Patents by Inventor Marie-Claire Hermant
Marie-Claire Hermant 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: 20220389621Abstract: The present invention relates to the use of a filament comprising a core material (CM) comprising a ceramic material precursor (CMP) and the core material (CM) is coated with a layer of shell material (SM) comprising a thermoplastic polymer as a support material in a fused filament fabrication process. Further, the invention relates to three-dimensional objects and a process for the preparation thereof.Type: ApplicationFiled: August 1, 2022Publication date: December 8, 2022Inventors: Jordan Thomas KOPPING, Marie-Claire HERMANT, Kris SCHMIDT, Nikolaus NESTLE, Alexander KOEHLER
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Publication number: 20220341011Abstract: The present invention relates in a first aspect to an iron-based alloy powder containing non-spherical particles and at least 40% of the total amount of particles have a non-spherical shape. The alloy mandatorily comprises the elements Fe (iron), Cr (chrome) and Mo (molybdenum). Furthermore, the alloy may comprise further elements such as C (carbon), Ni (nickel), Nb (niobium) or Si (silicon). The present invention relates, according to a second aspect, to an iron-based alloy powder wherein the alloy comprises the elements Fe, Cr and Mo and the iron-based alloy powder is produced by an ultra-high liquid atomization process comprising at least two stages as defined below.Type: ApplicationFiled: September 3, 2020Publication date: October 27, 2022Inventors: Rudolf SEILER, Cecile MUELLER-WEITZEL, Matthias WANGER, Rene ARBTER, Thorsten Martin STAUDT, Marie-Claire HERMANT
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Publication number: 20220331857Abstract: The present invention relates to an iron-based alloy powder containing non-spherical particles wherein the alloy comprises the elements Fe (iron), Cr (chrome) and Mo (molybdenum), and at least 40% of the total amount of particles have a non-spherical shape. In said iron-based alloy powder, Cr is present at 10.0 wt. % to 18.3 wt. %, Mo is present at 0.5 wt. % to 2.5 wt. %, C is present at 0 to 0.30 wt. %, Ni is present at 0 to 4.0 wt. %, Cu is present at 0 to 4.0 wt. %, Nb is present at 0 to 0.7 wt. %, Si is present at 0 to 0.7 wt. % and N is present at 0 to 0.20 wt. %, the balance up to 100 wt. % is Fe.Type: ApplicationFiled: September 3, 2020Publication date: October 20, 2022Inventors: Rudolf SEILER, Cecile MUELLER-WEITZEL, Matthias Johannes WAGNER, Rene ARBTER, Thorsten MArtin STAUDT, Marie-Claire HERMANT, Harald LEMKE, Jonathan TRENKLE
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Publication number: 20220314320Abstract: The present invention relates to an iron-based alloy powder wherein the alloy comprises the elements Fe (iron), Cr (chrome) and Mo (molybdenum) and the iron-based alloy powder is produced by an ultra-high liquid atomization process comprising at least two stages as defined below.Type: ApplicationFiled: September 3, 2020Publication date: October 6, 2022Inventors: Rudolf SEILER, Cecile MUELLER-WEITZEL, Matthias Johannes WAGNER, Rene ARBTER, Thorsten Martin STAUDT, Marie-Claire HERMANT
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Patent number: 11434587Abstract: The present invention relates to the use of a filament comprising a core material (CM) comprising a ceramic material precursor (CMP) and the core material (CM) is coated with a layer of shell material (SM) comprising a thermoplastic polymer as a support material in a fused filament fabrication process. Further, the invention relates to three-dimensional objects and a process for the preparation thereof.Type: GrantFiled: December 6, 2017Date of Patent: September 6, 2022Assignee: BASF SEInventors: Jordan Thomas Kopping, Marie-Claire Hermant, Kris Schmidt, Nikolaus Nestle, Alexander Koehler
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Patent number: 10961384Abstract: Poly-1,3-dioxepane, poly-1,3-dioxolane, polytetrahydrofurane or mixtures thereof are used in molding materials comprising polyoxymethylene or a copolymer containing a majority of oxymethylene units, for improving the flexural toughness of moldings formed from the molding materials.Type: GrantFiled: May 20, 2015Date of Patent: March 30, 2021Assignee: BASF SEInventors: Bernd-Steffen Von Bernstorff, Marie-Claire Hermant, Martin Blömacher
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Patent number: 10501869Abstract: A filament containing a core material (CM) coated with a layer of shell material (SM), wherein the (CM) contains the components a) to c): a) 30 to 80% by volume, based on the total volume of the C) of at least one inorganic powder (IP), b) 20 to 70% by volume, based on the total volume of the CM of at least one binder (B) comprising component b1) b1) at least one polymer (P) and c) optionally at least one additive, wherein the at least one polymer (P) is a polyoxymethylene (POM) homopolymer, a POM copolymer or POM terpolymer and wherein at least some of the OH-end groups of the PO) homopolymer are capped, and the SM contains the components d) to f): d) 75 to 100% by volume, based on the total volume of the SM of at least one thermoplastic polymer, e) optionally at least one inorganic powder (IP), and f) optionally at least one additive, wherein the thickness of the layer of shell material is 0.05 to 0.5 mm.Type: GrantFiled: July 7, 2016Date of Patent: December 10, 2019Assignee: BASF SEInventors: Paul Van Der Schaaf, Bruno Inderbitzin, Marie-Claire Hermant, Martina Schömer
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Publication number: 20190352804Abstract: The present invention relates to the use of a filament comprising a core material (CM) comprising a ceramic material precursor (CMP) and the core material (CM) is coated with a layer of shell material (SM) comprising a thermoplastic polymer as a support material in a fused filament fabrication process. Further, the invention relates to three-dimensional objects and a process for the preparation thereof.Type: ApplicationFiled: December 6, 2017Publication date: November 21, 2019Inventors: Jordan Thomas KOPPING, Marie-Claire HERMANT, Kris SCHMIDT, Nikolaus NESTLE, Alexander KOEHLER
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Patent number: 10456834Abstract: The present invention relates to an improved process for the production of sintered moldings by molding a mixture of a sinterable ceramic or metallic powder and polyoxymethylene or a copolymer containing a majority of oxymethylene units as binder to give a compact, removing the binder from the compact by treatment with a gaseous acid, and sintering the resulting molding.Type: GrantFiled: June 1, 2015Date of Patent: October 29, 2019Assignee: BASF SEInventors: Marie-Claire Hermant, Bernd-Steffen Von Bernstorff
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Patent number: 10421269Abstract: The present invention relates to the use of a polymer comprising polymerized units (A) and (B): (A) at least one first monomer of the formula (I) where n is 3 to 12; m is 0 to 3; R1 is C1-C10-alkyl, C2-C10-alkenyl, aryl or aralkyl; R2, R3 and R4 are each, independently of one another, hydrogen, C1-C10-alkyl, C2-C10-alkenyl, aryl or aralkyl; and (B) at least one second monomer of the formula (II) where R5, R6 and R7 are each, independently of one another, hydrogen, C1-C10-alkyl, C2-C10-alkenyl, aryl or aralkyl; R8 is C1-C20-alkyl, C2-C10alkenyl, aryl or aralkyl; as a support material in a fused filament fabrication process.Type: GrantFiled: February 17, 2015Date of Patent: September 24, 2019Assignee: BASF SEInventors: Marie-Claire Hermant, Nikolaus Nestle, Stephan Hueffer
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Publication number: 20180202076Abstract: The invention relates to a filament comprising a core material (CM) comprising an inorganic powder (IP) and the core material (CM) is coated with a layer of shell material (SM) comprising a thermoplastic polymer. Further, the invention relates to a process for the preparation of said filament, as well as to three-dimensional objects and a process for the preparation thereof.Type: ApplicationFiled: July 7, 2016Publication date: July 19, 2018Inventors: Paul VAN DER SCHAAF, Bruno INDERBITZIN, Marie-Claire HERMANT, Martina SCHÖMER
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Publication number: 20180185919Abstract: The present invention relates to an improved process for the production of sintered moldings by molding a mixture of a sinterable ceramic or metallic powder and polyoxymethylene or a copolymer containing a majority of oxymethylene units as binder to give a compact, removing the binder from the compact by treatment with a gaseous acid, and sintering the resulting molding.Type: ApplicationFiled: June 1, 2015Publication date: July 5, 2018Inventors: MARIE-CLAIRE HERMANT, Bernd-Steffen VON BERNSTORFF
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Patent number: 9765172Abstract: The patent application relates to a process for preparing polyoxymethylene by polymerization of a reaction mixture (RG) which comprises at least one formaldehyde source and at least one initiator mixture (IG), wherein the initiator mixture (IG) comprises at least one polymerization initiator and at least one solvent of the general formula (I) R1—O—[—R3—O—]m—R2??(I), where m is 1, 2, 3 or 4; R1 and R2 are each, independently of one another, C3-C6-alkyl; R3 is C1-C5-alkylene.Type: GrantFiled: May 26, 2014Date of Patent: September 19, 2017Assignee: BASF SEInventors: Laurence Pottie, Juergen Demeter, Marie-Claire Hermant
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Publication number: 20170114216Abstract: Poly-1,3-dioxepane, poly-1,3-dioxolane, polytetrahydrofurane or mixtures thereof are used in molding materials comprising polyoxymethylene or a copolymer containing a majority of oxymethylene units, for improving the flexural toughness of moldings formed from the molding materials.Type: ApplicationFiled: May 20, 2015Publication date: April 27, 2017Applicant: BASF SEInventors: BERND-STEFFEN VON BERNSTORFF, Marie-Claire HERMANT, Martin BLÖMACHER
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Publication number: 20170057176Abstract: The present invention relates to the use of a polymer comprising polymerized units (A) and (B): (A) at least one first monomer of the formula (I) where n is 3 to 12; m is 0 to 3; R1 is C1-C10-alkyl, C2-C10-alkenyl, aryl or aralkyl; R2, R3 and R4 are each, independently of one another, hydrogen, C1-C10-alkyl, C2-C10-alkenyl, aryl or aralkyl; and (B) at least one second monomer of the formula (II) where R5, R6 and R7 are each, independently of one another, hydrogen, C1-C10-alkyl, C2-C10-alkenyl, aryl or aralkyl; R8 is C1-C20-alkyl, C2-C10alkenyl, aryl or aralkyl; as a support material in a fused filament fabrication process.Type: ApplicationFiled: February 17, 2015Publication date: March 2, 2017Applicant: BASF SEInventors: Marie-Claire HERMANT, Nikolaus NESTLE, Stephan HUEFFER
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Publication number: 20160115270Abstract: The patent application relates to a process for preparing polyoxymethylene by polymerization of a reaction mixture (RG) which comprises at least one formaldehyde source and at least one initiator mixture (IG), wherein the initiator mixture (IG) comprises at least one polymerization initiator and at least one solvent of the general formula (I) R1—O—[—R3—O—]m—R2??(I), where m is 1, 2, 3 or 4; R1 and R2 are each, independently of one another, C3-C6-alkyl; R3 is C1-C5-alkylene.Type: ApplicationFiled: May 26, 2014Publication date: April 28, 2016Applicant: BASF SEInventors: Laurence POTTIE, Juergen DEMETER, Marie-Claire HERMANT
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Publication number: 20160083499Abstract: The invention relates to polyoxymethylene copolymers with medium molecular weight, processes for producing these, and their use. The invention furthermore relates to thermoplastic compositions which comprise mixtures of polyoxymethylene homo- or copolymers, production of these, use of these for producing metallic or ceramic moldings, and the resultant moldings.Type: ApplicationFiled: April 14, 2014Publication date: March 24, 2016Inventors: Bernd-Steffen VON BERNSTORFF, Marie-Claire HERMANT
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Publication number: 20160024293Abstract: The use of a mixture (M) comprising (a) from 40 to 70% by volume of an inorganic powder (IP) based on the total volume of the mixture (M), (b) from 30 to 60% by volume based on the total volume of the mixture (M) of a binder (B) comprising (b1) from 50 to 96% by weight of at least one polyoxymethylene (POM) based on the total weight of the binder (B), (b2) from 2 to 35% by weight of at least one polyolefin (PO) based on the total weight of the binder (B), (b3) from 2 to 40% by weight of at least one further polymer (FP) based on the total weight of the binder (B) in a fused filament fabrication process.Type: ApplicationFiled: July 22, 2015Publication date: January 28, 2016Applicant: BASF SEInventors: Nikolaus NESTLE, Marie-Claire Hermant, Kris Schmidt