Surface reforming agent, surface reforming method and cone-type calix 4! r e
US5688998A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 10, 1995 |
| Grant date | Nov 18, 1997 |
| Priority date | — |
| Expiry date | Mar 10, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/0833
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The disclosure describes a surface reforming agent comprising a cone-type calix 4! resorcinarene compound represented by the formula (I): ##STR1## wherein R is an alkyl group having 3 to 18 carbon atoms, an alkenyl group having 3 to 18 carbon atoms, an aralkyl group having 3 to 18 carbon atoms or a substituted or non-substituted aryl group; R.sup.1 is a hydrogen atom, a carboxyalkyl group in which the alkyl group has 1 to 3 carbon atoms, or a hydroxyalkyl group having 2 to 4 carbon atoms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.