Frost-preventive composition
US7744686B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Mar 28, 2006 |
| Grant date | Jun 29, 2010 |
| Priority date | — |
| Expiry date | Jun 21, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K3/18
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention provides a frost-preventive composition which strongly defrosts and melts ice and which prevents frosting for a long period of time and which does not run or sag when applied to a wall surface or the like.The frost-preventive greasy composition of the invention contains (a) at least one species selected from among glycols, glycol ethers, polyalkylene glycols, polyalkylene glycol derivatives, glycerin, and glycerin derivatives, (b) at least one species selected from among soaps, urea compounds, silica gel microparticles, lecithin, and polysaccharides, (c) at least one metal salt selected from among carboxylic acid metal salts, nitric acid metal salts, phosphoric acid metal salts, metal chlorides, and metal bromides, and (d) at least one species selected from among sorbitan fatty acid esters, polyoxyalkylene sorbitan fatty acid esters, polyoxyalkylene alkyl ethers, castor oil, hydrogenated castor oil, polyoxyalkylene castor oils, and polyoxyalkylene hydrogenated castor oils, in specified proportions, respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.