Patents by Inventor Paula Perkkalainen

Paula Perkkalainen 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).

  • Anhydrous lactitol crystals, a product containing the same and a process for the preparation thereof as well as use thereof
    Patent number: 6872414
    Abstract: The invention relates to novel anhydrous (?) lactitol crystals, belonging to the orthorhombic P212121 cystal system and having unit cell constants a=9.6 ?, b=11.1 ?, c=14.0 ?. The invention also relates to crystalline lactitol products containing the novel anhydrous ? lactitol and to a process for the preparation thereof by crystallizing from an aqueous solution of lactitol. The novel anhydrous ? lactitol is stable and nonhygroskopic and it may be used as a substitute for sugar in foodstuffs and sweets, in as well as in pharmaceutical and hygienic products.
    Type: Grant
    Filed: September 20, 2000
    Date of Patent: March 29, 2005
    Assignee: Xyrofin Oy
    Inventors: Craig Myers, Heikki Heikkila, Hannele Nikander, Juha Nurmi, Johanna Nygren, Paula Perkkalainen, Tammy Pepper, Ilkka Pitkanen, Jussi Valkonen