Patents by Inventor Wolfgang Friedek

Wolfgang Friedek 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: 11952489
    Abstract: A film is shown and described which contains 10 to 50 wt. % of a component A and 50 to 90 wt. % of a component B, based on the sum of the components A and B, component A being selected from the group consisting of polymers that are obtainable from ring-opening polymerization and have a glass transition temperature (Tg) lower than ?30° C. and component B being selected from the group consisting of thermoplastic aliphatic copolyesters and mixtures thereof, and the film having a total thickness of 1 to 200 ?m.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: April 9, 2024
    Assignee: BIO-TECH BIOLOGISCHE NATURVERPACKUNGEN GMBH & CO. KG
    Inventors: Harald Schmidt, Johannes Mathar, Thorsten Roloff, Wolfgang Friedek
  • Patent number: 11235497
    Abstract: A process is presented and described for the production of moldings, comprising the steps of (a) providing a polymer composition comprising from 1 to 99% by weight of polyhydroxyalkanoate and from 1 to 99% by weight of starch-containing polymer; (b) homogenizing the polymer composition with use of thermal and/or mechanical energy; (c) introducing the polymer composition into a mold; (d) molding the molding in the mold; and (e) removing the molding from the mold. The process described is in particular suitable for the production of hard capsules.
    Type: Grant
    Filed: December 23, 2015
    Date of Patent: February 1, 2022
    Assignee: BIO-TEC BIOLOGISCHE NATURVERPACKUNGEN GMBH, & CO. KG
    Inventors: Harald Schmidt, Christoph Hess, Wolfgang Friedek
  • Patent number: 11208551
    Abstract: A polymer composition is presented and described and includes, based on the total weight of the polymer composition, the following components: a. from 15 to 70% by weight of PLLA, b. from 0.1 to 15% by weight of PDLA, c. from 5 to 40% by weight of polyester, and d. from 5 to 40% by weight of organic or inorganic filler. These polymer compositions can be biodegradable, comprise mainly bio-based carbon, and have an increased heat deflection temperature. These polymer compositions can moreover be used in specific processes in order to produce molded parts, films, or fibers which by virtue of their high heat deflection temperature can also be used as containers for coffee-preparation systems.
    Type: Grant
    Filed: February 2, 2015
    Date of Patent: December 28, 2021
    Assignee: BIO-TEC BIOLOGISCHE NATURVERPACKUNGEN GMBH & CO. KG
    Inventors: Harald Schmidt, Christoph Hess, Wolfgang Friedek, Ralph Beckmann
  • Publication number: 20210130606
    Abstract: A film is shown and described which comprises 10-90 wt. % of a component A and 10-90 wt. % of a component B, based on the sum of the components A and B, A being a polyhydroxyalkanoate and B being an aliphatic copolyester composed of at least one diol component and at least one dicarboxylic acid component, and the film having a total thickness of 1 to 200 ?m.
    Type: Application
    Filed: March 26, 2018
    Publication date: May 6, 2021
    Inventors: Wolfgang Friedek, Johannes Mathar, Thorsten Roloff, Harald Schmidt
  • Publication number: 20200056037
    Abstract: A film is shown and described which contains 10 to 50 wt. % of a component A and 50 to 90 wt. % of a component B, based on the sum of the components A and B, component A being selected from the group consisting of polymers that are obtainable from ring-opening polymerization and have a glass transition temperature (Tg) lower than ?30° C. and component B being selected from the group consisting of thermoplastic aliphatic copolyesters and mixtures thereof, and the film having a total thickness of 1 to 200 ?m.
    Type: Application
    Filed: March 26, 2018
    Publication date: February 20, 2020
    Inventors: Harald Schmidt, Johannes Mathar, Thorsten Roloff, Wolfgang Friedek
  • Patent number: 10131783
    Abstract: The invention relates to a polymer compound which, based on the total weight of the polymer compound, comprises at least the following components: (a) 5 to 50 wgt.-% destructed starch and/or starch derivative, (b) 20 to 70 wgt.-% aliphatic-aromatic copolymer, (c) 10 to 50 wgt.-% polyhydroxyalkanoate and (d) 3 to 25 wgt.-% polyactic acid. Such polymer compounds are characterized by a high ratio of bio-based carbon and exhibit no significant embrittlement or worsening of the mechanical properties profile, despite the presence of increased volumes of polyhydroxyalkanoate, even after storage. The invention further relates to production methods for the polymer compound according to the invention, and use thereof in the production of films, molded parts or fibers.
    Type: Grant
    Filed: April 8, 2014
    Date of Patent: November 20, 2018
    Assignee: BIO-TEC BIOLOGISCHE NATURVERPACKUNGEN GMBH & CO. KG
    Inventors: Harald Schmidt, Christoph Hess, Christophe Bréso, Ralf Hackfort, Frank Rörthmans, Wolfgang Friedek
  • Publication number: 20170342261
    Abstract: A process is presented and described for the production of moldings, comprising the steps of (a) providing a polymer composition comprising from 1 to 99% by weight of polyhydroxyalkanoate and from 1 to 99% by weight of starch-containing polymer; (b) homogenizing the polymer composition with use of thermal and/or mechanical energy; (c) introducing the polymer composition into a mold; (d) molding the molding in the mold; and (e) removing the molding from the mold. The process described is in particular suitable for the production of hard capsules.
    Type: Application
    Filed: December 23, 2015
    Publication date: November 30, 2017
    Inventors: Harald Schmidt, Christoph Hess, Wolfgang Friedek
  • Publication number: 20170037241
    Abstract: A polymer composition is presented and described and comprises, based on the total weight of the polymer composition, the following components: a. from 15 to 70% by weight of PLLA, b. from 0.1 to 15% by weight of PDLA, c. from 5 to 40% by weight of polyester, and d. from 5 to 40% by weight of organic or inorganic filler. These polymer compositions can be biodegradable, comprise mainly biobased carbon, and have an increased heat deflection temperature. These polymer compositions can moreover be used in specific processes in order to produce molded parts, films, or fibers which by virtue of their high heat deflection temperature can also be used as containers for coffee-preparation systems.
    Type: Application
    Filed: February 2, 2015
    Publication date: February 9, 2017
    Inventors: Harald Schmidt, Christoph Hess, Wolfgang Friedek, Ralph Beckmann
  • Publication number: 20160060451
    Abstract: The invention relates to a polymer compound which, based on the total weight of the polymer compound, comprises at least the following components: (a) 5 to 50 wgt.-% destructed starch and/or starch derivative, (b) 20 to 70 wgt.-% aliphatic-aromatic copolymer, (c) 10 to 50 wgt.-% polyhydroxyalkanoate and (d) 3 to 25 wgt.-% polyactic acid. Such polymer compounds are characterized by a high ratio of bio-based carbon and exhibit no significant embrittlement or worsening of the mechanical properties profile, despite the presence of increased volumes of polyhydroxyalkanoate, even after storage. The invention further relates to production methods for the polymer compound according to the invention, and use thereof in the production of films, molded parts or fibers.
    Type: Application
    Filed: April 8, 2014
    Publication date: March 3, 2016
    Inventors: Harald Schmidt, Christoph Hess, Christophe Bréso, Ralf Hackfort, Frank Rörthmans, Wolfgang Friedek
  • Publication number: 20030187149
    Abstract: A biodegradable polymeric blend is provided, which can be produced by extrusion and contains at least one partly aromatic polyester, as well as aromatic and aliphatic blocks. At least 10% w. of this polymeric blend with the partly aromatic polyester contains one aliphatic polyester based on at least one hydroxycarboxylic acid and/or at least one lactone, the glass transition temperature (TG) of the aliphatic polyester being of at least 50°. This polymeric blend advantageously includes no plastifying agent and, moreover, comprises regenerating materials.
    Type: Application
    Filed: February 11, 2003
    Publication date: October 2, 2003
    Applicant: Bio-Tec Biologische Naturver-Packungen GMBH & Co. KG
    Inventors: Harald Schmidt, Wolfgang Friedek, Petra Vogt