Patents by Inventor Tobias Wittmann
Tobias Wittmann 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: 20250136800Abstract: The present invention relates to a vulcanizable rubber composition, comprising a vulcanization system VS that comprises at least one peroxide, a rubber component K containing at least one rubber that is cross-linkable by means of the at least one peroxide of the VS, and a filler component F containing at least one organic filler that has a 14C content in a range from 0.20 to 0.45 Bq/g carbon and a d99 value of <25.Type: ApplicationFiled: August 23, 2022Publication date: May 1, 2025Applicant: Suncoal Industries GmbHInventors: Alexander Stücker, Gerd Schmaucks, Tobias Wittmann, Jacob Podschun, Bernhard Schwaiger
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Publication number: 20240392113Abstract: The present invention relates to a vulcanizable rubber composition, comprising a vulcanization system VS that comprises at least sulfur and/or at least one sulfur donor, a rubber component K containing at least one rubber that is cross-linkable by means of sulfur, a filler component F that contains at least one organic filler having a 14C content in a range from 0.20 to 0.Type: ApplicationFiled: September 27, 2022Publication date: November 28, 2024Applicant: Suncoal Industries GmbHInventors: Alexander Stücker, Tobias Wittmann, Gerd Schmaucks, Jacob Podschun, Bernhard Schwaiger
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Publication number: 20240368408Abstract: A biogenic black pigment with a 14C content of more than 0.20 Bq/g carbon and less than 0.45 Bq/g carbon, a mass fraction of volatile constituents, as determined according to DIN 51720, relative to the dry mass of the pigment, of 20% by mass to 40% by mass, a mass fraction of carbon, as determined according to DIN 51732, relative to the dry mass of the pigment, of 60% by mass to 95% by mass, an ash content, relative to the dry mass of the pigment, of 0.Type: ApplicationFiled: May 5, 2022Publication date: November 7, 2024Applicant: Suncoal Industries GmbHInventors: Geertje Dautzenberg, Tobias Wittmann, Günther Etzrodt, Meike Roth
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Publication number: 20240318006Abstract: The present invention relates to a particulate carbon material that can be produced from renewable raw materials, in particular from biomass containing lignin, comprising: a MC content that corresponds to that of the renewable raw materials, said content being preferably greater than 0.20 Bq/g carbon, especially preferably greater than 0.23 Bq/g carbon, but preferably less than 0.45 Bq/g carbon in each case; a carbon content in relation to the ash-free dry substance of between 60 ma. % and 80 ma. %; an STSA surface area of the primary particles of at least 5 m2/g and at most 200 m2/g; and an oil absorption value (OAN) of between 50 ml/100 g and 150 ml/100 g. The present invention also relates to a method for producing said carbon material and to the use thereof.Type: ApplicationFiled: March 18, 2024Publication date: September 26, 2024Applicant: Suncoal Industries GmbHInventors: Tobias Wittmann, Klaus Bergemann
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Publication number: 20240247130Abstract: The present invention relates to an organic filler, wherein a covalent bonding of at least one organic modifier to the organic filler has been effected at least via a part of the oxygen atoms of at least one functional group of the filler which is selected from phenolic OH groups, phenolate groups, aliphatic OH groups, carboxylic acid groups, carboxylate groups and mixtures thereof, a rubber composition comprising at least one rubber and at least the filler mentioned hereinabove, a vulcanizable rubber composition that additionally comprises a vulcanization system, a vulcanized rubber composition obtainable therefrom, as well as a use of the filler mentioned hereinabove for the production of (vulcanizable) rubber compositions for employment in the production of tires, preferably pneumatic tires and solid tires, preferably for the tread, sidewall and/or inner liner thereof, respectively, and/or for employment in the production of technical rubber articles, preferably profiles, seals, dampers and/or hoses.Type: ApplicationFiled: May 19, 2022Publication date: July 25, 2024Applicant: Suncoal Industries GmbHInventors: Jacob Podschun, Gerd Schmaucks, Tobias Wittmann, Bernhard Schwaiger
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Publication number: 20240239992Abstract: The present invention relates to an organic filler, wherein a covalent bonding of at least one organic modifier to the organic filler has been effected (i) at least via a part of the oxygen atoms of at least one functional group of the filler which is selected from phenolic OH groups, phenolate groups, aliphatic OH groups, carboxylic acid groups, carboxylate groups and mixtures thereof and/or (ii) at least via a part of the carbon atoms of the filler that are in ortho position with regard to phenolic OH groups and/or phenolate groups, a rubber composition comprising at least one rubber and at least the filler mentioned hereinabove, a vulcanizable rubber composition that additionally comprises a vulcanization system, a vulcanized rubber composition obtainable therefrom, as well as a use of the filler mentioned hereinabove for the production of (vulcanizable) rubber compositions for employment in the production of tires, preferably pneumatic tires and solid tires, preferably for their tread, sidewall and/or innType: ApplicationFiled: May 19, 2022Publication date: July 18, 2024Applicant: Suncoal Industries GmbHInventors: Jacob Podschun, Gerd Schmaucks, Alexander Stucker, Tobias Wittmann, Priyanka Sekar, Rafal Anyszka, Anke Blume
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Publication number: 20240025747Abstract: The invention relates to fine particulate carbon material, and to a method of production and the use thereof.Type: ApplicationFiled: August 26, 2021Publication date: January 25, 2024Applicant: Suncoal Industries GmbHInventors: Tobias Wittmann, Jacob Podschun, Ulf Lüder, Gerd Schmaucks
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Publication number: 20230287185Abstract: The present invention relates to a method for producing lignin in particle form from a liquid containing lignin-containing raw material, the method comprising at least: reacting the liquid with a cross-linking agent (step a)), precipitating the lignin, thereby forming lignin particles in the liquid (step b)), and separating the liquid from the lignin particles formed in step b) (step c)), and wherein, in step b), the liquid is heat-treated, after precipitation, at a temperature in the range of 60 to 200° C. for a period of 1 minute to 6 hours, and/or, in an additional step d) after step c), the lignin particles separated from the liquid are heat-treated at a temperature in the range of 60 to 600° C. The invention also relates to lignin particles which can be obtained according to the method, lignin particles per se, a use of the lignin particles as filler, and a rubber composition comprising, inter alia, a filler component, the latter containing lignin particles as a filler.Type: ApplicationFiled: July 12, 2021Publication date: September 14, 2023Applicant: Suncoal Industries GmbHInventors: Alexander Stücker, Jacob Podschun, Tobias Wittmann, Lenz Aron Mathis Köhl
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Publication number: 20230192966Abstract: The invention relates to a method for producing a crosslinked lignin in particle form using a hydrothermal treatment of a liquid, which is made of black liquor, contains lignin and a crosslinker or a precursor thereof, and has an electrical activity ranging from more than 15 mS/cm, preferably more than 25 mS/cm, to 400 mS/cm, and to the crosslinked lignin produced using the aforementioned method. The invention additionally relates to crosslinked lignin particles which have a glass transition temperature Tg of at least 160° C. or no glass transition temperature and an STSA surface area of at least 10 m2/g and to rubber articles, in particular technical rubber articles or tires, which comprise crosslinked lignin particles as a filler.Type: ApplicationFiled: July 9, 2021Publication date: June 22, 2023Applicants: Suncoal Industries GmbH, Koehler Innovation & Technology GmbHInventors: Geertje Dautzenberg, Jacob Podschun, Tobias Wittmann
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Patent number: 11639444Abstract: The present invention relates to a particulate carbon material that can be produced from renewable raw materials, in particular from biomass containing lignin, comprising: a 14C content that corresponds to that of the renewable raw materials, said content being preferably greater than 0.20 Bq/g carbon, especially preferably greater than 0.23 Bq/g carbon, but preferably less than 0.45 Bq/g carbon in each case; a carbon content in relation to the ash-free dry substance of between 60 ma. % and 80 ma. %; an STSA surface area of the primary particles of at least 5 m2/g and at most 200 m2/g; and an oil absorption value (OAN) of between 50 ml/100 g and 150 ml/100 g. The present invention also relates to a method for producing said carbon material and to the use thereof.Type: GrantFiled: April 13, 2020Date of Patent: May 2, 2023Assignee: Suncoal Industries GmbHInventors: Tobias Wittmann, Klaus Bergemann
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Publication number: 20230078770Abstract: The invention relates to a rubber composition comprising a rubber component that comprises at least one halobutyl rubber selected from the group consisting of bromobutyl rubber and chlorobutyl rubber; and a filler component that comprises at least one filler F1 which has a 14C content in the range of 0.20 to 0.45 Bq/g of carbon; a carbon content in the range of 60 wt. % to 85 wt. % relative to the ash-free and water-free filler; an STSA surface area in the range of 10 m2/g of filler to 50 m2/g of filler; and acidic hydroxyl groups on its surface; and wherein the proportion of halobutyl rubber in the rubber composition is 70 to 100 phr. The invention further relates to a vulcanisable and a vulcanised rubber composition based on the aforementioned rubber composition, a kit of parts for preparing the vulcanisable rubber composition, and methods for preparing the rubber composition and the vulcanisable rubber composition.Type: ApplicationFiled: September 22, 2021Publication date: March 16, 2023Applicants: Koehler Innovation & Technology GmbH, Suncoal Industries GmbHInventors: Bernhard Schwaiger, Tobias Wittmann, Jacob Podschun
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Publication number: 20220332744Abstract: The invention relates to a method for producing stabilized lignin from lignin-containing raw materials, comprising two process steps. The invention also relates to the stabilized lignin produced in this way.Type: ApplicationFiled: July 10, 2020Publication date: October 20, 2022Applicant: Suncoal Industries GmbHInventors: Tobias Wittmann, Jacob Podschun
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Publication number: 20220194798Abstract: The present invention relates to a process for separating particulate carbon materials and to the materials obtained thereby as well as to their use.Type: ApplicationFiled: December 4, 2019Publication date: June 23, 2022Applicant: Suncoal Industries GmbHInventors: Tobias WITTMANN, Jacob PODSCHUN
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Publication number: 20220145085Abstract: The present invention relates to a particulate carbon material that can be produced from renewable raw materials, in particular from biomass containing lignin, comprising: a MC content that corresponds to that of the renewable raw materials, said content being preferably greater than 0.20 Bq/g carbon, especially preferably greater than 0.23 Bq/g carbon, but preferably less than 0.45 Bq/g carbon in each case; a carbon content in relation to the ash-free dry substance of between 60 ma. % and 80 ma. %; an STSA surface area of the primary particles of at least 5 m2/g and at most 200 m2/g; and an oil absorption value (OAN) of between 50 ml/100 g and 150 ml/100 g. The present invention also relates to a method for producing said carbon material and to the use thereof.Type: ApplicationFiled: January 26, 2022Publication date: May 12, 2022Applicant: Suncoal Industries GmbHInventors: Tobias Wittmann, Klaus Bergemann
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Publication number: 20220135408Abstract: It is provided a method for reducing the odor of particulate carbon materials and to the materials obtained thereby.Type: ApplicationFiled: February 2, 2021Publication date: May 5, 2022Applicant: SUNCOAL INDUSTRIES GMBHInventors: Tobias WITTMANN, Jacob PODSCHUN, Gerd SCHMAUCKS, Ulf LÜDER
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Patent number: 11312864Abstract: The present invention relates to a particulate carbon material that can be produced from renewable raw materials, in particular from biomass containing lignin, comprising: a 14C content that corresponds to that of the renewable raw materials, said content being preferably greater than 0.20 Bq/g carbon, especially preferably greater than 0.23 Bq/g carbon, but preferably less than 0.45 Bq/g carbon in each case; a carbon content in relation to the ash-free dry substance of between 60 ma. % and 80 ma. %; an STSA surface area of the primary particles of at least 5 m2/g and at most 200 m2/g; and an oil absorption value (OAN) of between 50 ml/100 g and 150 ml/100 g. The present invention also relates to a method for producing said carbon material and to the use thereof.Type: GrantFiled: November 18, 2016Date of Patent: April 26, 2022Assignee: SunCoal Industries GmbHInventors: Tobias Wittmann, Klaus Bergemann
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Patent number: 11306209Abstract: The present invention relates to a particulate carbon material that can be produced from renewable raw materials, in particular from biomass containing lignin, comprising: a MC content that corresponds to that of the renewable raw materials, said content being preferably greater than 0.20 Bq/g carbon, especially preferably greater than 0.23 Bq/g carbon, but preferably less than 0.45 Bq/g carbon in each case; a carbon content in relation to the ash-free dry substance of between 60 ma. % and 80 ma. %; an STSA surface area of the primary particles of at least 5 m2/g and at most 200 m2/g; and an oil absorption value (OAN) of between 50 ml/100 g and 150 ml/100 g. The present invention also relates to a method for producing said carbon material and to the use thereof.Type: GrantFiled: September 7, 2021Date of Patent: April 19, 2022Assignee: SunCoal Industries GmbHInventors: Tobias Wittmann, Klaus Bergemann
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Publication number: 20210403722Abstract: The present invention relates to a particulate carbon material that can be produced from renewable raw materials, in particular from biomass containing lignin, comprising: a MC content that corresponds to that of the renewable raw materials, said content being preferably greater than 0.20 Bq/g carbon, especially preferably greater than 0.23 Bq/g carbon, but preferably less than 0.45 Bq/g carbon in each case; a carbon content in relation to the ash-free dry substance of between 60 ma. % and 80 ma. %; an STSA surface area of the primary particles of at least 5 m2/g and at most 200 m2/g; and an oil absorption value (OAN) of between 50 ml/100 g and 150 ml/100 g. The present invention also relates to a method for producing said carbon material and to the use thereof.Type: ApplicationFiled: September 7, 2021Publication date: December 30, 2021Applicant: Suncoal Industries GmbHInventors: Tobias Wittmann, Klaus Bergemann
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Publication number: 20210403723Abstract: The present invention relates to a particulate carbon material that can be produced from renewable raw materials, in particular from biomass containing lignin, comprising: a MC content that corresponds to that of the renewable raw materials, said content being preferably greater than 0.20 Bq/g carbon, especially preferably greater than 0.23 Bq/g carbon, but preferably less than 0.45 Bq/g carbon in each case; a carbon content in relation to the ash-free dry substance of between 60 ma. % and 80 ma. %; an STSA surface area of the primary particles of at least 5 m2/g and at most 200 m2/g; and an oil absorption value (OAN) of between 50 ml/100 g and 150 ml/100 g. The present invention also relates to a method for producing said carbon material and to the use thereof.Type: ApplicationFiled: September 7, 2021Publication date: December 30, 2021Applicant: Suncoal Industries GmbHInventors: Tobias Wittmann, Klaus Bergemann
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Publication number: 20200239697Abstract: The present invention relates to a particulate carbon material that can be produced from renewable raw materials, in particular from biomass containing lignin, comprising: a 14C content that corresponds to that of the renewable raw materials, said content being preferably greater than 0.20 Bq/g carbon, especially preferably greater than 0.23 Bq/g carbon, but preferably less than 0.45 Bq/g carbon in each case; a carbon content in relation to the ash-free dry substance of between 60 ma. % and 80 ma. %; an STSA surface area of the primary particles of at least 5 m2/g and at most 200 m2/g; and an oil absorption value (OAN) of between 50 ml/100 g and 150 ml/100 g. The present invention also relates to a method for producing said carbon material and to the use thereof.Type: ApplicationFiled: April 13, 2020Publication date: July 30, 2020Applicant: SUNCOAL INDUSTRIES GMBHInventors: Tobias WITTMANN, Klaus BERGEMANN