Patents by Inventor Anders U. Clausen

Anders U. Clausen 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 of converting asbestos cement into a harmless product
    Patent number: 5614452
    Abstract: Asbestos cement may be converted to a harmless product by melting at a melt temperature of 1400.degree. to 1700.degree. C. a blend of 50 to 85% by weight asbestos cement with 15 to 50% by weight of additives that include naturally occurring silicate material such that the total blend has a CaO content of not more than 50%. The melt is discharged from the furnace, cooled and solidified and may be used as aggregate or, generally after solidification as regular units, may be used as part or all of the charge for producing MMV fibre material. It is of particular value for the production of man made vitreous fibre material that has low alumina content and is soluble in lung fluids.
    Type: Grant
    Filed: September 8, 1995
    Date of Patent: March 25, 1997
    Assignee: Rockwool International A/S
    Inventors: Anders U. Clausen, Vermund R. Christensen, Soren L. Jensen