A method of cleaning (e.g., selectively removing an oxide from) a surface of a substrate is disclosed. An exemplary method includes providing one or more of a haloalkylamine and a halogenated sulfur compound to a reaction chamber to selectively remove the silicon oxide from the surface.

A method of cleaning (e.g., selectively removing an oxide from) a surface of a substrate is disclosed. An exemplary method includes providing one or more of a haloalkylamine and a halogenated sulfur compound to a reaction chamber to selectively remove the silicon oxide from the surface.

A substrate or coating is provided that includes a protease with enzymatic activity toward a component of a biological stain. Also provided is a process for facilitating the removal of a biological stain is provided wherein an inventive substrate or coating including a protease is capable of enzymatically degrading of one or more components of the biological stain to facilitate biological stain removal from the substrate or said coating.

A substrate or coating is provided that includes a protease with enzymatic activity toward a component of a biological stain. Also provided is a process for facilitating the removal of a biological stain is provided wherein an inventive substrate or coating including a protease is capable of enzymatically degrading of one or more components of the biological stain to facilitate biological stain removal from the substrate or said coating.

A toilet that includes a tank configured to hold water from a water supply; a reservoir fluidly connected to the tank and configured to hold a cleaning compound comprising a chemical compound and water from the water supply; and an actuator configured to control a flush cycle of the toilet upon a first activation, the actuator including at least one nozzle fluidly connected to the reservoir and configured to discharge an amount of the cleaning compound external to the tank upon at least one of the first activation or a second activation.

A toilet that includes a tank configured to hold water from a water supply; a reservoir fluidly connected to the tank and configured to hold a cleaning compound comprising a chemical compound and water from the water supply; and an actuator configured to control a flush cycle of the toilet upon a first activation, the actuator including at least one nozzle fluidly connected to the reservoir and configured to discharge an amount of the cleaning compound external to the tank upon at least one of the first activation or a second activation.

The present invention provides cleaning solutions for removing ink, coating, varnish, adhesive, etc. residue from printing equipment. The cleaning solutions of the present invention comprise one or more solvents, preferably selected from acetoacetates, alcohols, glycol ethers, glycol esters, terpenes, and water, and are preferably free of surfactants. The cleaning solutions of the invention have a relative evaporation time (RET) of less than 60 seconds, and a ratio of the RET to the radius of the sphere of solubility of the resin in the ink to be removed of less than 6.

The present invention provides cleaning solutions for removing ink, coating, varnish, adhesive, etc. residue from printing equipment. The cleaning solutions of the present invention comprise one or more solvents, preferably selected from acetoacetates, alcohols, glycol ethers, glycol esters, terpenes, and water, and are preferably free of surfactants. The cleaning solutions of the invention have a relative evaporation time (RET) of less than 60 seconds, and a ratio of the RET to the radius of the sphere of solubility of the resin in the ink to be removed of less than 6.

The present application provides a solid metal material quickly soluble in water, comprising components of magnesium, gadolinium, yttrium, praseodymium, neodymium, platinum, hafnium, nickel, potassium, and manganese in a specific proportion. Furthermore, the solid metal material quickly soluble in water further comprises aluminum, copper, calcium, iron, zinc, and sodium. The present application also provides a preparation method for the solid metal material quickly soluble in water. The solid metal material quickly soluble in water provided by the present application is a quickly soluble magnesium alloy material capable of adapting to the waiting time requirement of the public for washing, can be hydrolyzed, and can react with water in a washing machine, and is environmentally friendly. Washing substances remaining on the clothes have no irritation to human skin contact, and the washing and discharging sewage discharged after washing has no harm to the environment.

The present application provides a solid metal material quickly soluble in water, comprising components of magnesium, gadolinium, yttrium, praseodymium, neodymium, platinum, hafnium, nickel, potassium, and manganese in a specific proportion. Furthermore, the solid metal material quickly soluble in water further comprises aluminum, copper, calcium, iron, zinc, and sodium. The present application also provides a preparation method for the solid metal material quickly soluble in water. The solid metal material quickly soluble in water provided by the present application is a quickly soluble magnesium alloy material capable of adapting to the waiting time requirement of the public for washing, can be hydrolyzed, and can react with water in a washing machine, and is environmentally friendly. Washing substances remaining on the clothes have no irritation to human skin contact, and the washing and discharging sewage discharged after washing has no harm to the environment.