Patents by Inventor Karen-Alessa Wartig

Karen-Alessa Wartig 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).

  • Composition for polyester hydrolytic stabilization
    Patent number: 11384222
    Abstract: The invention relates to the use of at least one compound of the formula (1) herein R1, R2 and R3 are the same or different and denote a C1-C10-alkyl as a hydrolysis stabilizer in polyester materials.
    Type: Grant
    Filed: April 26, 2017
    Date of Patent: July 12, 2022
    Assignee: Clariant Plastics & Coatings Ltd
    Inventors: Karen-Alessa Wartig, Jan-Erik Wegner, Mirco Groeseling, Juergen Wolf
  • Liquid modifier as carrier system for CFAs in foamed polystyrenes
    Patent number: 11365302
    Abstract: The invention relates to a liquid formulation for foaming a thermoplastic polystyrene, said formulation comprising a) a liquid carrier; and b) at least one endothermic chemical blowing agent selected from the group consisting of dicarboxylic acids, tricarboxylic acids, salts of dicarboxylic acids, salts of tricarboxylic acids, esters of dicarboxylic acids and esters of tricarboxylic acids.
    Type: Grant
    Filed: February 20, 2017
    Date of Patent: June 21, 2022
    Assignee: Clariant Plastics & Coatings Ltd
    Inventors: Karen-Alessa Wartig, Mirco Gröseling, Tim Van Den Abbeele, Patrick Kohnke, Rinaldo Montani
  • Composition For Polyester Hydrolytic Stabilization
    Publication number: 20210238388
    Abstract: The invention relates to the use of at least one compound of the formula (1) herein R1, R2 and R3 are the same or different and denote a C1-C10-alkyl as a hydrolysis stabilizer in polyester materials.
    Type: Application
    Filed: April 26, 2017
    Publication date: August 5, 2021
    Applicant: CLARIANT PLASTICS & COATINGS LTD
    Inventors: Karen-Alessa WARTIG, Jan-Erik WEGNER, Mirco GROESELING, Juergen WOLF
  • Composition for hydrolytic stabilization of polyester
    Patent number: 10808101
    Abstract: The invention relates to the use of at least one compound of the formula (1) wherein R1 and R2 are the same or different and denote a C1-C10-alkyl as a hydrolysis stabilizer in polyester materials.
    Type: Grant
    Filed: April 26, 2017
    Date of Patent: October 20, 2020
    Assignee: Clariant Plastics & Coatings Ltd
    Inventor: Karen-Alessa Wartig
  • Composition For Hydrolytic Stabilization Of Polyester
    Publication number: 20190153195
    Abstract: The invention relates to the use of at least one compound of the formula (1) wherein R1 and R2 are the same or different and denote a C1-C10-alkyl as a hydrolysis stabilizer in polyester materials.
    Type: Application
    Filed: April 26, 2017
    Publication date: May 23, 2019
    Applicant: CLARIANT PLASTICS & COATINGS LTD
    Inventor: Karen-Alessa WARTIG
  • Composition for polymeric chain extension
    Patent number: 10273334
    Abstract: The present invention relates to a composition comprising at least one compound of the formula (1) wherein R1, R2 and R3 are the same or different and denote a C1-C10-alkyl, and at least one carrier resin.
    Type: Grant
    Filed: October 23, 2015
    Date of Patent: April 30, 2019
    Assignee: Clariant Plastics & Coatings Ltd
    Inventors: Jürgen Wolf, Karen-Alessa Wartig, Tim Van Den Abbeele, Tim Lünstäden
  • LIQUID MODIFIER AS CARRIER SYSTEM FOR CFAS IN FOAMED POLYSTYRENES
    Publication number: 20190048162
    Abstract: The invention relates to a liquid formulation for foaming a thermoplastic polystyrene, said formulation comprising a) a liquid carrier; and b) at least one endothermic chemical blowing agent selected from the group consisting of dicarboxylic acids, tricarboxylic acids, salts of dicarboxylic acids, salts of tricarboxylic acids, esters of dicarboxylic acids and esters of tricarboxylic acids.
    Type: Application
    Filed: February 20, 2017
    Publication date: February 14, 2019
    Applicant: CLARIANT PLASTICS & COATINGS LTD
    Inventors: Karen Alessa WARTIG, Mirco GRÖSELING, Tim VAN DEN ABBEELE, Patrick KOHNKE, Rinaldo MOTANI
  • Concentrate Composition For Polymeric Chain Extension
    Publication number: 20170313852
    Abstract: The present invention relates to a concentrate composition comprising at least one terephthalic acid ester of formula (1) wherein R1 and R2 are the same or different and denote a C1-C10-alykl; and at least one carrier resin.
    Type: Application
    Filed: October 23, 2015
    Publication date: November 2, 2017
    Applicant: CLARIANT PLASTICS & COATINGS LTD
    Inventors: Karen-Alessa Wartig, Jürgen Wolf, Tim VAN DEN ABBEELE
  • Composition For Polymeric Chain Extension
    Publication number: 20170313813
    Abstract: The present invention relates to a composition comprising at least one compound of the formula (1) wherein R1, R2 and R3 are the same or different and denote a C1-C10-alkyl, and at least one carrier resin.
    Type: Application
    Filed: October 23, 2015
    Publication date: November 2, 2017
    Applicant: CLARIANT PLASTICS & COATINGS LTD
    Inventors: Jürgen Wolf, Karen-Alessa Wartig, Tim VAN DEN ABBEELE, Tim LÜNSTÄDEN