Patents by Inventor Torsten Pilz

Torsten Pilz 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).

  • Process for the preparation of bleach activator granules
    Patent number: 7122511
    Abstract: Process for the preparation of bleach activator granules, which comprises extruding a mixture comprising bleach activator, anionic or nonionic surfactant and polyalkylene glycol at temperatures of from 40 to 120° C. and a pressure of from 5 to 30 bar, and granulating the resultant extrudates at a temperature of from 40 to 120° C. on a spheronizer.
    Type: Grant
    Filed: July 23, 2002
    Date of Patent: October 17, 2006
    Assignee: Clariant GmbH
    Inventors: Georg Borchers, Torsten Pilz
  • Process for the preparation of bleach activator granules
    Patent number: 6897192
    Abstract: Process for the preparation of bleach activator granules, which comprises extruding a mixture comprising bleach activator, anionic or nonionic surfactant and polyalkylene glycol at temperatures of from 60 to 80° C. and a pressure of from 10 to 30 bar, and granulating the resultant extrudates at a temperature of from 60 to 80° C. on a spheronizer.
    Type: Grant
    Filed: July 12, 2002
    Date of Patent: May 24, 2005
    Assignee: Clariant GmbH
    Inventors: Georg Borchers, Torsten Pilz
  • Process for the preparation of acyloxybenzenesulfonates
    Patent number: 6639096
    Abstract: Process for the preparation of acyloxybenzenesulfonates by reaction of phenolsulfonate with a water content of less than 0.5% by weight and alkanecarbonyl halide in a hydrocarbon as solvent and in the presence of a catalyst in the form of a basic nitrogen-containing compound.
    Type: Grant
    Filed: August 1, 2002
    Date of Patent: October 28, 2003
    Assignee: Clariant GmbH
    Inventors: Gerd Reinhardt, Peter Naumann, Miriam Ladwig, Ina Golla, Torsten Pilz, Reto Wieduwilt, Henri Jourdan
  • Process for the preparation of acyloxybenzenesulfonates
    Publication number: 20030064906
    Abstract: Process for the preparation of acyloxybenzenesulfonates by reaction of phenolsulfonate with a water content of less than 0.5% by weight and alkanecarbonyl halide in a hydrocarbon as solvent and in the presence of a catalyst in the form of a basic nitrogen-containing compound.
    Type: Application
    Filed: August 1, 2002
    Publication date: April 3, 2003
    Applicant: Clariant GmbH
    Inventors: Gerd Reinhardt, Peter Naumann, Miriam Ladwig, Ina Golla, Torsten Pilz, Retio Wieduwilt, Henri Jourdan
  • Process for the preparation of bleach activator granules
    Publication number: 20030045445
    Abstract: Process for the preparation of bleach activator granules, which comprises extruding a mixture comprising bleach activator, anionic or nonionic surfactant and polyalkylene glycol at temperatures of from 40 to 120° C. and a pressure of from 5 to 30 bar, and granulating the resultant extrudates at a temperature of from 40 to 120° C. on a spheronizer.
    Type: Application
    Filed: July 23, 2002
    Publication date: March 6, 2003
    Applicant: Clariant GmbH
    Inventors: Georg Borchers, Torsten Pilz
  • Process for the preparation of bleach activator granules
    Publication number: 20030040452
    Abstract: Process for the preparation of bleach activator granules, which comprises extruding a mixture comprising bleach activator, anionic or nonionic surfactant and polyalkylene glycol at temperatures of from 60 to 80° C. and a pressure of from 10 to 30 bar, and granulating the resultant extrudates at a temperature of from 60 to 80° C. on a spheronizer.
    Type: Application
    Filed: July 12, 2002
    Publication date: February 27, 2003
    Applicant: Clariant GmbH
    Inventors: Georg Borchers, Torsten Pilz