U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Portioned detergent composition

Patent 6133214 Issued on October 17, 2000. Estimated Expiration Date: Icon_subject July 15, 2019. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

3234258

3374195

Feed unit of a detergent composition based on alkali carbonate
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Issued on: 11/18/1980
Inventor: Cornelissens

Use of crystalline layered sodium silicates for softening water and a process for softening water
Patent #: 4664839
Issued on: 05/12/1987
Inventor: Rieck

Detersive article
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Issued on: 02/21/1989
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Films easily soluble in cold water
Patent #: 5019609
Issued on: 05/28/1991
Inventor: Toyonishi, et al.

Process for the preparation of secondary alcohol sulfate-containing surfactant compositions
Patent #: 5075041
Issued on: 12/24/1991
Inventor: Lutz

Article comprising a water soluble bag containing a multiple use amount of a pelletized functional material and methods of its use
Patent #: 5234615
Issued on: 08/10/1993
Inventor: Gladfelter, et al.

Process for the hydrothermal production of crystalline sodium disilicate
Patent #: 5356607
Issued on: 10/18/1994
Inventor: Just

Process for the hydrothermal production of crystalline sodium disilicate
Patent #: 5417951
Issued on: 05/23/1995
Inventor: Just

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Inventors

Assignee

Application

No. 353666 filed on 07/15/1999

US Classes:

510/296, All or part of the unit enclosure is made of water-sensitive material (e.g., water-soluble or dispersible envelope enclosing powdered detergent, etc.)510/360, Poly(oxyalkylene) or plural carboxamido groups containing component (e.g., polyvinyl pyrrolidone, etc.)510/439, Package or dosing unit (e.g., sachet, wrapped cake soap, etc.)510/444, Agglomerated product or component, or process of preparing510/473, Cellulose510/474, Starch510/475Synthetic polymer or natural rubber (other than polyether, such as polyethylene glycol, alkylene oxide condensation products, etc.)

Examiners

Primary: Douyon, Lorna M.

Attorney, Agent or Firm

Foreign Patent References

  • 0 143 476 EP. 06/20/1985
  • 0 158 464 EP. 10/20/1985
  • 0 385 529 EP. 09/20/1990
  • 11 30 547 DE. 05/20/1962
  • 38 16 842 DE. 11/20/1989
  • 44 00 024 DE. 07/20/1995
  • 58 217598 JP. 12/20/1983
  • 05214398 JP. 08/20/1993
  • 0 164 514 WO. 12/20/1985
  • WO90/13533 WO. 11/20/1990
  • WO91/08171 WO. 06/20/1991
  • WO95/07331 WO. 03/20/1995

International Classes

C11D 017/06
C11D 017/04
C11D 011/00

Foreign Application Priority Data

1998-07-15 DE

Abstract

A portioned detergent composition in a bag of water-soluble film in which at least 70% by weight of the particles of the detergent composition have particle sizes above 800 μm. The choice of this particular particle size range eliminates otherwise typical production-related problems arising out of the permeability of the bag seams and resulting difficulties.

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