Patents by Inventor Rene Lammers

Rene Lammers 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).

  • Detergent compositions
    Patent number: 6387861
    Abstract: A detergent tablet for fabric washing is compacted from a particulate composition containing detergent active compound, detergency builder, a bleach system comprising coated sodium percarbonate and at least one bleach activator, and optionally other detergent ingredients, where the tablet comprises a plurality of discrete regions, and wherein the bleach activator and the coated sodium percarbonate are concentrated in respective different regions of the tablet. This separation of activator and percarbonate increases the stability of the bleach activator.
    Type: Grant
    Filed: May 12, 2000
    Date of Patent: May 14, 2002
    Assignee: Unilever Home & Personal Care USA division of Conopco, Inc.
    Inventors: Anja Leonarda M Van Asperen, Atze Jan Van der Goot, Rene Lammers, Seeng Djiang Liem, Robert Ernst Niemantsverdriet, Mark Van der Veen, Patrick Van der Waal
  • Detergent compositions
    Patent number: 6242403
    Abstract: A detergent tablet of compressed particulate composition, and a process of making such a tablet, wherein the tablet or a region thereof comprises organic detergent and detergency builder and the tablet or region thereof is compacted from a composition which contains: (A) particles containing at least 60% by weight of non-soap anionic detergent (B) particles containing at least 80% of their own weight of one or more water-soluble materials selected from compounds with a water-solubility exceeding 50 grams per 100 grams water at 20° C.; and sodium tripolyphosphate containing at least 50% of its own weight of the phase I anhydrous form.
    Type: Grant
    Filed: November 23, 1999
    Date of Patent: June 5, 2001
    Assignee: Unilever Home & Personal Care USA, division of Conopco, Inc.
    Inventors: Rene Lammers, Seeng Djiang Liem, Alastair Richard Sanderson, Bart Slenderbroek, Harmannus Tammes, Arie Vermaas, Gilbert Martin Verschelling, Ronaldus Wilhelmus Johannes Westerhout