Patents Assigned to Ahlstrom Oyj
  • Patent number: 11794985
    Abstract: A compostable lid intended to seal a beverage capsule is provided. The lid is composed of a multilayer complex successively comprising a non-woven material wherein at least 50% by weight of the fibers are composed of polylactic acid (PLA), an adhesive layer suitable for coming into contact with food, and a support layer composed of a vegetable parchment.
    Type: Grant
    Filed: April 28, 2017
    Date of Patent: October 24, 2023
    Assignee: AHLSTROM OYJ
    Inventors: Valerio Miozzo, Hervé Planchard, Florence Vidal, Mireille Roux
  • Patent number: 11787215
    Abstract: The invention relates to transfer paper for sublimation printing, having one or more alkaline earth salts on at least one face thereof.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: October 17, 2023
    Assignee: AHLSTROM OYJ
    Inventor: Thierry Mayade
  • Patent number: 11684880
    Abstract: A fibrous media suitable for an oil filter comprising a fibrous web formed from synthetic fibers; optionally at least one additive, and a thermoset binder present at a concentration of at least 15 wt.-% by weight of the fibrous web and/or at least one binder fiber, wherein the synthetic fibers comprise up to 30 wt.-%, preferably up to 20 wt.-%, glass fibers, based on the total weight of the fibers. The fibers are bonded with the thermoset binder and/or the at least one binder fiber to form a web; and the fibrous media is capable of forming a self-supporting, pleated oil filter media which is capable of retaining pleats upon contact with oil having a temperature in the range encountered in a combustion engine.
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: June 27, 2023
    Assignee: Ahlstrom Oyj
    Inventors: Jesse Shim, Kevin Kim, Ryan Kwon, Jinny Kim, Jamie Byeon, David Alan Topolenski, Kevin Ray Townsend
  • Patent number: 11649382
    Abstract: A biodegradable cellulose fiber-based substrate, at least one side of which is coated with a release coating including: a) at least one water-soluble polymer (WSP) containing hydroxyl groups, and b) at least one lactone substituted with at least one linear or branched and/or cyclic C8-C30 hydrocarbon chain which may contain heteroatoms. The biodegradable substrate is certified biodegradable in accordance with EN 13432. A method of production thereof is also disclosed.
    Type: Grant
    Filed: June 8, 2020
    Date of Patent: May 16, 2023
    Assignee: Ahlstrom Oyj
    Inventors: Menno Dufour, Violaine Durand