Patents by Inventor Benjamin Woldt
Benjamin Woldt 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: 11932749Abstract: A plasticizer composition contains a compound according to the following formula (I) wherein the radicals R1, R2 and R3 are each independently selected from n-pentyl, 2-methylbutyl and 3-methylbutyl. The plasticizer composition can be used as plasticizer for polymers and a corresponding plastic composition contains the plasticizer composition.Type: GrantFiled: June 14, 2022Date of Patent: March 19, 2024Assignee: Evonik Oxeno GmbH & Co. KGInventors: Michael Grass, Florian Boeck, Benjamin Woldt
-
Publication number: 20220411604Abstract: A plasticizer composition contains a compound according to the following formula (I) wherein the radicals R1, R2 and R3 are each independently selected from n-pentyl, 2-methylbutyl and 3-methylbutyl. The plasticizer composition can be used as plasticizer for polymers and a corresponding plastic composition contains the plasticizer composition.Type: ApplicationFiled: June 14, 2022Publication date: December 29, 2022Applicant: Evonik Operations GmbHInventors: Michael Grass, Florian Boeck, Benjamin Woldt
-
Patent number: 10875981Abstract: An ester mixture of trialkyl esters of cyclohexane-1,2,4-tricarboxylates having isomeric pentyl radicals in which more than 5 mol % of the isomeric pentyl radicals are branched.Type: GrantFiled: July 6, 2018Date of Patent: December 29, 2020Assignee: Evonik Operations GmbHInventors: Benjamin Woldt, Michael Grass, Florian Boeck
-
Patent number: 10787414Abstract: A mixture of isomeric dipentyl terephthalates, pentyl radicals of which are n-pentyl radicals to an extent of less than 60 mol %, characterized by a low viscosity which does not increase significantly even at temperatures below 40° C. Plastisols comprising these mixtures have a low plastisol viscosity which moreover increases only to a minor degree with time.Type: GrantFiled: January 10, 2018Date of Patent: September 29, 2020Assignee: Evonik Operations GmbHInventors: Florian Boeck, Michael Grass, Benjamin Woldt, André Huber, Christine Blex, Ulrike Blumenthal
-
Patent number: 10577479Abstract: Tripentyl esters of trimellitic acid, especially mixtures of triisopentyl esters of trimellitic acid comprising isomeric pentyl radicals in which more than 5 mol % of the isomeric pentyl radicals incorporated in the ester mixture are branched, have good compatibility with PVC and PVC-containing polymers and simultaneously exhibit a lesser tendency to migrate.Type: GrantFiled: September 28, 2016Date of Patent: March 3, 2020Assignee: Evonik Degussa GmbHInventors: Benjamin Woldt, Michael Grass, Florian Boeck
-
Patent number: 10544279Abstract: Ester mixtures comprising the esters A(COOR1)(COOR1)x, A(COOR1)(COOR2)x, A(COOR2)(COOR1)x and A(COOR2)(COOR2)x, can be produced in a targeted way by processes in which acids A(COOH)x+1 or derivatives thereof are reacted with an amount (m1+s1) of R1OH and an amount m2 of R2OH, the reaction mixture being heated at boiling, the alcohol R1OH having a lower boiling point than the alcohol R2OH, A being an aromatic, alicyclic or aliphatic radical, x being 1 or 2, and R1 and R2 independently of one another being substituted or unsubstituted aryl radicals or linear or branched, substituted or unsubstituted alkyl radicals having 3 to 20 carbon atoms, m1 and m2 corresponding to the mole equivalents of the alcohol radicals OR1 and OR2 to be introduced into A(COOH)x+1 or derivatives thereof, and s1 being greater than 0.Type: GrantFiled: February 18, 2016Date of Patent: January 28, 2020Assignee: Evonik Degussa GmbHInventors: Florian Boeck, Carsten Gehlen, Michael Grass, Benjamin Woldt
-
Patent number: 10421850Abstract: Mixtures containing dipentyl terephthalate, dinonyl terephthalate and pentyl nonyl terephthalate can be prepared with a predetermined distribution of the individual esters in the mixture, and used as plasticizers.Type: GrantFiled: February 17, 2016Date of Patent: September 24, 2019Assignee: Evonik Degussa GmbHInventors: Benjamin Woldt, Florian Sebastian Boeck, Michael Grass, Harald Haeger
-
Publication number: 20180319954Abstract: Tripentyl esters of trimellitic acid, especially mixtures of triisopentyl esters of trimellitic acid comprising isomeric pentyl radicals in which more than 5 mol % of the isomeric pentyl radicals incorporated in the ester mixture are branched, have good compatibility with PVC and PVC-containing polymers and simultaneously exhibit a lesser tendency to migrate.Type: ApplicationFiled: July 6, 2018Publication date: November 8, 2018Applicant: Evonik Degussa GmbHInventors: Benjamin WOLDT, Michael Grass, Florian Boeck
-
Publication number: 20180208541Abstract: A mixture of isomeric dipentyl terephthalates, pentyl radicals of which are n-pentyl radicals to an extent of less than 60 mol %, characterized by a low viscosity which does not increase significantly even at temperatures below 40° C. Plastisols comprising these mixtures have a low plastisol viscosity which moreover increases only to a minor degree with time.Type: ApplicationFiled: January 10, 2018Publication date: July 26, 2018Inventors: Florian Boeck, Michael Grass, Benjamin Woldt, André Huber, Christine Blex, Ulrike Blumenthal
-
Publication number: 20170088691Abstract: Tripentyl esters of trimellitic acid, especially mixtures of triisopentyl esters of trimellitic acid comprising isomeric pentyl radicals in which more than 5 mol % of the isomeric pentyl radicals incorporated in the ester mixture are branched, have good compatibility with PVC and PVC-containing polymers and simultaneously exhibit a lesser tendency to migrate.Type: ApplicationFiled: September 28, 2016Publication date: March 30, 2017Applicant: Evonik Degussa GmbHInventors: Benjamin WOLDT, Michael GRASS, Florian BOECK
-
Patent number: 9505909Abstract: An ester mixture of dianhydrohexitol, a composition comprising the ester mixture and a polymer composition comprising the ester mixture or the composition, the use thereof, and a process by which the ester mixture can be prepared, where the ester mixture has a mean chain length of (8.3) to (9.2).Type: GrantFiled: December 19, 2012Date of Patent: November 29, 2016Assignee: Roquette FrèresInventors: Michael Grass, Andreas Gevers, Benjamin Woldt, Michael Woelk-Faehrmann
-
Patent number: 9493632Abstract: An ester mixture of dianhydrohexitol, a composition comprising the ester mixture and a polymer composition comprising the ester mixture or the composition, the use thereof, and a process by which the ester mixture can be prepared, where the proportion of C8 based on the sum of C8 and C10 in the overall ester mixture is 45 mol % to 85 mol %.Type: GrantFiled: December 19, 2012Date of Patent: November 15, 2016Assignee: Evonik Degussa GmbHInventors: Michael Grass, Andreas Gevers, Benjamin Woldt, Michael Woelk-Faehrmann
-
Publication number: 20160237244Abstract: Ester mixtures comprising the esters A(COOR1)(COOR1)x, A(COOR1)(COOR2)x, A(COOR2)(COOR1)x and A(COOR2)(COOR2)x, can be produced in a targeted way by processes in which acids A(COOH)x+1 or derivatives thereof are reacted with an amount (m1+s1) of R1OH and an amount m2 of R2OH, the reaction mixture being heated at boiling, the alcohol R1OH having a lower boiling point than the alcohol R2OH, A being an aromatic, alicyclic or aliphatic radical, x being 1 or 2, and R1 and R2 independently of one another being substituted or unsubstituted aryl radicals or linear or branched, substituted or unsubstituted alkyl radicals having 3 to 20 carbon atoms, m1 and m2 corresponding to the mole equivalents of the alcohol radicals OR1 and OR2 to be introduced into A(COOH)x+1 or derivatives thereof, and s1 being greater than 0.Type: ApplicationFiled: February 18, 2016Publication date: August 18, 2016Applicant: Evonik Degussa GmbHInventors: Florian Sebastian BOECK, Carsten GEHLEN, Michael GRASS, Benjamin WOLDT
-
Publication number: 20160237243Abstract: Mixtures containing dipentyl terephthalate, dinonyl terephthalate and pentyl nonyl terephthalate can be prepared with a predetermined distribution of the individual esters in the mixture, and used as plasticizers.Type: ApplicationFiled: February 17, 2016Publication date: August 18, 2016Applicant: Evonik Degussa GmbHInventors: Benjamin WOLDT, Florian Sebastian BOECK, Michael GRASS, Harald HAEGER
-
Publication number: 20160060426Abstract: A mixture (1) can be prepared in a controlled manner and used as a plasticizer, the mixture contains an epoxidized fatty acid ester A; and a compound B containing a fatty acid chain and having no functional group including a multiple bond in the fatty acid chain. The proportion by mass of compound B is smaller in said mixture (1) than a proportion of compound B in a mixture (2) of compounds containing a fatty acid chain from which the mixture (1) comprising epoxidized fatty acid ester A has been prepared.Type: ApplicationFiled: August 26, 2015Publication date: March 3, 2016Applicant: Evonik Degussa GmbHInventors: Benjamin WOLDT, Florian BOECK, Andreas GEVERS, Michael GRASS
-
Publication number: 20160017259Abstract: The invention concerns an isononyl ester mixture of an epoxidized fatty acid mixture, the fatty acid mixture having been obtained from a vegetable oil, the fraction of saturated fatty acids in the isononyl ester mixture being below the fraction of saturated fatty acids in the vegetable oil from which the fatty acids have been obtained.Type: ApplicationFiled: February 18, 2014Publication date: January 21, 2016Applicant: EVONIK DEGUSSA GMBHInventors: Benjamin WOLDT, Michael GRASS, Michael WOELK-FAEHRMANN, Charlotte SCHNEIDER
-
Publication number: 20160009898Abstract: The invention relates to an isononyl ester or isononyl ester mixture of an epoxidized fatty acid or an epoxidized fatty acid mixture, the fatty acid or fatty acid mixture being extracted from tall oil or linseed oil and the average number of epoxide groups per fatty acid being greater than 1.00.Type: ApplicationFiled: February 14, 2014Publication date: January 14, 2016Applicant: EVONIK DEGUSSA GMBHInventors: Benjamin Woldt, Michael Grass, Andreas Gevers
-
Publication number: 20150329484Abstract: Esters having at least one sulphone group on the acid chain, processes for preparation thereof and use of the ester as a plasticizer for polymers.Type: ApplicationFiled: September 17, 2013Publication date: November 19, 2015Applicant: Evonik Degussa GmbHInventors: Michael GRASS, Benjamin WOLDT, Andreas GEVERS, Stefan BUCHHOLZ, Michael MEIER, Lucas MONTERO DE ESPINOSA
-
Publication number: 20150291770Abstract: An ester mixture of dianhydrohexitol, a composition comprising the ester mixture and a polymer composition comprising the ester mixture or the composition, the use thereof, and a process by which the ester mixture can be prepared, where the ester mixture has a mean chain length of (8.3) to (9.2).Type: ApplicationFiled: December 19, 2012Publication date: October 15, 2015Applicant: Evonik Industries AGInventors: Michael Grass, Andreas Gevers, Benjamin Woldt, Michael Woelk-Faehrmann
-
Publication number: 20150152245Abstract: An ester mixture of dianhydrohexitol, a composition comprising the ester mixture and a polymer composition comprising the ester mixture or the composition, the use thereof, and a process by which the ester mixture can be prepared, where the proportion of C8 based on the sum of C8 and C10 in the overall ester mixture is 45 mol % to 85 mol %.Type: ApplicationFiled: December 19, 2012Publication date: June 4, 2015Applicant: Evonik Industries AGInventors: Michael Grass, Andreas Gevers, Benjamin Woldt, Michael Woelk-Faehrmann