| Patent Number |
Title Of Patent |
Date Issued |
| 7371272 |
Modifier for hydrophilicity, hydrophilic modification method and aluminum material or aluminum a |
May 13, 2008 |
| A modifier for hydrophilicity and a hydrophilic modification method capable of suppressing not only the odor of the resulting hydrophilic coat itself, but also the unpleasant odor emanation after exposure to odorants and retaining the hydrophilicity even during a long period of use. |
| 7029522 |
Rust prevention coating agent and method of rust-proofing |
April 18, 2006 |
| A rust prevention coating agent which can be used even in uses requiring high corrosion-resistant performance because of having corrosion resistance superior to a conventional surface treatment agent, and is excellent in the adhesion to a coating film, and a method of rust-proofing u |
| 6790900 |
Treatment agent for hydrophilicity and method for preparing thereof |
September 14, 2004 |
| A treatment agent for hydrophilicity preferable for aluminum materials used for heat exchanger parts and air filter parts of air cleaner which can maintain the deodorizing property and hydrohilicity even after a long-time use, and a method of preparing said treatment agent. A treatment a |
| 6659171 |
Hydrophilic modification method and heat exchanger treated thereby |
December 9, 2003 |
| A hydrophilic modification method comprising a step of forming a coat having a solid coat amount of 0.02 to 3 g/m.sup.2 on a heat exchanger with a modifier for hydrophilicity after treatment for rust prevention thereof wherein said modifier for hydrophilicity comprises a modified polyv |
| 6554916 |
Treatment method for making heat exchanger hydrophilic and heat exchanger treated to be hydrophi |
April 29, 2003 |
| A treatment method for hydrophilicity for a heat exchanger which can maintain the deodorizing property and hydrohilicity even after a long-time use, and a heat exchanger thus treated for hydrophilicity by said method are provided. After a previous acidic washing treatment, a heat exchang |
| 6528468 |
Pickling agent for the chemical conversion coating of heat exchanger, method of pickling heat ex |
March 4, 2003 |
| The present invention relates to a pickling agent for the chemical conversion coating of a heat exchanger which is capable of cleaning the complicated structure comprising fins and tubes of a heat exchanger in preparation for the successful formation of a chemical conversion film, a |
| 6419731 |
Nonchromate rust preventive agent for aluminum, method of rust prevention and rust-preventive al |
July 16, 2002 |
| A nonchromate rust preventive agent for aluminum which comprises a zirconium compound, a fluoride ion, a water-soluble resin and an aluminum salt. Also an aluminum product treated with the nonchromate rust preventive agent is provided. |
| 6083896 |
Aqueous cleaning solution and method for cleaning aluminum-based metals |
July 4, 2000 |
| The present invention provides an aqueous cleaning solution for aluminum-based metals which comprises an inorganic acid in an amount to provide a pH value of 2 or less, an oxidized form metal ion and a surfactant represented by the following formula (I)wherein R represents an alkyl group |
