Patents by Inventor David Lindqvist

David Lindqvist 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).

  • Publication number: 20230248588
    Abstract: An absorbent pad, such as a feminine hygiene article, according to the present disclosure comprises superabsorbent polymer particles (2). The superabsorbent polymer particles (2) are surface coated on an outer surface (3) with a coating agent (4), the coating agent (4) being water-soluble. The coated superabsorbent polymer particles (2) comprises an odour inhibiting substance (5) in powder form adhered to and/or mixed with the coating agent (3). The present disclosure also relates to methods of producing the absorbent pad (1).
    Type: Application
    Filed: November 12, 2019
    Publication date: August 10, 2023
    Applicants: Essity Hygiene and Health Aktiebolag, Essity Hygiene and Health Aktiebolag
    Inventor: David Lindqvist
  • Patent number: 11123234
    Abstract: A folded absorbent article with an absorbent core having at least two core layers located between a topsheet and a backsheet is provided. The width of a transition between front and intermediate portions of the core is narrower than a width of the rest of the core. A first end portion of the article is folded about a fold line that coincides with or is adjacent the narrow portion of the core. A second end portion of the article is folded about a second and rear transversal fold line. The first end portion may be folded onto a central area and the second end portion may then be folded onto the first end portion, or the second end portion may be folded onto the central area and the first end portion may then be folded onto the second end portion.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: September 21, 2021
    Assignee: ESSITY HYGIENE AND HEALTH AKTIEBOLAG
    Inventors: Kent Vartiainen, David Lindqvist
  • Publication number: 20200060887
    Abstract: Disclosed is a folded absorbent article comprising an absorbent core comprising at least two core layers located between a topsheet and a backsheet. The width of a transition between front and intermediate portions of the core is narrower than a width of the rest of the core. A first end portion of the article is folded about a fold line that coincides with or is adjacent the narrow portion of the core. A second end portion of the article is folded about a second and rear transversal fold line. The first end portion may be folded onto a central area and the second end portion may then be folded onto the first end portion, or the second end portion may be folded onto the central area and the first end portion may then be folded onto the second end portion.
    Type: Application
    Filed: December 1, 2017
    Publication date: February 27, 2020
    Applicant: Essity Hygiene and Health Aktiebolag
    Inventors: Kent Vartiainen, David Lindqvist
  • Publication number: 20120109453
    Abstract: A system and arrangement for correlating time in different time bases used by interconnected units by timestamping a reference event with a time determined with respect to a first time base. A message unit provides the time to a second interconnected unit that uses a second time base. A translation device is configured to calculate a difference between the time measured by the first time base and in the second time base. The difference is used to translate a time measured by the first clock to a time in a different time base at run time.
    Type: Application
    Filed: October 27, 2011
    Publication date: May 3, 2012
    Applicant: XINSHU MANAGEMENT L.L.C.
    Inventors: Lars-Berno Fredriksson, David Lindqvist
  • Patent number: 8065052
    Abstract: A method and arrangement for correlating time in different time bases used by interconnected units by timestamping a reference event with a time determined with respect to a first time base. A message unit provides the time to a second interconnected unit that uses a second time base. A translation device is configured to calculate a difference between the time measured by the first time base and in the second time base. The difference is used to translate a time measured by the first clock to a time in a different time base at run time.
    Type: Grant
    Filed: October 30, 2006
    Date of Patent: November 22, 2011
    Assignee: Xinshu Management, L.L.C.
    Inventors: Lars-Berno Fredriksson, David Lindqvist
  • Patent number: 7899936
    Abstract: A device for a modularized system with decentralized and function-executing modules comprising a module with associated clock that is arranged to effect time-stamping of events associated with the system and of reference events selected from among these. The module comprises a memory device for storing the module's time stamps relating to the events noted by the module and to the reference events selected from among these. The module also comprises a microprocessor that generates messages related to the module's stored time stamps. In addition, the module is arranged to transmit the respective generated messages to a time conversion unit via one or more communications links, and the time conversion unit is arranged, after any intermediate storage, to relate the module's respective noted reference event and effected time-stamping to additional reference events and time-stamping introduced into the unit or already in the unit.
    Type: Grant
    Filed: July 20, 2005
    Date of Patent: March 1, 2011
    Assignee: Xinshu Management, L.L.C.
    Inventors: Lars-Berno Fredriksson, David Lindqvist
  • Publication number: 20110008631
    Abstract: A multi-ply web of flexible material, such as tissue paper or nonwoven material, includes a fluorescent whitening agent. The multi-ply web includes at least two plies being interconnected in one or more adhesive interconnection zones with an adhesive composition including polyvinyl alcohol, a polyaldehyde and an acid catalyst. The polyvinyl alcohol is cross-linked with the polyaldehyde such that the adhesive composition is water insoluble. Also described is a method for improving the bleed fastness of a fluorescent whitening agent of a multi-ply web of flexible material, which includes at least two plies being interconnected in one or more adhesive interconnection zones with an adhesive composition including polyvinyl alcohol. The method includes a step of incorporating a polyaldehyde and an acid catalyst in the adhesive composition so as to cross-link the polyvinyl alcohol with the polyaldehyde such that the adhesive composition is made water insoluble.
    Type: Application
    Filed: March 7, 2008
    Publication date: January 13, 2011
    Applicant: SCA HYGIENE PRODUCTS AB
    Inventor: David Lindqvist
  • Publication number: 20070094528
    Abstract: A run time method correlates time in different time bases used by interconnected units by timestamping a reference event with a time determined with respect to a first time base. The time is provided to a second interconnected unit that uses a second time base. A difference between the time measured by the first time base and in the second time base is determined. The difference is used to translate a time measured by the first clock to a time in a different time base at run time. An arrangement correlates different time bases of interconnected units, and includes a first unit that detects a reference event. A clock determines the reference time of the reference event in a first time base. A message unit sends the reference time to a second interconnected unit. The second interconnected unit uses a second time base, and a translation device correlates time measurements between the first time base and the second time base at run time.
    Type: Application
    Filed: October 30, 2006
    Publication date: April 26, 2007
    Applicant: Kvaser Consultant AB
    Inventors: Lars-Berno Fredriksson, David Lindqvist
  • Publication number: 20060069939
    Abstract: A device for a modularized system with decentralized and function-executing modules comprising a module with associated clock that is arranged to effect time-stamping of events associated with the system and of reference events selected from among these. The module comprises a memory device for storing the module's time stamps relating to the events noted by the module and to the reference events selected from among these. The module also comprises a microprocessor that generates messages related to the module's stored time stamps. In addition, the module is arranged to transmit the respective generated messages to a time conversion unit via one or more communications links, and the time conversion unit is arranged, after any intermediate storage, to relate the module's respective noted reference event and effected time-stamping to additional reference events and time-stamping introduced into the unit or already in the unit.
    Type: Application
    Filed: July 20, 2005
    Publication date: March 30, 2006
    Applicant: Kvaser Consultant AB
    Inventors: Lars-Berno Fredriksson, David Lindqvist