHC(O) and —C(O)S—, wherein R8 is alkyl or alkenyl or a (meth)acryl group.
    Type: Grant
    Filed: May 25, 2016
    Date of Patent: August 29, 2017
    Assignee: Fraunhofer-Gesellschaft zur Föderung der angewandten Forschung e.V.
    Inventors: Herbert Wolter, Mona Seyfried, Somchith Nique
  • Publication number: 20160369062
    Abstract: [Problem] To provide a polymerizable composition having an excellent transparency in near-infrared wavelength and excellent heat resistance, and a method for producing the same.
    Type: Application
    Filed: August 30, 2016
    Publication date: December 22, 2016
    Inventors: Michael Popall, Ruth Houbertz-Krauss, Sebastien Cochet, Herbert Wolter, Kentaro Ohmori, Tetsuo Sato
  • Publication number: 20160297901
    Abstract: A compound has at least three functionalities, including a first functionality (a) that is a sulfonate group or a sulfate group of the formula —(O)d—SO3M with d=0 or 1 and with M=hydrogen or a monovalent metal cation or a corresponding portion of a multivalent metal cation; a second functionality (b) that is a (meth)acryl residue; and a third functionality (c) that is a carboxylic acid function and/or a thioether group. When the compound is free of silicon, the sulfonate or sulfate group and the (meth)acryl residue are separated from each other by a hydrocarbon-containing residue having a carbon chain. The carbon chain is interrupted by S or NH, or the carbon chain contains a linking group, selected from C(O)NH, NHC(O), NR8C(O), NHC(O)O, NR8C(O)O, NHC(O)NH, C(O)NHC(O) and —C(O)S—, wherein R8 is alkyl or alkenyl or a (meth)acryl group.
    Type: Application
    Filed: May 25, 2016
    Publication date: October 13, 2016
    Inventors: Herbert Wolter, Mona Seyfried, Somchith Nique
  • Patent number: 9434818
    Abstract: [Problem] To provide a polymerizable composition having an excellent transparency in near-infrared wavelength and excellent heat resistance, and a method for producing the same.
    Type: Grant
    Filed: January 21, 2011
    Date of Patent: September 6, 2016
    Assignees: Fraundhofer-Gesellschaft zur Foerderung der angewandter Forschung e.V., Nissan Chemical Industries, Ltd.
    Inventors: Michael Popall, Ruth Houbertz-Krauss, Sebastien Cochet, Herbert Wolter, Kentaro Ohmori, Tetsuo Sato
  • Publication number: 20160185804
    Abstract: The present invention relates to compounds and silicic acid (hetero)polycondensates comprising structures of formulas (1) and/or (2), R2 is a hydroxy group or a free carboxylic acid residue or a carboxylic acid ester derived therefrom or a salt derived therefrom, R3 denotes a residue having a hydrocarbon-containing branched or unbranched backbone which is bonded to silicon by carbon, and can be arbitrarily interrupted by heteroatoms or coupling groups or by other heteroatom-containing groups, where the zigzag line purely schematically denotes the hydrocarbon-containing backbone, the three not more closely characterized bonds of the Si-atom represent additional residues bonded to the silicon atom, selected from residues that can be hydrolyzed from silicon, hydroxy groups and residues bonded to silicon by carbon which can have the same meaning as R3 or can have a different meaning deviating therefrom, or represent oxygen bridges to further silicon atoms and/or other metal atoms in the case the structure (
    Type: Application
    Filed: August 7, 2014
    Publication date: June 30, 2016
    Inventors: Herbert Wolter, Somchith Nique
  • Patent number: 9353226
    Abstract: The invention relates to a compound, comprising at least three functionalities, that is (a) a sulfonate or sulfate group of the formula —(O)d—SO3M with d=0 or 1 and M=hydrogen or a monovalent metal cation or the corresponding fraction of a polyvalent metal cation, (b) a (meth)acryl group, and (c) either (c1) at least one further (meth)acryl group or an inorganically condensable group, and/or (c2) a further carboxylic acid function, and/or (c3) a function which increases the refractive index of a material produced from the compounds, that is a thioether group, with the proviso that a sulfonate or sulfate group and a (meth)acrylate group are separated from one another in a silicon-free compound via a hydrocarbon-containing group, the carbon chain of which is either interrupted by O, S or NH or contains a linking group.
    Type: Grant
    Filed: May 24, 2012
    Date of Patent: May 31, 2016
    Assignee: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
    Inventors: Herbert Wolter, Mona Seyfried, Somchith Nique
  • Patent number: 9233992
    Abstract: The present invention relates to silicic acid (hetero)polycondensates comprising structural units of a following formula (1) wherein radicals, indices, and bonding symbols have the following meaning: R1 refers to a group that is accessible to a thiol-ene polyaddition when a thiol is added and can also be polymerized by a ROMP (ring opening metathesis polymerization), R2 is selected from (a) organically polymerizable groups that are available to a thiol-ene polyaddition when a thiol is added, but not to a ROMP, (b) —COOR8 with R8 equal to R4 or M1/xx+, (c) —OH or COOH, and (d) —(O)bP(O)(R5)2, wherein b is equal to 0 or 1, —SO3M1/xx+, NR72 or NR7+3.
    Type: Grant
    Filed: October 9, 2012
    Date of Patent: January 12, 2016
    Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
    Inventors: Herbert Wolter, Somclith Nique, Denise Bausen
  • Publication number: 20150355379
    Abstract: The invention relates to a layer or three-dimensional molded articles comprised of or composing an organically modified polysiloxane or a derivative thereof, the silicon atoms of which are completely or partially replaced with other metal atoms, wherein the organic share of the polysiloxane or derivative thereof has an organic cross-link with thiol-ene addition products bonded to silicon and/or to other metal atoms via carbon and/or oxygen, which are obtainable via a two-photon or multi-photon polymerization reaction, wherein the article has two areas with differing primary and/or secondary structures, available through the following process: a) Providing a substrate or a mold, b) Providing a material selected from sols, gels, and organically modified materials containing polysiloxanes, all of which contain metal and/or metalloid, wherein said provided material has free SH groups and isolated C?C double bonds, c) Applying or attaching the provided material on or to the substrate or pouring it into the mold,
    Type: Application
    Filed: January 13, 2014
    Publication date: December 10, 2015
    Inventors: Herbert Wolter, Ruth Houbertz-Krauss
  • Publication number: 20150355378
    Abstract: The invention relates to a layer or a three-dimensional molded article comprised of or composing an organically modified polysiloxane or a derivative thereof, the silicon atoms of which are completely or partially replaced with other metal atoms, wherein the organic share of the polysiloxane or derivative thereof has an organic cross-link with (i) C?C addition polymers and/or thiol-ene addition products bonded to silicon and/or to other metal atoms via carbon and/or oxygen, which are obtainable via a two-photon or multi-photon polymerization reaction, as well as with (ii) organic molecules integrated into the organic cross-link copolymerized via C?C double bonds or through a thiol-ene addition to double bonds or to SH groups of an organic radical, wherein the article has two areas with differing primary and/or secondary structures, available through the following process: a) Providing a substrate or a mold, b) Providing a material selected from sols, gels, and organically modified materials containing polysi
    Type: Application
    Filed: January 13, 2014
    Publication date: December 10, 2015
    Applicant: FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
    Inventors: Herbert Wolter, Ruth Houbertz-Krauss
  • Patent number: 9206205
    Abstract: The present invention relates to a process for a chain extension of radicals bonded to silicon via carbon in silanes or siloxanes while maintaining or increasing the number of functional groups on the respective Si—C-bonded radicals, wherein a silane or siloxane with a radical bonded to a silicon atom by a carbon atom, which bears at least two functional groups, wherein a first group of the functional groups is an unsaturated, organically polymerizable group and a second group of the functional groups is selected from among (a) additional unsaturated, organically polymerizable groups, (b) COOR8 or —(O)bP(O)(R5)2 and (c) —OH, with R8 equal to R4 or M1/xx+ wherein Mx+ is a hydrogen or an x-fold positively charged metal cation, and b=0 or 1, is converted in a first reaction with a compound of a formula (I) X—W—(Z)a??(I) wherein X is SH, NH2 or NHR4, Z is OH, the carboxylic acid radical —COOH or a salt or an ester of this radical or a silyl radical, W is a substituted or non-substituted hydrocarbon, the chain
    Type: Grant
    Filed: September 24, 2012
    Date of Patent: December 8, 2015
    Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
    Inventors: Herbert Wolter, Somchith Nique
  • Publication number: 20150274862
    Abstract: The present invention relates to a method for converting reactive groups of Si—C bound groups of silanes or siloxanes while simultaneously increasing the physical distance between said groups, the Si—C bound groups having the grouping-AW(Z)a, wherein A represents a coupling group selected from —S—, —NH—and NR3, where R3 represents an unsubstituted or substituted hydrocarbon group or a (meth)acryl group, W is a substituted or unsubstituted hydrocarbon group, the chain of which may be interrupted by one or more groups of —S—, —O—, —NH—, —NR 3—, —C(O)O—, —NHC(O)—, —C(O)NH—, —NHC(O)O—, —C(O)NHC(O)—, —NHC(O)NH—, —S(O)—, —C(S)O—, —C(S)NH—, —NHC(S)—, —NHC(S)O—, R3 having the aforementioned meaning, Z represents a functional group, which may be the same or different, selected from OH, the carboxylic acid group —COOH or a salt or an ester of said group, and a=2, 3, 4, 5 or a greater integer, characterized in that, in a single or second reaction, said groups of the silanes or siloxanes are either reacted with a comp
    Type: Application
    Filed: October 11, 2013
    Publication date: October 1, 2015
    Applicant: FRAUNHOFER-GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
    Inventors: Herbert Wolter, Somchith Nique
  • Publication number: 20150148446
    Abstract: The present invention relates to an organically-modified, organically cross-linked silicic acid (hetero) polycondensate or composite, comprising an organically-modified, organically cross-linked silicic acid (hetero) polycondensate and a filler, for intraoral application, particularly for application when repairing an existing dental replacement in the mouth of a patient or for applying an enamel layer to an anatomically-reduced, milled crown base body already located in the mouth of a patient, wherein said existing dental replacement or said crown base body is comprised of a material having free hydroxy, carboxyl, thio or amino groups, or forming these on its surface following a physical-chemical treatment and/or potentially having active C?C double bonds, comprising the following steps in the mouth of the patient: (a) If necessary, processing of the previously existing dental replacement to remove damaged or no longer necessary elements, (b) Applying a bonding agent to the surface of said potentially proce
    Type: Application
    Filed: May 3, 2013
    Publication date: May 28, 2015
    Inventors: Herbert Wolter, Florian Hausler
  • Publication number: 20140248584
    Abstract: The present invention relates to an organically modified silicic acid (hetero) polycondensate or a composite comprising an organically modified silicic acid (hetero) polycondensate and a filler material for use in a dental procedure, particularly in a dental medicine procedure comprising at least a part or all of the following steps: (a) Transfer of said organically modified silicic acid (hetero) polycondensate or said composite in the form of a block and hardening of said block through organic cross-linking, preferably in a thermal and/or redox-induced manner, (b) Intra-oral measuring of the area requiring treatment in the mouth of the patient or a model or impression of this area outside the patient's mouth with the aid of a 3D imaging device, (c) Transfer of the produced imaging data to a computer unit, (d) Production of a virtual design to be inserted in the mouth of the patient with the aid of said computer unit, then either (e1) Grinding out a fully anatomical form of this design from a block made of
    Type: Application
    Filed: October 10, 2012
    Publication date: September 4, 2014
    Inventors: Herbert Wolter, Florian Hausler
  • Publication number: 20140249325
    Abstract: The present invention relates to silicic acid (hetero) polycondensates comprising structural units of a following formula (1) wherein radicals, indices, and bonding symbols have the following meaning: R1 refers to a group that is accessible to a thiol-ene polyaddition when a thiol is added and can also be polymerized by a ROMP (ring opening metathesis polymerization), R2 is selected from (a) organically polymerizable groups that are available to a thiol-ene polyaddition when a thiol is added, but not to a ROMP, (b) —COOR8 with R8 equal to R4 or M1/xx+, (c) —OH or COOH, and (d) —(O)bP(O)(R5)2, wherein b is equal to 0 or 1, —SO3M1/xx+, NR72 or NR7+3, wherein Mx+ is an x-fold positively charged metal cation, R4 is a non-substituted or substituted hydrocarbon radical, the radicals R5 independently represent a non-substituted or substituted hydrocarbon radical or OR6 and R6 is hydrogen or a non-substituted or substituted hydrocarbon radical, R7 has either the same meaning as R4 or two radicals R7 together repr
    Type: Application
    Filed: October 9, 2012
    Publication date: September 4, 2014
    Applicant: Fraunhofer-Gesellschaft Foerderung der angewandten Forschung e,V,
    Inventors: Herbert Wolter, Somclith Nique, Denise Bausen
  • Publication number: 20140221521
    Abstract: The present invention relates to a process for a chain extension of radicals bonded to silicon via carbon in silanes or siloxanes while maintaining or increasing the number of functional groups on the respective Si—C-bonded radicals, wherein a silane or siloxane with a radical bonded to a silicon atom by a carbon atom, which bears at least two functional groups, wherein a first group of the functional groups is an unsaturated, organically polymerizable group and a second group of the functional groups is selected from among (a) additional unsaturated, organically polymerizable groups, (b) COOR8 or —(O)bP(O)(R5)2 and (c) —OH, with R8 equal to R4 or M1/xx+ wherein Mx+ is a hydrogen or an x-fold positively charged metal cation, and b=0 or 1, is converted in a first reaction with a compound of a formula (I) X—W—(Z)a??(I) wherein X is SH, NH2 or NHR4, Z is OH, the carboxylic acid radical —COOH or a salt or an ester of this radical or a silyl radical, W is a substituted or non-substituted hydrocarbon, the c
    Type: Application
    Filed: September 24, 2012
    Publication date: August 7, 2014
    Inventors: Herbert Wolter, Somchith Nique
  • Patent number: 8748647
    Abstract: A polycondensate wherein R is alkylene, arylene, or alkylene-aryiene with 1-10 C, optionally containing O, S, carboxyl or amino; R1 is Z?-substituted alkylene, arylene, or alkylene-aryiene with 1-10 C, optionally containing O, S, carboxyl or amino; R? is alkyl. alkenyl, aryl, alkylaryl, or arylalkyl with 1-20 C; R3 is a bond to another Si or metal atom or is H or alkyl with 1-10 C; B and B? is an organically polymerizable group with at least one C?C bond and at least 2 C or —R2aSiX4-a or —R2aR1bSiX4-a-b, where R2 is alkylene with 1-10 C; Z? is —NH—C(O)O—, —NH—C(O)—, bonded via NH to B?, or —CO(O)—, wherein when C is bonded to B?, B?—Z?— is not acrylate if B contains acrytate, and B?—Z?— is not methacrylate if B contains methacrylate, wherein a is 1 or 2, b is 0 or 1. X may undergo hydrolytic condensation to Si—O—Si.
    Type: Grant
    Filed: October 1, 2010
    Date of Patent: June 10, 2014
    Assignee: Fraunhofer—Gesellschaft zur Föderung der angewandten Forschung e.V.
    Inventor: Herbert Wolter