Rust preventive oil is a nonstaining, water displacing, thin film rust preventative, which can be used on a variety of metals. It is designed to provide indoor rust inhibition. It provides excellent protection for bearings and other precision parts, in-process parts in storage, as well as parts in transit.

Rust remover is a chemical substance that is used to remove rust stains, which generally contain oxalic acid. Inside pipes, it removes rust stains, which creates rusty water stains wherever water flows.

Ruthenium complexes are well investigated as molecular catalysts in synthetic chemistry to clarify their great potential for a wide range of organic reactions, such as reduction, oxidation, and carbon-carbon bond formations. As their reactivities in various catalysis strongly depend on their auxiliaries, for example, phosphines, nitrogen ligands, carbonyl, or halogens, design and selection of the auxiliaries suitable for an objective reaction become very important for the discovery of a new catalyst. It is the catalysts for the cyclopropanation of olefins with diazoesters.