Phosphate-free dishwasher detergent

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4820440
SERIAL NO

07125724

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A detergent composition for dishwashers comprising anhydrous alkali carbonate, alkali metasilicate, and other, optional, ingredients, wherein the alkalis contain at least two different cations and phosphates are not present.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
HENKEL KGAADUESSELDORF257

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hemm, Dieter Hilden, DE 7 178
Schindler, Norbert Langenfeld, DE 2 51

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Lever Brothers Company, Division of Conopco, Inc. (1)
* 4457322 Alkaline cleaning compositions non-corrosive toward aluminum surfaces 40 1983
* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
SHAKLEE CORPORATION (1)
* 5256327 Method of preparing a sequestering agent for a non-phosphate cleaning composition 18 1992
 
CHURCH & DWIGHT CO., INC. (12)
* 5264046 Aqueous electronic circuit assembly cleaner and cleaning method 18 1992
* 5264047 Low foaming effective hydrotrope 18 1992
* 5261967 Powdered electric circuit assembly cleaner 9 1992
* 5234505 Stabilization of silicate solutions 17 1992
* 5234506 Aqueous electronic circuit assembly cleaner and method 31 1992
* 5397495 Stabilization of silicate solutions 7 1993
* 5393448 Aqueous electronic circuit assembly cleaner and method 8 1993
* 5433885 Stabilization of silicate solutions 16 1993
* RE35115 Low foaming effective hydrotrope 7 1994
* RE35045 Method for removing soldering flux with alkaline metal carbonate salts and an alkali metal silicate 7 1994
* RE35017 Method for removing soldering flux with alkaline salts, an alkali metal silicate and anionic polymer 7 1994
* 5549761 Method for removing rosin soldering flux from a printed wiring board 12 1995
 
COLGATE-PALMOLIVE COMPANY (1)
* 5618465 Nonaqueous liquid automatic dishwashing composition containing enzymes 3 1994
 
Barris; Charles B. (1)
* 5431847 Aqueous cleaning concentrates 33 1993
 
MICRO PURE SOLUTIONS, LLC DBA TIONICON (1)
* 2010/0056,404 METHOD FOR TREATING HYDROGEN SULFIDE-CONTAINING FLUIDS 9 2009
 
Charvid Limited Liability (1)
* 5898024 Non-caustic cleaning composition comprising peroxygen compound and specific silicate, and method of making the same in free-flowing, particulate form 3 1997
 
ECOLAB USA INC. (4)
* 9222176 Alkaline cleaner for cleaning aluminum surfaces 0 2005
8951956 Solid tablet unit dose oven cleaner 0 2013
9090857 Solidification matrices using phosphonocarboxylic acid copolymers and phosphonopolyacrylic acid homopolymers 0 2014
9650592 Use of amino carboxylate for enhancing metal protection in alkaline detergents 0 2015
 
ECOLAB INC. (17)
* 6489278 Combination of a nonionic silicone surfactant and a nonionic surfactant in a solid block detergent 10 1997
* 5876514 Warewashing system containing nonionic surfactant that performs both a cleaning and sheeting function and a method of warewashing 53 1997
* 6164296 Method of removing waxy/fatty soils from ware with a combination of a nonionic silicone surfactant and a nonionic surfactant 25 1999
6369021 Detergent composition and method for removing soil 22 1999
6664219 Combination of a nonionic silicone surfactant and a nonionic surfactant in a solid block detergent 7 2000
* RE38262 Warewashing system containing nonionic surfactant that performs both a cleaning and sheeting function and a method of warewashing 17 2001
6525015 Detergent composition and method for removing soil 7 2002
6649586 Detergent composition and method for removing soil 1 2003
6767884 Combination of a nonionic silicone surfactant and a nonionic surfactant in a solid block detergent 4 2003
6812202 Detergent composition and method for removing soil 10 2003
* 2004/0077,516 Detergent composition and method for removing soil 5 2003
6956019 Combination of a nonionic silicone surfactant and a nonionic surfactant in a solid block detergent 24 2004
* 2004/0254,090 Combination of a nonionic silicone surfactant and a nonionic surfactant in a solid block detergent 3 2004
* 2008/0234,164 Alkaline Cleaner For Cleaning Aluminum Surfaces 12 2005
7199095 Combination of a nonionic silicone surfactant and a nonionic surfactant in a solid block detergent 1 2005
* 2006/0040,841 Combination of a nonionic silicone surfactant and a nonionic surfactant in a solid block detergent 0 2005
* 2006/0234,900 Composition and process for preparing a phosphonate and phosphate-free automatic dishwashing powder 15 2006
 
The Procter & Gamble Company (4)
* 5292446 Nonphosphated automatic dishwashing compositions with oxygen bleach systems and process for their preparation 34 1992
* 5646101 Machine dishwashing detergents containing an oxygen bleach and an anti-tarnishing mixture of a paraffin oil and sequestrant 29 1995
* 5824630 Machine dishwashing composition containing oxygen bleach and paraffin oil and nitrogen compound silver tarnishing inhibitors 4 1996
* 5776874 Anti-tarnishing machine dishwashing detergent compositions containing a paraffin oil 8 1996
 
EKA NOBEL AB (1)
* 5395543 Freeflowing alkaline detergent, and agents for the preparation thereof 6 1994
 
CHARVID LIMITED LIABILITY COMPANY (6)
* 5663132 Non-caustic composition comprising peroxygen compound and metasilicate and cleaning methods for using same 12 1995
* 5789361 Non-caustic cleaning composition comprising peroxygen compound and specific silicate, and method of making same in free-flowing, particulate form 9 1996
* 5863345 Methods for removing foreign deposits from hard surfaces using non-caustic cleaning composition comprising peroxygen compound and specific silicate 7 1997
* 6043207 Non-caustic cleaning composition comprising peroxygen compound, meta/sesqui-silicate, chelate and method of making same in free-flowing, particulate form 2 1998
* 6034048 Non-caustic cleaning composition using an alkali salt 2 1998
6194367 Non-caustic cleaning composition comprising peroxygen compound and specific silicate and method of making the same in free-flowing, particulate form 4 1999
* Cited By Examiner