Patents by Inventor Ralf Wiedemann

Ralf Wiedemann 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).

  • Publication number: 20090018043
    Abstract: A process for making a tablet having at least three layers, the process comprises: a) addition of a first composition into a mould of a tabletting press; b) addition of a second composition into the mould of the tabletting press; c) compression of the first two compositions with a piston, said piston having a projection on its compressing surface; d) addition of a third composition into the mould of the tabletting press; e) compression of the third composition with the piston, and f) optionally adding a further composition into the recess of the tablet.
    Type: Application
    Filed: October 24, 2005
    Publication date: January 15, 2009
    Inventors: Petra Beckers, Reinhard Steiger, Ralf Wiedemann
  • Publication number: 20090018042
    Abstract: A process for the manufacture of a detergent tablet comprises filling a recess in a first pre-formed body with a gel; adding a second body to the gel; and allowing/causing the gel to solidify.
    Type: Application
    Filed: June 20, 2005
    Publication date: January 15, 2009
    Applicant: RECKITT BENCKISER N.V.
    Inventor: Ralf Wiedemann
  • Patent number: 7472710
    Abstract: The present invention is directed to a device for receiving and holding a plurality of unit doses of a detergent composition and/or additive and for individually dispensing said unit doses into an automatic dishwashing machine over a plurality of washing cycles, wherein the device comprises (i) a housing adapted to receive said plurality of unit doses each separately contained in a package or compartment thereof, (ii) means for opening said package or compartment or for at least partly ejecting said unit dose therefrom; and (iii) means to allow access of water or wash liquor to said unit doses contained in the opened package or compartment or ejected therefrom within a controlled time period after opening thereof to allow dissolution of the unit dose into the water or wash liquor of the machine, as well as to a blister pack for use therewith.
    Type: Grant
    Filed: March 5, 2003
    Date of Patent: January 6, 2009
    Assignee: Reckitt Benckiser N.V.
    Inventors: Louise Jowett, Judith Preuschen, Shaun Rymer, Phil Shearsmith, Ralf Wiedemann
  • Publication number: 20080314911
    Abstract: A method of injection moulding an article from a water-soluble polymer, said method comprising: providing a mould comprising a male portion and a female portion defining a mould cavity, said portions being movable relative to one another to vary the volume of the mould cavity, injecting molten water-soluble polymer into the mould when the male portion and female portion are in a first position, and initiating relative movement of the male portion and female portion to reduce the volume of the mould cavity so as to force the molten water-soluble polymer already in the mould cavity into at least part of the remainder of the mould.
    Type: Application
    Filed: November 15, 2006
    Publication date: December 25, 2008
    Applicant: RECKITT BENCKISER (UK) LIMITED
    Inventors: Paul John Duffield, Geoffrey Robert Hammond, Ralf Wiedemann
  • Publication number: 20080293608
    Abstract: A filter cleaning composition for use between dishwashing operations in a dishwasher, the composition comprising at least one non-starch carbohydrase, for example a cellulase. A method of using said composition is also disclosed.
    Type: Application
    Filed: December 7, 2006
    Publication date: November 27, 2008
    Applicant: Reckitt Benckiser N.V.
    Inventors: Sebastian Drossmann, Judith Preuschen, Ralf Wiedemann
  • Publication number: 20080261849
    Abstract: A dishwasher detergent composition, preferably pH neutral, and comprising a strong biodegradable builder and optionally a bleach, and optionally a sulfonated polymer.
    Type: Application
    Filed: November 7, 2006
    Publication date: October 23, 2008
    Applicant: RECKITT BENCKISER N.V.
    Inventors: Judith Preuschen, Ralf Wiedemann
  • Patent number: 7407923
    Abstract: A packaged detergent composition comprising a container that at least partly disintegrates in an aqueous environment, the container having at least one compartment, the detergent composition having at least one fluid phase and at least one solid substantially insoluble in the fluid phase and having a size sufficient to be retained by a 2.5 mm mesh wherein the movement of the at least one solid within the container is restricted, as well as its use in an automatic dishwashing or laundry washing machine.
    Type: Grant
    Filed: January 13, 2003
    Date of Patent: August 5, 2008
    Assignee: Reckitt Bencklser N.V.
    Inventors: Ralf Wiedemann, Enric Carbonell, Marcus Guzmann
  • Patent number: 7407925
    Abstract: A packaged detergent composition and/or additive comprises at least one oxygen releasing compound for use with a device for dispensing and/or dosing the detergent composition and/or additive into an automatic dishwashing machine over a plurality of washing cycles, wherein the package is made of a material with an oxygen transfer rate of more than 10 cm3/m2/bar/24 h, preferably more than 50 cm3/m2/bar/24 h, and most preferably more than 100 cm3/m2/bar/24 h, measured at 23° C. and 0% Equilibrium Relative Humidity. A method of packaging the detergent composition and/or additive is also described.
    Type: Grant
    Filed: March 5, 2003
    Date of Patent: August 5, 2008
    Assignee: Reckitt Benckiser N.V.
    Inventors: Natascha Daschner, Judith Preuschen, Ralf Wiedemann
  • Publication number: 20080161218
    Abstract: A composition comprising phthalimidoperhexanoic acid (PAP) is provided. The PAP has a particle size of 0.01 to 100 ?m and a particle size distribution with x(50) of less than 10 ?m. Preferably the composition is a detergent composition.
    Type: Application
    Filed: May 9, 2006
    Publication date: July 3, 2008
    Applicant: Reckitt Benckiser N.V.
    Inventors: Daniele Fregonese, Chris Efstathios Housmekerides, Pavlinka Roy, Ralf Wiedemann
  • Publication number: 20070267316
    Abstract: A process for preparing a water-soluble container comprising at least two compartments which comprises: a. forming a first pocket in a first water-soluble film by thermoforming or vacuum forming the first water-soluble film in a mould; b. filling the first pocket with a first composition; c. closing the first pocket with a second water-soluble film to produce an intermediate container; d. moving the intermediate container by deforming the mould to provide a second pocket; e. filling the second pocket with a second composition; and f. closing the second pocket with a third water-soluble film.
    Type: Application
    Filed: June 20, 2005
    Publication date: November 22, 2007
    Applicant: RECKITT BENCKISER N.V.
    Inventors: Francesc Ayats, Frederic Moreux, Jordi Salvador, Ralf Wiedemann
  • Patent number: 7271141
    Abstract: An aqueous liquid composition having a water content of between 20 and 50 wt. %, comprising at least one polyphosphate builder material, potassium ions and sodium ions, wherein the molar ratio of potassium to sodium is between 0.55:1 and 20:1.
    Type: Grant
    Filed: August 23, 2001
    Date of Patent: September 18, 2007
    Assignee: Reckitt Benckiser N.V. & Reckitt Benckiser (UK) Limited
    Inventors: Roger Kaiser, Ralf Wiedemann, Marcus Guzmann
  • Publication number: 20070213246
    Abstract: Use of a film forming material comprising an ethoxylated poly(vinylalcohol) for the manufacturing of water-soluble packaging for a detergent composition or related material.
    Type: Application
    Filed: December 26, 2006
    Publication date: September 13, 2007
    Applicant: Reckitt Benckiser N.V.
    Inventors: Ralf Wiedemann, Marcus Guzmann, Roger Kaiser
  • Publication number: 20070157572
    Abstract: A process for the manufacture of single or multi-compartment rigid, water-soluble container, containing a detergent composition wherein the container is at least partially made of injection moulded water soluble polymer; the process comprising the steps of forming the container, keeping the container under substantially anhydrous conditions, filling the container with the detergent composition and sealing, wherein the container is allowed to contact/brought into contact with a plasticiser after sealing.
    Type: Application
    Filed: December 16, 2004
    Publication date: July 12, 2007
    Applicant: RECKITT BENCKISER N.V.
    Inventors: Diana Oehms, Pavlinka Roy, Jordi Salvador, Ralf Wiedemann
  • Publication number: 20070135323
    Abstract: An automatic dishwasher detergent formulation comprising:—(a) a metal complex compounds of formula (1)[LnMem,Xp] zYq wherein Me is manganese, titanium, iron, cobalt, nickel or copper, X is a coordinating or bridging radical, n and m are each independently of the other an integer having a value of from 1 to 8, p is an integer having a value of from 0 to 32, z is the charge of the metal complex, Y is a counter-ion, q=z/(charge Y), and L is a ligand of formula (2); wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10 and R11 are each independently of the others hydrogen; unsubstituted or substituted C1-C18alkyl or aryl; cyano; halogen; nitro; —COOR12 or —SO3R12 wherein R12 is in each case hydrogen, a cation or unsubstituted or substituted C1-C18alkyl or aryl; SR13, —SO2R13 or ?OR13 wherein R13 is in each case hydrogen or unsubstituted or substituted C1-C18alkyl or aryl; —N(R13)—NR?13R?13 wherein R13, R?13 and R?13 are as defined above for R13; —NR14NR15 or —N?R14R15R16 wherein R14, R15 and R16 are each independently
    Type: Application
    Filed: October 28, 2003
    Publication date: June 14, 2007
    Applicant: Reckitt Benckiser N.V.
    Inventors: Ralf Wiedemann, Frank Bachmann, Joseph Dannacher, Marie-Josee Dubs, Menno Hazenkamp, Grit Richter, Gunther Schlingloff, Brigitte Schmidt, Albert Schneider, Peter Wiengartner, Torsten Wieprecht
  • Publication number: 20070095830
    Abstract: Packaging for moisture-sensitive material, in particular detergent material, comprising an outer container comprising a container body and a lid cover hingedly fixed to the container body, and an inner bag made of water-impermeable flexible sheet material for receiving the moisture-sensitive material, the mouth of the inner bag being fixed both at the lid cover and at the sidewalls of the container body in such a way that, when the lid cover is lifted, the lower part of the inner bag is significantly lifted from the bottom of the container body.
    Type: Application
    Filed: November 8, 2001
    Publication date: May 3, 2007
    Inventors: Ralf Wiedemann, Marcus Guzmann, Paul Duffield, Jacobus Van Diepen, Geoffrey Hammond
  • Patent number: D562496
    Type: Grant
    Filed: August 6, 2004
    Date of Patent: February 19, 2008
    Assignee: Reckitt Benckiser N.V.
    Inventor: Ralf Wiedemann
  • Patent number: D563598
    Type: Grant
    Filed: May 25, 2005
    Date of Patent: March 4, 2008
    Assignee: Reckitt Benckiser N.V.
    Inventor: Ralf Wiedemann
  • Patent number: D565242
    Type: Grant
    Filed: February 3, 2006
    Date of Patent: March 25, 2008
    Assignee: Reckitt Benckiser N.V.
    Inventor: Ralf Wiedemann
  • Patent number: D566894
    Type: Grant
    Filed: May 25, 2005
    Date of Patent: April 15, 2008
    Assignee: Reckitt Benckiser N.V.
    Inventor: Ralf Wiedemann
  • Patent number: D567998
    Type: Grant
    Filed: September 4, 2007
    Date of Patent: April 29, 2008
    Assignee: Reckitt Benckiser, N.V.
    Inventor: Ralf Wiedemann