Patents by Inventor Marten Rooth
Marten Rooth 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: 20250073219Abstract: The invention relates to a plurality of coated particles containing a solid core containing one of the compounds lenalidomide and pomalidomide, or a pharmaceutically acceptable salt thereof. The core has a mean diameter of the between 0.1 pm and 50 pm. The core is a coated by a coating surrounding, enclosing and/or encapsulating the core. The coating contains a mixed oxide selected from the group consisting of iron oxide, zinc oxide, silicon oxide, titanium oxide, and aluminium oxide.Type: ApplicationFiled: June 10, 2022Publication date: March 6, 2025Inventors: Joel HELLRUP, Jonas FRANSSON, Mårten ROOTH, Anders JOHANSSON, David WESTBERG, Erik LINDAHL
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Publication number: 20250041208Abstract: There is provided a pharmaceutical or veterinary formulation comprising: (a) a biologically-active agent in admixture with a pharmaceutically- or veterinarily-acceptable extended-release component; (b) an antiinflammatory agent; and (c) a pharmaceutically- or veterinarily-acceptable injectable carrier. An extended-release component may also be applied to the antiinflammatory agent.Type: ApplicationFiled: December 8, 2022Publication date: February 6, 2025Inventors: Anders JOHANSSON, Mårten ROOTH, Joel HELLRUP, David WESTBERG
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Publication number: 20240277749Abstract: There is provided a pharmaceutical formulation that is useful in the treatment of myelodysplastic syndrome, comprising a plurality of particles suspended in an aqueous carrier system, which particles: (a) have a weight-, number-, or volume-based mean diameter that is between amount 10 nm and about 700 ?m; and (b) comprise solid cores comprising azacitidine, or a pharmaceutically-acceptable salt thereof, coated, at least in part, by a coating of inorganic material comprising mixture of: (i) zinc oxide; and (ii) one or more other metal and/or metalloid oxides, wherein the atomic ratio ((i):(ii)) is between at least 1:6 and up to and including about 6:1. Said mixed oxide coated particles are preferably synthesized via a gas phase coating technique, such as atomic layer deposition. The formulation may provide for the delayed or sustained release of azacitidine to treat myelodysplastic syndrome without a burst effect.Type: ApplicationFiled: June 10, 2022Publication date: August 22, 2024Inventors: Anders JOHANSSON, Mårten ROOTH, Erik LINDAHL, Joel HELLRUP, David WESTBERG
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Publication number: 20240277624Abstract: There is provided a pharmaceutical formulation that is useful in delivering a biologic active drug in a high dose, comprising a plurality of particles suspended in an aqueous carrier system, which particles: pharmaceutical formulation, comprising a plurality of particles suspended in a carrier system, which particles: (a) have a weight-, number-, or volume-based mean diameter that is between amount 10 nm and about 700 pm; and (b) comprise solid cores comprising a biologic active drug, coated, at least in part, by a coating of inorganic material, and wherein the formulation comprises a concentration of said biologic active drug of at least 10 mg/ml. Preferred biologic active drug include immunoglobulins, monoclonal antibodies, antibody mimetics, cytokines and cytokine antagonists, and human peptide hormones.Type: ApplicationFiled: June 10, 2022Publication date: August 22, 2024Inventors: Anders JOHANSSON, Mårten ROOTH, Erik LINDAHL, Joel HELLRUP, Jonas FRANSSON, David WESTBERG, Otto SKOLLING
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Publication number: 20240261228Abstract: There is provided a process for the preparation of composition in the form of a plurality of particles having a weight-, number-, and/or volume-based mean diameter that is between amount 10 nm and about 700 ?m, which particles comprise: (a) solid cores, preferably comprising a biologically active agent; and (b) two or more sequentially applied, discrete layers, each of which comprises at least one separately applied coating material, and which two or more layers together surround, enclose and/or encapsulate said cores, which process comprises the sequential steps of: (1) applying an initial layer of at least one coating material to said solid cores by way of a gas phase deposition technique; (2) subjecting the coated particles to agitation to deagglomerate particle aggregates formed during step (1) by way of a sieving step; (3) applying a further layer of at least one coating material to the deagglomerated particles; and (4) optionally repeating steps (2) and (3) one or more times to increase the total thicknType: ApplicationFiled: June 10, 2022Publication date: August 8, 2024Inventors: Anders JOHANSSON, Mårten ROOTH, Erik LINDAHL
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Publication number: 20240000718Abstract: A nanoparticle having a solid core comprising a biologically active substance, said core being enclosed by an inorganic coating, a method for preparing the nanoparticle, and the use of the nanoparticle in therapy. A kit comprising the nanoparticle and a pharmaceutical composition comprising the nanoparticle.Type: ApplicationFiled: June 20, 2023Publication date: January 4, 2024Inventors: Jan-Otto Carlsson, Anders Johansson, Marten Rooth
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Patent number: 11717491Abstract: A nanoparticle having a solid core comprising a biologically active substance, said core being enclosed by an inorganic coating, a method for preparing the nanoparticle, and the use of the nanoparticle in therapy. A kit comprising the nanoparticle and a pharmaceutical composition comprising the nanoparticle.Type: GrantFiled: November 12, 2020Date of Patent: August 8, 2023Assignee: NANEXA ABInventors: Jan-Otto Carlsson, Anders Johansson, Marten Rooth
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Publication number: 20230157968Abstract: There is provided a pharmaceutical or veterinary formulation comprising: (a) a plurality of particles having a weight-, number-, or volume-based mean diameter that is between amount 10 nm and about 700 ?m, which particles comprise solid cores coated with zinc oxide; suspended in (b) an oleaginous carrier system comprising a pharmaceutically-acceptable or veterinarily-acceptable oil, which zinc oxide coated particles comprise: (1) solid cores comprising a biologically-active agent; (2) one or more discrete layers surrounding said cores, said one or more layers each comprising at least one separate zinc oxide coating. Said zinc oxide coated particles are preferably synthesized via a gas phase coating technique, such as atomic layer deposition. When the cores comprise biologically-active agent, and the particles are suspended in an oleaginous carrier system, the formulation may provide for the delayed or sustained release of said active agent without a burst effect.Type: ApplicationFiled: April 16, 2021Publication date: May 25, 2023Inventors: Anders JOHANSSON, Mårten ROOTH, Joel HELLRUP
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Publication number: 20230020272Abstract: There is provided a process for the preparation of composition in the form of a plurality of particles having a weight-, number-, and/or volume-based mean diameter that is between amount 10 nm and about 700 ?m, which particles comprise: (a) solid cores, preferably comprising a biologically active agent; and (b) two or more sequentially applied, discrete layers, each of which comprises at least one separately applied coating material, and which two or more layers together surround, enclose and/or encapsulate said cores, which process comprises the sequential steps of: (1) applying an initial layer of at least one coating material to said solid cores by way of a gas phase deposition technique; (2) discharging the coated particles from the gas phase deposition reactor and subjecting the coated particles to agitation to disaggregate particle aggregates formed during step (1) by way of mechanical sieving technique; (3) reintroducing the disaggregated, coated particles from step (2) into the gas phase deposition reType: ApplicationFiled: December 4, 2020Publication date: January 19, 2023Inventors: Anders JOHANSSON, Marten ROOTH, Joel HELLRUP
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Publication number: 20230009472Abstract: There is provided a composition comprising a plurality of particles of a weight-, number-, or volume-, based mean diameter that is between amount 10 nm and about 700 µm, which particles are made up of: (a) a solid core, which solid core preferably comprises a biologically active agent; (b) one or more discrete layers surrounding said core, said one or more layer s each comprising at least one separate coating material; and (c) a final overcoating layer of a coating material, which overcoating layer surrounds, encloses and/or encapsulates said core and said previously-applied layers of coating material, and which final layer is of a thickness that is less than said previously-applied layers. Said layers (b) and (c) are preferably applied by way of a gas phase coating technique, such as atomic layer deposition. When the cores comprise biologically active agent, the compositions may provide for the delayed or sustained release of said active agent without a burst effect.Type: ApplicationFiled: December 6, 2019Publication date: January 12, 2023Inventors: Anders JOHANSSON, Mårten ROOTH, Joel HELLRUP
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Publication number: 20220307132Abstract: A reactor for forming fully coated particles having a solid core, the reactor comprises a reactor vessel which is configured to receive particles, and a gas phase coating mechanism that is configured to selectively introduce pulses of gas phase materials that form a coating on the particles. The reactor also includes a sieve (16) that is located within the reactor vessel, and a forcing means that is configured to force the particles through the sieve (16) in use. The sieve is configured to deagglomerate any particle aggregates formed in the reactor vessel upon forcing of the particles by the forcing means through the sieve.Type: ApplicationFiled: December 8, 2021Publication date: September 29, 2022Applicant: Nanexa ABInventors: Anders JOHANSSON, Mårten ROOTH, Joel HELLRUP
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Patent number: 11214865Abstract: A reactor for forming fully coated particles having a solid core, the reactor comprises a reactor vessel which is configured to receive particles, and a gas phase coating mechanism that is configured to selectively introduce pulses of gas phase materials that form a coating on the particles. The reactor also includes a sieve (16) that is located within the reactor vessel, and a forcing means that is configured to force the particles through the sieve (16) in use. The sieve is configured to deagglomerate any particle aggregates formed in the reactor vessel upon forcing of the particles by the forcing means through the sieve.Type: GrantFiled: June 25, 2020Date of Patent: January 4, 2022Assignee: Nanexa ABInventors: Anders Johansson, Mårten Rooth, Joel Hellrup
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Publication number: 20210169815Abstract: There is provided a process for the preparation of composition in the form of a plurality of particles having a weight-, number-, and/or volume-based mean diameter that is between amount 10 nm and about 700 ?m, which particles comprise: (a) solid cores, preferably comprising a biologically active agent; and (b) two or more sequentially applied, discrete layers, each of which comprises at least one separately applied coating material, and which two or more layers together surround, enclose and/or encapsulate said cores, which process comprises the sequential steps of: (1) applying an initial layer of at least one coating material to said solid cores by way of a gas phase deposition technique; (2) discharging the coated particles from the gas phase deposition reactor and subjecting the coated particles to agitation to disaggregate particle aggregates formed during step (1) by way of mechanical sieving technique; (3) reintroducing the disaggregated, coated particles from step (2) into the gas phase depositiType: ApplicationFiled: December 4, 2020Publication date: June 10, 2021Inventors: Anders Johansson, Joel Hellrup, Mårten Rooth
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Publication number: 20210121415Abstract: A nanoparticle having a solid core comprising a biologically active substance, said core being enclosed by an inorganic coating, a method for preparing the nanoparticle, and the use of the nanoparticle in therapy. A kit comprising the nanoparticle and a pharmaceutical composition comprising the nanoparticle.Type: ApplicationFiled: November 12, 2020Publication date: April 29, 2021Inventors: Jan-Otto Carlsson, Anders Johansson, Marten Rooth
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Publication number: 20200407846Abstract: A reactor for forming fully coated particles having a solid core, the reactor comprises a reactor vessel which is configured to receive particles, and a gas phase coating mechanism that is configured to selectively introduce pulses of gas phase materials that form a coating on the particles. The reactor also includes a sieve (16) that is located within the reactor vessel, and a forcing means that is configured to force the particles through the sieve (16) in use. The sieve is configured to deagglomerate any particle aggregates formed in the reactor vessel upon forcing of the particles by the forcing means through the sieve.Type: ApplicationFiled: June 25, 2020Publication date: December 31, 2020Applicant: Nanexa ABInventors: Anders JOHANSSON, Mårten ROOTH, Joel HELLRUP
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Patent number: 10864171Abstract: A nanoparticle having a solid core comprising a biologically active substance, said core being enclosed by an inorganic coating, a method for preparing the nanoparticle, and the use of the nanoparticle in therapy. A kit comprising the nanoparticle and a pharmaceutical composition comprising the nanoparticle.Type: GrantFiled: October 16, 2019Date of Patent: December 15, 2020Assignee: NANEXA ABInventors: Jan-Otto Carlsson, Anders Johansson, Marten Rooth
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Publication number: 20200108023Abstract: A nanoparticle having a solid core comprising a biologically active substance, said core being enclosed by an inorganic coating, a method for preparing the nanoparticle, and the use of the nanoparticle in therapy. A kit comprising the nanoparticle and a pharmaceutical composition comprising the nanoparticle.Type: ApplicationFiled: October 16, 2019Publication date: April 9, 2020Inventors: Jan-Otto Carlsson, Anders Johansson, Marten Rooth
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Publication number: 20200017966Abstract: A medical device intended for contact with living tissue comprises a substrate having a surface, which surface comprises a layer comprising gallium oxide. A layer comprising a gallium oxide has been shown to inhibit biofilm formation on the surface of the medical device, which may reduce the risk for infection e.g. around a dental implant. A method of producing the medical device comprises: a) providing a substrate having a surface; and applying a gallium compound onto said surface to form a layer, preferably using a thin film deposition technique.Type: ApplicationFiled: September 24, 2019Publication date: January 16, 2020Applicant: DENTSPLY SIRONA INC.Inventors: Anna ARVIDSSON, Anders JOHANSSON, Mårten ROOTH
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Patent number: 10478402Abstract: A nanoparticle having a solid core comprising a biologically active substance, said core being enclosed by an inorganic coating, a method for preparing the nanoparticle, and the use of the nanoparticle in therapy. A kit comprising the nanoparticle and a pharmaceutical composition comprising the nanoparticle.Type: GrantFiled: July 10, 2017Date of Patent: November 19, 2019Assignee: Nanexa ABInventors: Jan-Otto Carlsson, Anders Johansson, Marten Rooth
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Patent number: 10166198Abstract: A nanoparticle having a solid core comprising a biologically active substance, said core being enclosed by an inorganic coating, a method for preparing the nanoparticle, and the use of the nanoparticle in therapy. A kit comprising the nanoparticle and a pharmaceutical composition comprising the nanoparticle.Type: GrantFiled: April 3, 2018Date of Patent: January 1, 2019Assignee: Nanexa ABInventors: Jan-Otto Carlsson, Anders Johansson, Marten Rooth