Patents by Inventor Arja Mantyla

Arja Mantyla 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).

  • Patent number: 5935836
    Abstract: The isolation and cloning of Actinomadura spp. xylanases having a molecular weight of 35 kDa and 50 kDa are described. These xylanases are thermostable and useful in biobleaching of wood pulp.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: August 10, 1999
    Assignee: Rohm Enzyme Finland Oy
    Inventors: Jari Vehmaanpera, Arja Mantyla, Richard Fagerstrom, Raija Lantto, Marja Paloheimo, Pirkko Suominen
  • Patent number: 5298405
    Abstract: Enzyme preparations enriched in hemicellulase-, pectin-, and/or lignin-degrading enzymes are described which are also partially or completely deficient in cellulase degrading activity. Such preparations may be utilized in an crude, unpurified form and are especially useful in the production of pulp and paper.
    Type: Grant
    Filed: May 16, 1990
    Date of Patent: March 29, 1994
    Assignee: Alko Limited
    Inventors: Helena Nevalainen, Jonathan Knowles, Pirkko Suominen, Merja Pentilla, Arja Mantyla