Patents by Inventor Allen M. Nielsen

Allen M. Nielsen 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 SOIL REMEDIATION
    Publication number: 20010009927
    Abstract: A surfactant composition useful in soil remediation comprising compounds having the structure: 1
    Type: Application
    Filed: January 6, 1999
    Publication date: July 26, 2001
    Inventors: UPALI WEERASOORIYA, LARRY N. BRITTON, ALLEN M. NIELSEN, STEVE V. ORSAK, FRANK GATES
  • Stable aqueous enzyme compositions
    Patent number: 6121225
    Abstract: A stabilized aqueous enzyme composition comprising water, from about 0.1% to about 75% by weight of a detergent surfactant selected from the group consisting of anionic surfactants or anionic surfactants and one or more non-anionic detergent actives, from about 0.001% to about 10% by weight proteolytic enzyme, and an effective amount of an enzyme stabilizer having the formula:X--O--(C.sub.n H.sub.2n O).sub.a --H [I]wherein "X" is an organic radical having from 14 to 22 carbon atoms, "a" is an integer from 10 to 26, and "n" is an integer from 2 to 4, and provided that "X" has a hydrophobicity similar to a linear alkyl group having from 14 to 22 carbon atoms.
    Type: Grant
    Filed: December 21, 1998
    Date of Patent: September 19, 2000
    Assignee: CONDEA Vista Company
    Inventors: Larry N. Britton, Geoffrey L. Russell, Allen M. Nielsen