Patents by Inventor Kaj Koskinen

Kaj Koskinen 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).

  • Method for manufacturing base paper for release paper
    Patent number: 7387703
    Abstract: In a method for manufacturing base paper for release paper, the body layer, which is formed of a fibre raw material, is surface sized with a surface treatment agent. Before the surface sizing, the body layer, whose moisture level is at least 13 wt. %, is calendered in a calender that comprises at least one nip formed between a hard-faced roll and a soft counter surface.
    Type: Grant
    Filed: November 24, 2004
    Date of Patent: June 17, 2008
    Assignee: UPM-Kymmene Corporation
    Inventors: Timo Koskinen, Kaj Koskinen, Pekka Aho, Seppo Särelä
  • Method for manufacturing base paper for release paper
    Publication number: 20050126729
    Abstract: In a method for manufacturing base paper for release paper, the body layer, which is formed of a fibre raw material, is surface sized with a surface treatment agent. Before the surface sizing, the body layer, whose moisture level is at least 13 wt. %, is calendered in a calender that comprises at least one nip formed between a hard-faced roll and a soft counter surface.
    Type: Application
    Filed: November 24, 2004
    Publication date: June 16, 2005
    Inventors: Timo Koskinen, Kaj Koskinen, Pekka Aho, Seppo Sarela
  • Transport container
    Patent number: D382403
    Type: Grant
    Filed: September 5, 1995
    Date of Patent: August 19, 1997
    Assignee: Perstorp AB
    Inventor: Kaj Koskinen
  • Pallet
    Patent number: D417539
    Type: Grant
    Filed: February 13, 1997
    Date of Patent: December 7, 1999
    Assignee: Perstorp AB
    Inventor: Kaj Koskinen
  • Transport container
    Patent number: D421183
    Type: Grant
    Filed: April 20, 1998
    Date of Patent: February 29, 2000
    Assignee: Perstorp AB
    Inventor: Kaj Koskinen