Patents by Inventor Hendrick Frick

Hendrick Frick 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).

  • Manufacture of alkyl benzene sulphonic acids
    Publication number: 20050152866
    Abstract: A novel, storage-stable, free-flowing, solid product consisting essentially of an alkyl benzene sulphonic acid having 1 to 4 aliphatic carbon atoms and from 7 to 11% water based on the weight of the product, said alkyl benzene sulphonic acid comprising at least 90% by weight of a single isomer based on the total weight of organic material in the product, is prepared by drying a storage-unstable, solid alkyl benzene sulphonic acid having more than 11% by weight water, said drying being effected at sub atmospheric pressure and at a temperature below the softening point of the product.
    Type: Application
    Filed: September 25, 2002
    Publication date: July 14, 2005
    Applicant: Huntsman International LLC
    Inventors: Hendrick Frick, Ajit Kumar, Lean-Luc Urbain, Didier Hauss, Pierre Solastiouk