Patents by Inventor Willi LINDEMANN

Willi LINDEMANN 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).

  • Inline coated biaxially oriented polyethylene foil and method for the production thereof
    Patent number: 11845244
    Abstract: A biaxially oriented polyethylene foil (BOPE) is disclosed having layers (A) to (D), wherein layers (B) to (D) contain biaxially oriented polyethylene and layer (A) contains polyurethane and nanoparticles and has a layer thickness of 25 to 300 nm, layer (B) includes polymers having functional groups which are capable of forming covalent bonds with polyurethane and are directly connected to layer (A), layer (C) has at least a layer thickness of 50% of the total thickness of the foil and layer (D) represents an outer layer of the foil, which contains antiblocking agents.
    Type: Grant
    Filed: September 15, 2022
    Date of Patent: December 19, 2023
    Assignee: BRÜCKNER MASCHINENBAU GmbH
    Inventors: Willi Lindemann, Jan Barth, Alois Körber
  • INLINE COATED BIAXIALLY ORIENTED POLYETHYLENE FOIL AND METHOD FOR THE PRODUCTION THEREOF
    Publication number: 20230025908
    Abstract: A biaxially oriented polyethylene foil (BOPE) is disclosed having layers (A) to (D), wherein layers (B) to (D) contain biaxially oriented polyethylene and layer (A) contains polyurethane and nanoparticles and has a layer thickness of 25 to 300 nm, layer (B) includes polymers having functional groups which are capable of forming covalent bonds with polyurethane and are directly connected to layer (A), layer (C) has at least a layer thickness of 50% of the total thickness of the foil and layer (D) represents an outer layer of the foil, which contains antiblocking agents.
    Type: Application
    Filed: September 15, 2022
    Publication date: January 26, 2023
    Inventors: Willi LINDEMANN, Jan BARTH, Alois KÖRBER
  • Inline coated biaxially oriented polyethylene foil and method for the production thereof
    Patent number: 11479025
    Abstract: The present invention relates to a biaxially oriented polyethylene foil (BOPE) comprising layers (A) to (D), wherein layers (B) to (D) contain biaxially oriented polyethylene and layer (A) contains polyurethane and nanoparticles and has a layer thickness of 25 to 300 nm, layer (B) comprises polymers having functional groups which are capable of forming covalent bonds with polyurethane and are directly connected to layer (A), layer (C) has at least a layer thickness of 50% of the total thickness of the foil and layer (D) represents an outer layer of the foil, which contains antiblocking agents. The invention further relates to methods for producing such foils.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: October 25, 2022
    Assignee: Brückner Maschinenbau GmbH & Co. KG
    Inventors: Willi Lindemann, Jan Barth, Alois Körber
  • In-line, coated, biaxially oriented polypropylene film and method for the production thereof
    Patent number: 11453025
    Abstract: The invention relates to a biaxially oriented polypropylene film (BOPP) comprising layers (A) to (D), wherein layers (B) to (D) contain biaxially oriented polypropylene and layer (A) contains polyurethane and nanoparticles and has a layer thickness of 25 to 300 nm, layer (B) contains polymers with functional groups that are capable of forming covalent bonds with polyurethane and is directly connected to layer (A), layer (C) has at least a layer thickness of 50% of the total thickness of the film, and layer (D) represents an outer layer of the film containing an anti-blocking agent. The invention also relates to a method for producing films of this type.
    Type: Grant
    Filed: January 24, 2019
    Date of Patent: September 27, 2022
    Assignee: Brückner Maschinenbau GmbH & Co. KG
    Inventors: Willi Lindemann, Martin Wolf
  • INLINE COATED BIAXIALLY ORIENTED POLYETHYLENE FOIL AND METHOD FOR THE PRODUCTION THEREOF
    Publication number: 20210016550
    Abstract: The present invention relates to a biaxially oriented polyethylene foil (BOPE) comprising layers (A) to (D), wherein layers (B) to (D) contain biaxially oriented polyethylene and layer (A) contains polyurethane and nanoparticles and has a layer thickness of 25 to 300 nm, layer (B) comprises polymers having functional groups which are capable of forming covalent bonds with polyurethane and are directly connected to layer (A), layer (C) has at least a layer thickness of 50% of the total thickness of the foil and layer (D) represents an outer layer of the foil, which contains antiblocking agents. The invention further relates to methods for producing such foils.
    Type: Application
    Filed: July 17, 2020
    Publication date: January 21, 2021
    Inventors: Willi LINDEMANN, Jan BARTH, Alois KÖRBER
  • IN-LINE, COATED, BIAXIALLY ORIENTED POLYPROPYLENE FILM AND METHOD FOR THE PRODUCTION THEREOF
    Publication number: 20200254475
    Abstract: The invention relates to a biaxially oriented polypropylene film (BOPP) comprising layers (A) to (D), wherein layers (B) to (D) contain biaxially oriented polypropylene and layer (A) contains polyurethane and nanoparticles and has a layer thickness of 25 to 300 nm, layer (B) contains polymers with functional groups that are capable of forming covalent bonds with polyurethane and is directly connected to layer (A), layer (C) has at least a layer thickness of 50% of the total thickness of the film, and layer (D) represents an outer layer of the film containing an anti-blocking agent. The invention also relates to a method for producing films of this type.
    Type: Application
    Filed: January 24, 2019
    Publication date: August 13, 2020
    Inventors: Willi LINDEMANN, Martin WOLF