By the inclusion of an effective level of a layered clay, e.g. a synthetic hectorite, in an enzymatic dishwashing composition, the formation of spots and films on the cleaned objects is significantly reduced.

There is disclosed stable aqueous slurry automatic dishwasher detergent compositions comprising a chlorine bleaching agent and a dual function bleach stabilizer and anticorrosion agent comprising sulfamic acid, or its water soluble salts. Such formulations containing a molar ratio of at least about 0.5:1 sulfamic acid/bleaching agent provides protection against corrosion of silver metal and stabilizes bleach in the detergent composition.

A loading station, a washing station and an unloading station for dishes are arranged generally in line with a basin under each station. Stationary racks composed of parallel rods at each station can support dishes, and dishes can be moved from the loading station to the washing station and from the washing station to the unloading station by two movable racks having parallel rods interdigitated with the stationary parallel rods which can be translated lengthwise of such rods. The movable racks ...

A dishwasher arrangement in which food particles separated from the articles being washed are separated from the water being circulated to effect the washing by momentarily stopping the circulation of the water in the washing chamber to permit the level of water in the sump to rise sufficiently to sweep the food particles out of an opening provided in a washing chamber wall.

A dishwashing apparatus is disclosed comprising an air pressure system maintaining constant pressure on liquid treating agents in a plurality of storage tanks, a dishwashing compartment and an electrically operated system to control the flow of the liquid treating agents into the dishwashing compartment.

A dishwashing machine is provided which comprises: a housing having a first washing compartment and a second washing compartment spatially separated from each other by a partition wall; first spray means for spraying the washing water onto the dishes within the first compartment; second spray means for spraying the washing water onto the dishes within the second compartment, the first and the second spray means operable independently of one another to permit selective washing of the dishes accom...

A dishwashing machine the washing tub of which is opened at the top and is provided at its bottom portion with lower nozzle arms 51, 52. An upper opening of the washing tub is closed or opened by a door 20 which is provided with a top plate 21 of semi-circular cross-section and rotatable in its semi-circular direction along a pair of side walls of the washing tub. An upper nozzle arm is provided inside of the top plate at the central portion thereof. A water supply passage is provided along an i...

A new dishwashing aid for providing a person a more comfortable and easier way of washing dishes. The inventive device includes a chest plate dimensioned for covering a chest of a user. The chest plate is supported on a counter area of a sink. A hip plate is provided that is dimensioned for covering a pelvic region of the user. The hip plate is adjustably coupled with respect to the chest plate.

A dishwashing composition for removing protein soils is described. The dishwashing composition has a serine protease and a metallo-protease and displays protein soil removal when applied to soiled utensils in domestic, industrial and hand dishwashing cleaning applications.

There is provided the use of a cellulose ether material to inhibit the transfer of a colored food soil from an aqueous wash solution to a substrate in a dishwashing method.